MASS GENERAL BRIGHAM INCORPORATED: Form 990, tax year 2022

View the entire original 990 at ProPublica ↗

Organization: MASS GENERAL BRIGHAM INCORPORATED (EIN 04-3230035)
Tax period: 2022-10-01 to 2023-09-30
Filed: 2024-08-13
IRS object ID: 202442269349300854
Schema version: 2022v5.0
Source: Download XML · Original 990 at ProPublica

Every field in the e-filed return. Faint text is the IRS element name, for citing.

Return header
Form 990
Schedule A
Schedule B
Schedule C
Schedule D
Schedule F
Schedule I
Schedule J
Schedule K
Schedule K
Schedule K
Schedule L
Schedule O
Schedule R

Return header ReturnHeader

Field	Value	IRS element (for citing)
Return	2024-08-13T08:01:01-05:00	ReturnTs
Tax Period End	2023-09-30	TaxPeriodEndDt
Return Type	990	ReturnTypeCd
Tax Period Begin	2022-10-01	TaxPeriodBeginDt

Filer Filer

Field	Value	IRS element (for citing)
EIN	043230035	EIN

Business Name BusinessName

Field	Value	IRS element (for citing)
Business Name Line1	MASS GENERAL BRIGHAM INCORPORATED	BusinessNameLine1Txt

Field	Value	IRS element (for citing)
Business Name Control	MASS	BusinessNameControlTxt
Phone	8572820747	PhoneNum

US Address USAddress

Field	Value	IRS element (for citing)
Address Line1	399 REVOLUTION DRIVE 645	AddressLine1Txt
City	SOMERVILLE	CityNm
State Abbreviation	MA	StateAbbreviationCd
ZIP	02145	ZIPCd

Business Officer BusinessOfficerGrp

Field	Value	IRS element (for citing)
Person	NIYUM GANDHI	PersonNm
Person Title	CFO & TREASURER	PersonTitleTxt
Phone	8572820747	PhoneNum
Signature	2024-08-13	SignatureDt

Field	Value	IRS element (for citing)
IRS Responsible Prty Info Curr	Yes (1)	IRSResponsiblePrtyInfoCurrInd
Tax	2022	TaxYr
Build TS	2024-08-08 14:25:15Z	BuildTS

Form 990 IRS990

Field	Value	IRS element (for citing)
Principal Officer	ANNE KLIBANSKI MD	PrincipalOfficerNm

US Address USAddress

Field	Value	IRS element (for citing)
Address Line1	800 BOYLSTON STREET	AddressLine1Txt
City	BOSTON	CityNm
State Abbreviation	MA	StateAbbreviationCd
ZIP	02199	ZIPCd

Field	Value	IRS element (for citing)
Gross Receipts	$2,053,039,249	GrossReceiptsAmt
Group Return For Affiliates	0	GroupReturnForAffiliatesInd
Organization501c3	Yes (X)	Organization501c3Ind
Website Address	HTTPS://WWW.MASSGENERALBRIGHAM.ORG/	WebsiteAddressTxt
Type Of Organization Corp	Yes (X)	TypeOfOrganizationCorpInd
Formation	1993	FormationYr
Legal Domicile State	MA	LegalDomicileStateCd
Activity Or Mission	PATIENT CARE, TEACHING, RESEARCH AND SERVING THE COMMUNITY.	ActivityOrMissionDesc
Voting Members Governing Body	23	VotingMembersGoverningBodyCnt
Voting Members Independent	14	VotingMembersIndependentCnt
Total Employee	8968	TotalEmployeeCnt
Total Volunteers	21	TotalVolunteersCnt
Total Gross UBI	$11,709,672	TotalGrossUBIAmt
Net Unrelated Bus Txbl Incm	$944,808	NetUnrelatedBusTxblIncmAmt
PY Contributions Grants	$494,355,285	PYContributionsGrantsAmt
CY Contributions Grants	$564,469,432	CYContributionsGrantsAmt
PY Program Service Revenue	$1,203,086,883	PYProgramServiceRevenueAmt
CY Program Service Revenue	$1,302,825,972	CYProgramServiceRevenueAmt
PY Investment Income	$397,305,135	PYInvestmentIncomeAmt
CY Investment Income	$184,504,388	CYInvestmentIncomeAmt
PY Other Revenue	$2,773,505	PYOtherRevenueAmt
CY Other Revenue	$1,239,457	CYOtherRevenueAmt
PY Total Revenue	$2,097,520,808	PYTotalRevenueAmt
CY Total Revenue	$2,053,039,249	CYTotalRevenueAmt
PY Grants And Similar Paid	$99,345,063	PYGrantsAndSimilarPaidAmt
CY Grants And Similar Paid	$160,962,367	CYGrantsAndSimilarPaidAmt
PY Benefits Paid To Members	$0	PYBenefitsPaidToMembersAmt
CY Benefits Paid To Members	$0	CYBenefitsPaidToMembersAmt
PY Salaries Comp Emp Bnft Paid	$1,074,996,385	PYSalariesCompEmpBnftPaidAmt
CY Salaries Comp Emp Bnft Paid	$989,997,574	CYSalariesCompEmpBnftPaidAmt
PY Total Prof Fndrsng Expns	$0	PYTotalProfFndrsngExpnsAmt
CY Total Prof Fndrsng Expns	$0	CYTotalProfFndrsngExpnsAmt
CY Total Fundraising Expense	$0	CYTotalFundraisingExpenseAmt
PY Other Expenses	$946,579,003	PYOtherExpensesAmt
CY Other Expenses	$995,549,146	CYOtherExpensesAmt
PY Total Expenses	$2,120,920,451	PYTotalExpensesAmt
CY Total Expenses	$2,146,509,087	CYTotalExpensesAmt
PY Revenues Less Expenses	-$23,399,643	PYRevenuesLessExpensesAmt
CY Revenues Less Expenses	-$93,469,838	CYRevenuesLessExpensesAmt
Total Assets BOY	$8,691,364,928	TotalAssetsBOYAmt
Total Assets EOY	$9,377,106,791	TotalAssetsEOYAmt
Total Liabilities BOY	$7,809,927,895	TotalLiabilitiesBOYAmt
Total Liabilities EOY	$7,751,332,198	TotalLiabilitiesEOYAmt
Net Assets Or Fund Balances BOY	$881,437,033	NetAssetsOrFundBalancesBOYAmt
Net Assets Or Fund Balances EOY	$1,625,774,593	NetAssetsOrFundBalancesEOYAmt
Info In Schedule O Part III	Yes (X)	InfoInScheduleOPartIIIInd
Mission	SEE SCHEDULE O	MissionDesc
Significant New Program Srvc	0	SignificantNewProgramSrvcInd
Significant Change	0	SignificantChangeInd
Expense	$381,276,247	ExpenseAmt
Grant	$160,962,367	GrantAmt
Revenue	$1,297,580,400	RevenueAmt
Desc	SEE SCHEDULE O	Desc
Total Program Service Expenses	$381,276,247	TotalProgramServiceExpensesAmt
Described In Section501c3	Yes (1)	DescribedInSection501c3Ind
Schedule B Required	Yes (1)	ScheduleBRequiredInd
Political Campaign Acty	0	PoliticalCampaignActyInd
Lobbying Activities	Yes (1)	LobbyingActivitiesInd
Subject To Proxy Tax	0	SubjectToProxyTaxInd
Donor Advised Fund	0	DonorAdvisedFundInd
Conservation Easements	0	ConservationEasementsInd
Collections Of Art	0	CollectionsOfArtInd
Credit Counseling	0	CreditCounselingInd
Donor Rstr Or Quasi Endowments	Yes (1)	DonorRstrOrQuasiEndowmentsInd
Report Land Building Equipment	Yes (1)	ReportLandBuildingEquipmentInd
Report Investments Other Sec	Yes (1)	ReportInvestmentsOtherSecInd
Report Program Related Invst	0	ReportProgramRelatedInvstInd
Report Other Assets	Yes (1)	ReportOtherAssetsInd
Report Other Liabilities	Yes (1)	ReportOtherLiabilitiesInd
Include FIN48 Footnote	0	IncludeFIN48FootnoteInd
Independent Audit Fincl Stmt	0	IndependentAuditFinclStmtInd
Consolidated Audit Fincl Stmt	Yes (1)	ConsolidatedAuditFinclStmtInd
School Operating	0	SchoolOperatingInd
Foreign Office	Yes (1)	ForeignOfficeInd
Foreign Activities	Yes (1)	ForeignActivitiesInd
More Than5000 K To Org	Yes (1)	MoreThan5000KToOrgInd
More Than5000 K To Individuals	0	MoreThan5000KToIndividualsInd
Professional Fundraising	0	ProfessionalFundraisingInd
Fundraising Activities	0	FundraisingActivitiesInd
Gaming Activities	0	GamingActivitiesInd
Operate Hospital	0	OperateHospitalInd
Grants To Organizations	Yes (1)	GrantsToOrganizationsInd
Grants To Individuals	0	GrantsToIndividualsInd
Schedule J Required	Yes (1)	ScheduleJRequiredInd
Tax Exempt Bonds	Yes (1)	TaxExemptBondsInd
Invest Tax Exempt Bonds	0	InvestTaxExemptBondsInd
Escrow Account	0	EscrowAccountInd
On Behalf Of Issuer	0	OnBehalfOfIssuerInd
Engaged In Excess Benefit Trans	0	EngagedInExcessBenefitTransInd
PY Excess Benefit Trans	0	PYExcessBenefitTransInd
Loan Outstanding	0	LoanOutstandingInd
Grant To Related Person	0	GrantToRelatedPersonInd
Business Rln With Org Mem	Yes (1)	BusinessRlnWithOrgMemInd
Business Rln With Fam Mem	Yes (1)	BusinessRlnWithFamMemInd
Business Rln With35 Ctrl Ent	Yes (1)	BusinessRlnWith35CtrlEntInd
Deductible Non Cash Contri	0	DeductibleNonCashContriInd
Deductible Art Contribution	0	DeductibleArtContributionInd
Terminate Operations	0	TerminateOperationsInd
Partial Liquidation	0	PartialLiquidationInd
Disregarded Entity	Yes (1)	DisregardedEntityInd
Related Entity	Yes (1)	RelatedEntityInd
Related Organization Ctrl Ent	Yes (1)	RelatedOrganizationCtrlEntInd
Transaction With Control Ent	Yes (1)	TransactionWithControlEntInd
Trnsfr Exmpt Non Chrtbl Rltd Org	0	TrnsfrExmptNonChrtblRltdOrgInd
Activities Conducted Prtshp	0	ActivitiesConductedPrtshpInd
Schedule O Required	Yes (1)	ScheduleORequiredInd
IRP Document	6453	IRPDocumentCnt
IRP Document W2 G	0	IRPDocumentW2GCnt
Backup Wthld Compliance	Yes (1)	BackupWthldComplianceInd
Employee	8968	EmployeeCnt
Employment Tax Returns Filed	Yes (1)	EmploymentTaxReturnsFiledInd
Unrelated Bus Incm Over Limit	Yes (1)	UnrelatedBusIncmOverLimitInd
Form990 T Filed	Yes (1)	Form990TFiledInd
Foreign Financial Account	0	ForeignFinancialAccountInd
Prohibited Tax Shelter Trans	0	ProhibitedTaxShelterTransInd
Taxable Party Notification	0	TaxablePartyNotificationInd
Nondeductible Contributions	0	NondeductibleContributionsInd
Quid Pro Quo Contributions	Yes (1)	QuidProQuoContributionsInd
Quid Pro Quo Contri Discl	Yes (1)	QuidProQuoContriDisclInd
Form8282 Property Disposed Of	0	Form8282PropertyDisposedOfInd
Indoor Tanning Services	0	IndoorTanningServicesInd
Subj To Tax Rmnrtn Ex Prcht Pymt	Yes (1)	SubjToTaxRmnrtnExPrchtPymtInd
Subject To Excs Tax Net Invst Inc	0	SubjectToExcsTaxNetInvstIncInd
Info In Schedule O Part VI	Yes (X)	InfoInScheduleOPartVIInd
Governing Body Voting Members	23	GoverningBodyVotingMembersCnt
Independent Voting Member	14	IndependentVotingMemberCnt
Family Or Business Rln	Yes (1)	FamilyOrBusinessRlnInd
Delegation Of Mgmt Duties	0	DelegationOfMgmtDutiesInd
Change To Org Documents	0	ChangeToOrgDocumentsInd
Material Diversion Or Misuse	0	MaterialDiversionOrMisuseInd
Members Or Stockholders	Yes (1)	MembersOrStockholdersInd
Election Of Board Members	Yes (1)	ElectionOfBoardMembersInd
Decisions Subject To Approva	Yes (1)	DecisionsSubjectToApprovaInd
Minutes Of Governing Body	Yes (1)	MinutesOfGoverningBodyInd
Minutes Of Committees	Yes (1)	MinutesOfCommitteesInd
Officer Mailing Address	0	OfficerMailingAddressInd
Local Chapters	Yes (1)	LocalChaptersInd
Policies Reference Chapters	Yes (1)	PoliciesReferenceChaptersInd
Form990 Provided To Gvrn Body	Yes (1)	Form990ProvidedToGvrnBodyInd
Conflict Of Interest Policy	Yes (1)	ConflictOfInterestPolicyInd
Annual Disclosure Covered Prsn	Yes (1)	AnnualDisclosureCoveredPrsnInd
Regular Monitoring Enfrc	Yes (1)	RegularMonitoringEnfrcInd
Whistleblower Policy	Yes (1)	WhistleblowerPolicyInd
Document Retention Policy	Yes (1)	DocumentRetentionPolicyInd
Compensation Process CEO	Yes (1)	CompensationProcessCEOInd
Compensation Process Other	Yes (1)	CompensationProcessOtherInd
Investment In Joint Venture	Yes (1)	InvestmentInJointVentureInd
Written Policy Or Procedure	Yes (1)	WrittenPolicyOrProcedureInd
States Where Copy Of Return Is Fld	DE	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	ID	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	IN	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	MA	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	MT	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	NE	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	NH	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	NV	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	TX	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	WV	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	WY	StatesWhereCopyOfReturnIsFldCd
Upon Request	Yes (X)	UponRequestInd

Books In Care Of Detail BooksInCareOfDetail

Business Name BusinessName

Field	Value	IRS element (for citing)
Business Name Line1	MASS GENERAL BRIGHAM FINANCE - TAX DIRECTOR	BusinessNameLine1Txt

Field	Value	IRS element (for citing)
Phone	8572820747	PhoneNum

US Address USAddress

Field	Value	IRS element (for citing)
Address Line1	399 REVOLUTION DRIVE SUITE 645	AddressLine1Txt
City	SOMERVILLE	CityNm
State Abbreviation	MA	StateAbbreviationCd
ZIP	02145	ZIPCd

Form990 Part VII Section A Form990PartVIISectionAGrp (42 entries)

TitleTitleTxt	Average Hours Per WeekAverageHoursPerWeekRt	Average Hours Per Week Rltd OrgAverageHoursPerWeekRltdOrgRt	Individual Trustee Or DirectorIndividualTrusteeOrDirectorInd	OfficerOfficerInd	Reportable Comp From OrgReportableCompFromOrgAmt	Reportable Comp From Rltd OrgReportableCompFromRltdOrgAmt	Other CompensationOtherCompensationAmt	Key EmployeeKeyEmployeeInd	Highest Compensated EmployeeHighestCompensatedEmployeeInd	Former Ofcr Director TrusteeFormerOfcrDirectorTrusteeInd
ANNE KLIBANSKI MD
PRESIDENT, CEO & DIRECTOR	50.00	0.00	Yes (X)	Yes (X)	$5,942,832	$0	$59,910
YOLONDA LORIG COLSON MD PHD
DIRECTOR	1.00	50.00	Yes (X)		$0	$935,434	$62,524
ZARA R COOPER MD
DIRECTOR	1.00	50.00	Yes (X)		$0	$723,035	$62,724
ROBERT G ATCHINSON
DIRECTOR	1.00	1.00	Yes (X)		$0	$0	$0
MARC N CASPER
DIRECTOR	1.00	0.00	Yes (X)		$0	$0	$0
ANNE M FINUCANE
DIRECTOR	1.00	1.00	Yes (X)		$0	$0	$0
JOHN F FISH
DIRECTOR	1.00	1.00	Yes (X)		$0	$0	$0
BENJAMIN A GOMEZ
DIRECTOR	1.00	1.00	Yes (X)		$0	$0	$0
TIFFANY C GUEYE
DIRECTOR	1.00	0.00	Yes (X)		$0	$0	$0
SUSAN J HOCKFIELD PHD
DIRECTOR	1.00	0.00	Yes (X)		$0	$0	$0
ALBERT A HOLMAN III
DIRECTOR	1.00	1.00	Yes (X)		$0	$0	$0
DAVID W IVES
DIRECTOR	1.00	1.00	Yes (X)		$0	$0	$0
JONATHAN A KRAFT
DIRECTOR	1.00	1.00	Yes (X)		$0	$0	$0
CARL J MARTIGNETTI
DIRECTOR	1.00	1.00	Yes (X)		$0	$0	$0
NITIN NOHRIA
DIRECTOR	1.00	1.00	Yes (X)		$0	$0	$0
DIANE B PATRICK ESQ
DIRECTOR	1.00	1.00	Yes (X)		$0	$0	$0
PHILLIP TERRY RAGON
DIRECTOR	1.00	1.00	Yes (X)		$0	$0	$0
PAMELA D A REEVE
DIRECTOR UNTIL 06/30/23	1.00	1.00	Yes (X)		$0	$0	$0
PAULA NESS SPEERS
DIRECTOR	1.00	1.00	Yes (X)		$0	$0	$0
SCOTT M SPERLING
CHAIRMAN	1.00	0.00	Yes (X)		$0	$0	$0
JAMES D TAICLET
DIRECTOR	1.00	1.00	Yes (X)		$0	$0	$0
ALEXANDER L THORNDIKE
DIRECTOR	1.00	1.00	Yes (X)		$0	$0	$0
CAROL A VALLONE
DIRECTOR	1.00	1.00	Yes (X)		$0	$0	$0
ANNE M WILKINS
DIRECTOR 07/01/23	1.00	1.00	Yes (X)		$0	$0	$0
NIYUM GANDHI
CFO & TREASURER	50.00	1.00		Yes (X)	$1,746,250	$0	$40,991
LAURA PEABODY
CHIEF LEGAL OFF., SECRETARY 07/01/23	50.00	1.00		Yes (X)	$1,740,552	$0	$60,819
MAUREEN GOGGIN
SECRETARY UNTIL 06/30/23	50.00	0.00		Yes (X)	$204,547	$0	$19,632
JOHN R BARKER
CHIEF INVESTMENT OFFICER	50.00	1.00			$3,317,055	$0	$62,951	Yes (X)
RON M WALLS MD
CHIEF OPERATING OFFICER	50.00	1.00			$2,831,669	$0	$60,668	Yes (X)
GREGG S MEYER MD MSC
PRESIDENT, COMMUNITY DIVISION	50.00	1.00			$2,590,238	$0	$62,939	Yes (X)
JANE D MORAN
CHIEF INFORMATION & DIGITAL OFFICER	50.00	0.00			$1,594,233	$0	$62,541	Yes (X)
ROSEMARY R SHEEHAN
CHIEF HUMAN RESOURCES OFFICER	50.00	0.00			$1,312,935	$0	$68,971	Yes (X)
RAVI I THADHANI MD MPH
CHIEF ACADEMIC OFFICER	50.00	0.00			$1,214,982	$0	$68,905	Yes (X)
ELIZABETH L BALDWIN
PORTFOLIO MANAGER	50.00	0.00			$1,773,719	$0	$58,761		Yes (X)
KATHERINE L KAMM
PORTFOLIO MANAGER	50.00	0.00			$1,749,472	$0	$59,705		Yes (X)
O'NEIL BRITTON MD
ASSOCIATE CHIEF OPERATING OFFICER	50.00	1.00			$1,320,844	$0	$70,991		Yes (X)
THOMAS DEAN SEQUIST MD
CHIEF MEDICAL OFFICER	50.00	1.00			$1,313,218	$0	$68,490		Yes (X)
JEFF A WEISS
CHIEF STRATEGY & TRANSFORMATION OFF.	50.00	0.00			$1,264,353	$0	$54,628		Yes (X)
PETER K MARKELL
FORMER - EVP, CFO & TREASURER	0.00	0.00			$1,950,362	$0	$329			Yes (X)
KEVIN S SCHLICKE
FORMER - INTERIM TREASURER	50.00	1.00			$765,169	$0	$67,791			Yes (X)
ALISTAIR ERSKINE MD
FORMER - CHIEF DIGITAL HEALTH OFF.	50.00	0.00			$954,467	$0	$62,564			Yes (X)
JAMES W NOGA
FORMER - VP & CHIEF INFORMATION OFF.	50.00	0.00			$831,912	$0	$45,265			Yes (X)

Field	Value	IRS element (for citing)
Total Reportable Comp From Org	$34,418,809	TotalReportableCompFromOrgAmt
Tot Reportable Comp Rltd Org	$1,658,469	TotReportableCompRltdOrgAmt
Total Other Compensation	$1,182,099	TotalOtherCompensationAmt
Indiv Rcvd Greater Than100 K	2238	IndivRcvdGreaterThan100KCnt
Former Ofcr Employees Listed	Yes (1)	FormerOfcrEmployeesListedInd
Total Comp Greater Than150 K	Yes (1)	TotalCompGreaterThan150KInd
Compensation From Other Srcs	0	CompensationFromOtherSrcsInd

Contractor Compensation ContractorCompensationGrp (5 entries)

Address Line1ContractorAddress/USAddress/AddressLine1Txt	CityContractorAddress/USAddress/CityNm	State AbbreviationContractorAddress/USAddress/StateAbbreviationCd	ZIPContractorAddress/USAddress/ZIPCd	ServicesServicesDesc	CompensationCompensationAmt
BOATHOUSE GROUP INC
DEPT 160 PO BOX 4110	WOBURN	MA	018884110	MARKETING SERVICES	$30,063,826
ACCENTURE LLP
PO BOX 70629	CHICAGO	IL	606730629	CONSULTING SERVICES	$21,974,894
KPMG LLP
DEPT 0511 PO BOX 120511	DALLAS	TX	753120511	CONSULTING SERVICES	$18,563,276
SLALOM CONSULTING
PO BOX 101416	PASADENA	CA	911891416	CONSULTING SERVICES	$17,108,993
RANDSTAD HEALTHCARE
PO BOX 2084	CAROL STREAM	IL	601322084	STAFFING SERVICES	$16,073,487

Field	Value	IRS element (for citing)
Cntrct Rcvd Greater Than100 K	223	CntrctRcvdGreaterThan100KCnt
Related Organizations	$564,469,432	RelatedOrganizationsAmt
Total Contributions	$564,469,432	TotalContributionsAmt

Program Service Revenue ProgramServiceRevenueGrp

Field	Value	IRS element (for citing)
Desc	ADMINISTRATIVE FEE	Desc
Business	561000	BusinessCd
Total Revenue Column	$1,302,825,972	TotalRevenueColumnAmt
Related Or Exempt Func Income	$1,297,580,400	RelatedOrExemptFuncIncomeAmt
Unrelated Business Revenue	$5,245,572	UnrelatedBusinessRevenueAmt

Field	Value	IRS element (for citing)
Total Program Service Revenue	$1,302,825,972	TotalProgramServiceRevenueAmt

Investment Income InvestmentIncomeGrp

Field	Value	IRS element (for citing)
Total Revenue Column	$7,463,524	TotalRevenueColumnAmt
Unrelated Business Revenue	$6,467,305	UnrelatedBusinessRevenueAmt
Exclusion	$996,219	ExclusionAmt

Royalties Revenue RoyaltiesRevenueGrp

Field	Value	IRS element (for citing)
Total Revenue Column	$54,951	TotalRevenueColumnAmt
Exclusion	$54,951	ExclusionAmt

Gross Rents GrossRentsGrp

Field	Value	IRS element (for citing)
Real	$798,000	RealAmt

Less Rental Expenses LessRentalExpensesGrp

Field	Value	IRS element (for citing)
Real	$0	RealAmt

Rental Income Or Loss RentalIncomeOrLossGrp

Field	Value	IRS element (for citing)
Real	$798,000	RealAmt

Net Rental Income Or Loss NetRentalIncomeOrLossGrp

Field	Value	IRS element (for citing)
Total Revenue Column	$798,000	TotalRevenueColumnAmt
Unrelated Business Revenue	-$3,205	UnrelatedBusinessRevenueAmt
Exclusion	$801,205	ExclusionAmt

Gross Amount Sales Assets GrossAmountSalesAssetsGrp

Field	Value	IRS element (for citing)
Securities	$177,040,864	SecuritiesAmt

Less Cost Oth Basis Sales Expnss LessCostOthBasisSalesExpnssGrp

Field	Value	IRS element (for citing)
Securities	$0	SecuritiesAmt

Gain Or Loss GainOrLossGrp

Field	Value	IRS element (for citing)
Securities	$177,040,864	SecuritiesAmt

Net Gain Or Loss Investments NetGainOrLossInvestmentsGrp

Field	Value	IRS element (for citing)
Total Revenue Column	$177,040,864	TotalRevenueColumnAmt
Exclusion	$177,040,864	ExclusionAmt

Other Revenue Misc OtherRevenueMiscGrp

Field	Value	IRS element (for citing)
Desc	PARKING INCOME	Desc
Business	812930	BusinessCd
Total Revenue Column	$386,506	TotalRevenueColumnAmt
Exclusion	$386,506	ExclusionAmt

Field	Value	IRS element (for citing)
Other Revenue Total	$386,506	OtherRevenueTotalAmt

Total Revenue TotalRevenueGrp

Field	Value	IRS element (for citing)
Total Revenue Column	$2,053,039,249	TotalRevenueColumnAmt
Related Or Exempt Func Income	$1,297,580,400	RelatedOrExemptFuncIncomeAmt
Unrelated Business Revenue	$11,709,672	UnrelatedBusinessRevenueAmt
Exclusion	$179,279,745	ExclusionAmt

Grants To Domestic Orgs GrantsToDomesticOrgsGrp

Field	Value	IRS element (for citing)
Total	$160,939,602	TotalAmt
Program Services	$160,939,602	ProgramServicesAmt

Foreign Grants ForeignGrantsGrp

Field	Value	IRS element (for citing)
Total	$22,765	TotalAmt
Program Services	$22,765	ProgramServicesAmt

Comp Current Ofcr Directors CompCurrentOfcrDirectorsGrp

Field	Value	IRS element (for citing)
Total	$34,418,809	TotalAmt
Management And General	$34,418,809	ManagementAndGeneralAmt

Other Salaries And Wages OtherSalariesAndWagesGrp

Field	Value	IRS element (for citing)
Total	$604,941,694	TotalAmt
Management And General	$604,941,694	ManagementAndGeneralAmt

Pension Plan Contributions PensionPlanContributionsGrp

Field	Value	IRS element (for citing)
Total	$181,219,211	TotalAmt
Program Services	$29,253,292	ProgramServicesAmt
Management And General	$151,965,919	ManagementAndGeneralAmt

Other Employee Benefits OtherEmployeeBenefitsGrp

Field	Value	IRS element (for citing)
Total	$106,078,904	TotalAmt
Program Services	$17,123,776	ProgramServicesAmt
Management And General	$88,955,128	ManagementAndGeneralAmt

Payroll Taxes PayrollTaxesGrp

Field	Value	IRS element (for citing)
Total	$63,338,956	TotalAmt
Program Services	$10,224,484	ProgramServicesAmt
Management And General	$53,114,472	ManagementAndGeneralAmt

Fees For Services Legal FeesForServicesLegalGrp

Field	Value	IRS element (for citing)
Total	$19,613,175	TotalAmt
Program Services	$3,166,055	ProgramServicesAmt
Management And General	$16,447,120	ManagementAndGeneralAmt

Fees For Services Accounting FeesForServicesAccountingGrp

Field	Value	IRS element (for citing)
Total	$2,019,250	TotalAmt
Program Services	$325,957	ProgramServicesAmt
Management And General	$1,693,293	ManagementAndGeneralAmt

Fees For Services Lobbying FeesForServicesLobbyingGrp

Field	Value	IRS element (for citing)
Total	$1,447,191	TotalAmt
Management And General	$1,447,191	ManagementAndGeneralAmt

Fees For Services Other FeesForServicesOtherGrp

Field	Value	IRS element (for citing)
Total	$149,847,395	TotalAmt
Program Services	$24,189,100	ProgramServicesAmt
Management And General	$125,658,295	ManagementAndGeneralAmt

Advertising AdvertisingGrp

Field	Value	IRS element (for citing)
Total	$43,559,052	TotalAmt
Program Services	$7,031,515	ProgramServicesAmt
Management And General	$36,527,537	ManagementAndGeneralAmt

Office Expenses OfficeExpensesGrp

Field	Value	IRS element (for citing)
Total	$28,655,344	TotalAmt
Program Services	$4,625,686	ProgramServicesAmt
Management And General	$24,029,658	ManagementAndGeneralAmt

Information Technology InformationTechnologyGrp

Field	Value	IRS element (for citing)
Total	$179,436,503	TotalAmt
Program Services	$28,965,518	ProgramServicesAmt
Management And General	$150,470,985	ManagementAndGeneralAmt

Occupancy OccupancyGrp

Field	Value	IRS element (for citing)
Total	$19,522,233	TotalAmt
Program Services	$3,151,374	ProgramServicesAmt
Management And General	$16,370,859	ManagementAndGeneralAmt

Travel TravelGrp

Field	Value	IRS element (for citing)
Total	$1,767,293	TotalAmt
Program Services	$285,285	ProgramServicesAmt
Management And General	$1,482,008	ManagementAndGeneralAmt

Conferences Meetings ConferencesMeetingsGrp

Field	Value	IRS element (for citing)
Total	$390,718	TotalAmt
Program Services	$63,072	ProgramServicesAmt
Management And General	$327,646	ManagementAndGeneralAmt

Interest InterestGrp

Field	Value	IRS element (for citing)
Total	$228,724,494	TotalAmt
Program Services	$36,921,827	ProgramServicesAmt
Management And General	$191,802,667	ManagementAndGeneralAmt

Depreciation Depletion DepreciationDepletionGrp

Field	Value	IRS element (for citing)
Total	$74,767,689	TotalAmt
Program Services	$12,069,366	ProgramServicesAmt
Management And General	$62,698,323	ManagementAndGeneralAmt

Insurance InsuranceGrp

Field	Value	IRS element (for citing)
Total	$3,706,797	TotalAmt
Program Services	$598,369	ProgramServicesAmt
Management And General	$3,108,428	ManagementAndGeneralAmt

Other Expenses OtherExpensesGrp (4 entries)

DescDesc	TotalTotalAmt	Program ServicesProgramServicesAmt	Management And GeneralManagementAndGeneralAmt
MISCELLANEOUS EXPENSES	$153,441,046	$28,166,097	$125,274,949
UNRELATED BUSINESS TAX	$974,850		$974,850
PROGRAM SUPPORT/SUBSIDY	$85,160,250	$13,746,984	$71,413,266
MEALS	$1,545,147	$249,425	$1,295,722

All Other Expenses AllOtherExpensesGrp

Field	Value	IRS element (for citing)
Total	$970,719	TotalAmt
Program Services	$156,698	ProgramServicesAmt
Management And General	$814,021	ManagementAndGeneralAmt

Total Functional Expenses TotalFunctionalExpensesGrp

Field	Value	IRS element (for citing)
Total	$2,146,509,087	TotalAmt
Program Services	$381,276,247	ProgramServicesAmt
Management And General	$1,765,232,840	ManagementAndGeneralAmt
Fundraising	$0	FundraisingAmt

Savings And Temp Cash Invst SavingsAndTempCashInvstGrp

Field	Value	IRS element (for citing)
BOY	$90,137,477	BOYAmt
EOY	-$97,355,614	EOYAmt

Accounts Receivable AccountsReceivableGrp

Field	Value	IRS element (for citing)
BOY	$82,841,595	BOYAmt
EOY	$109,877,674	EOYAmt

Oth Notes Loans Receivable Net OthNotesLoansReceivableNetGrp

Field	Value	IRS element (for citing)
BOY	$3,495,653,254	BOYAmt
EOY	$3,578,204,345	EOYAmt

Prepaid Expenses Defrd Charges PrepaidExpensesDefrdChargesGrp

Field	Value	IRS element (for citing)
BOY	$33,270,085	BOYAmt
EOY	$43,935,647	EOYAmt

Field	Value	IRS element (for citing)
Land Bldg Equip Cost Or Other Bss	$1,076,403,683	LandBldgEquipCostOrOtherBssAmt
Land Bldg Equip Accum Deprec	$330,447,802	LandBldgEquipAccumDeprecAmt

Land Bldg Equip Basis Net LandBldgEquipBasisNetGrp

Field	Value	IRS element (for citing)
BOY	$688,062,931	BOYAmt
EOY	$745,955,881	EOYAmt

Investments Other Securities InvestmentsOtherSecuritiesGrp

Field	Value	IRS element (for citing)
BOY	$2,131,841,810	BOYAmt
EOY	$2,185,129,416	EOYAmt

Other Assets Total OtherAssetsTotalGrp

Field	Value	IRS element (for citing)
BOY	$2,169,557,776	BOYAmt
EOY	$2,811,359,442	EOYAmt

Total Assets TotalAssetsGrp

Field	Value	IRS element (for citing)
BOY	$8,691,364,928	BOYAmt
EOY	$9,377,106,791	EOYAmt

Accounts Payable Accr Expnss AccountsPayableAccrExpnssGrp

Field	Value	IRS element (for citing)
BOY	$1,533,572,973	BOYAmt
EOY	$1,671,833,566	EOYAmt

Tax Exempt Bond Liabilities TaxExemptBondLiabilitiesGrp

Field	Value	IRS element (for citing)
BOY	$4,158,531,328	BOYAmt
EOY	$3,973,326,195	EOYAmt

Other Liabilities OtherLiabilitiesGrp

Field	Value	IRS element (for citing)
BOY	$2,117,823,594	BOYAmt
EOY	$2,106,172,437	EOYAmt

Total Liabilities TotalLiabilitiesGrp

Field	Value	IRS element (for citing)
BOY	$7,809,927,895	BOYAmt
EOY	$7,751,332,198	EOYAmt

Field	Value	IRS element (for citing)
Organization Follows FASB117	Yes (X)	OrganizationFollowsFASB117Ind

No Donor Restriction Net Assets NoDonorRestrictionNetAssetsGrp

Field	Value	IRS element (for citing)
BOY	$880,137,694	BOYAmt
EOY	$1,624,414,149	EOYAmt

Donor Restriction Net Assets DonorRestrictionNetAssetsGrp

Field	Value	IRS element (for citing)
BOY	$1,299,339	BOYAmt
EOY	$1,360,444	EOYAmt

Total Net Assets Fund Balance TotalNetAssetsFundBalanceGrp

Field	Value	IRS element (for citing)
BOY	$881,437,033	BOYAmt
EOY	$1,625,774,593	EOYAmt

Tot Liab Net Assets Fund Balance TotLiabNetAssetsFundBalanceGrp

Field	Value	IRS element (for citing)
BOY	$8,691,364,928	BOYAmt
EOY	$9,377,106,791	EOYAmt

Field	Value	IRS element (for citing)
Info In Schedule O Part XI	Yes (X)	InfoInScheduleOPartXIInd
Reconcilation Revenue Expnss	-$93,469,838	ReconcilationRevenueExpnssAmt
Net Unrlzd Gains Losses Invst	$140,479,704	NetUnrlzdGainsLossesInvstAmt
Other Changes In Net Assets	$697,327,694	OtherChangesInNetAssetsAmt
Info In Schedule O Part XII	Yes (X)	InfoInScheduleOPartXIIInd
Method Of Accounting Accrual	Yes (X)	MethodOfAccountingAccrualInd
Accountant Compile Or Review	0	AccountantCompileOrReviewInd
FS Audited	Yes (1)	FSAuditedInd

FS Audited Basis FSAuditedBasisGrp

Field	Value	IRS element (for citing)
Consolidated Basis Fincl Stmt	Yes (X)	ConsolidatedBasisFinclStmtInd

Field	Value	IRS element (for citing)
Audit Committee	Yes (1)	AuditCommitteeInd
Federal Grant Audit Required	Yes (1)	FederalGrantAuditRequiredInd
Federal Grant Audit Performed	Yes (1)	FederalGrantAuditPerformedInd

Schedule A IRS990ScheduleA

Field	Value	IRS element (for citing)
Public Organization170	Yes (X)	PublicOrganization170Ind

Gifts Grants Contri Rcvd170 GiftsGrantsContriRcvd170Grp

Field	Value	IRS element (for citing)
Current Tax Year Minus4 Years	$205,843,904	CurrentTaxYearMinus4YearsAmt
Current Tax Year Minus3 Years	$1,209,696,539	CurrentTaxYearMinus3YearsAmt
Current Tax Year Minus2 Years	$497,110,612	CurrentTaxYearMinus2YearsAmt
Current Tax Year Minus1 Year	$494,355,285	CurrentTaxYearMinus1YearAmt
Current Tax Year	$564,469,432	CurrentTaxYearAmt
Total	$2,971,475,772	TotalAmt

Total Calendar Year170 TotalCalendarYear170Grp

Field	Value	IRS element (for citing)
Current Tax Year Minus4 Years	$205,843,904	CurrentTaxYearMinus4YearsAmt
Current Tax Year Minus3 Years	$1,209,696,539	CurrentTaxYearMinus3YearsAmt
Current Tax Year Minus2 Years	$497,110,612	CurrentTaxYearMinus2YearsAmt
Current Tax Year Minus1 Year	$494,355,285	CurrentTaxYearMinus1YearAmt
Current Tax Year	$564,469,432	CurrentTaxYearAmt
Total	$2,971,475,772	TotalAmt

Field	Value	IRS element (for citing)
Public Support Total170	$2,971,475,772	PublicSupportTotal170Amt

Gross Investment Income170 GrossInvestmentIncome170Grp

Field	Value	IRS element (for citing)
Current Tax Year Minus4 Years	$10,454,503	CurrentTaxYearMinus4YearsAmt
Current Tax Year Minus3 Years	$18,327,008	CurrentTaxYearMinus3YearsAmt
Current Tax Year Minus2 Years	$14,112,616	CurrentTaxYearMinus2YearsAmt
Current Tax Year Minus1 Year	$12,896,200	CurrentTaxYearMinus1YearAmt
Current Tax Year	$8,702,981	CurrentTaxYearAmt
Total	$64,493,308	TotalAmt

Unrelated Business Net Incm170 UnrelatedBusinessNetIncm170Grp

Field	Value	IRS element (for citing)
Current Tax Year Minus4 Years	$1,399,583	CurrentTaxYearMinus4YearsAmt
Current Tax Year Minus3 Years	$1,961,141	CurrentTaxYearMinus3YearsAmt
Current Tax Year Minus2 Years	$3,180,941	CurrentTaxYearMinus2YearsAmt
Current Tax Year Minus1 Year	$3,253,753	CurrentTaxYearMinus1YearAmt
Current Tax Year	$944,808	CurrentTaxYearAmt
Total	$10,740,226	TotalAmt

Field	Value	IRS element (for citing)
Total Support	$3,046,709,306	TotalSupportAmt
Gross Receipts Rltd Activities	$5,615,881,314	GrossReceiptsRltdActivitiesAmt
Public Support CY170	0.97530	PublicSupportCY170Pct
Public Support PY170	0.97380	PublicSupportPY170Pct
Thirty Thr Pct Suprt Tests CY170	Yes (X)	ThirtyThrPctSuprtTestsCY170Ind

Schedule B IRS990ScheduleB

Contributor Information ContributorInformationGrp

Field	Value	IRS element (for citing)
Contributor	RESTRICTED	ContributorNum

Contributor Business Name ContributorBusinessName

Field	Value	IRS element (for citing)
Business Name Line1	RESTRICTED	BusinessNameLine1

Contributor US Address ContributorUSAddress

Field	Value	IRS element (for citing)
Address Line1	RESTRICTED	AddressLine1
Address Line2	RESTRICTED	AddressLine2
City	RESTRICTED	City
State	RESTRICTED	State
ZIP Code	RESTRICTED	ZIPCode

Field	Value	IRS element (for citing)
Total Contributions	RESTRICTED	TotalContributionsAmt

Schedule C IRS990ScheduleC

Field	Value	IRS element (for citing)
Volunteers	0	VolunteersInd
Paid Staff Or Management	Yes (1)	PaidStaffOrManagementInd
Media Advertisements	0	MediaAdvertisementsInd
Mailings Members	Yes (1)	MailingsMembersInd
Publications Or Broadcast	0	PublicationsOrBroadcastInd
Grants Other Organizations	0	GrantsOtherOrganizationsInd
Direct Contact Legislators	Yes (1)	DirectContactLegislatorsInd
Direct Contact Legislators	$1,447,191	DirectContactLegislatorsAmt
Rallies Demonstrations	0	RalliesDemonstrationsInd
Other Activities	0	OtherActivitiesInd
Total Lobbying Expenditures	$1,447,191	TotalLobbyingExpendituresAmt
Not Described Section501c3	0	NotDescribedSection501c3Ind

Supplemental Information Detail SupplementalInformationDetail

Field	Value	IRS element (for citing)
Form And Line Reference	LOBBYING EXPENSES	FormAndLineReferenceDesc
Explanation	THE CORPORATION MAY ON OCCASION CONTACT ITS EMPLOYEES WITH A VOLUNTARY OPPORTUNITY TO PARTICIPATE IN THE CONVERSATION TO PROTECT AGAINST CUTS IN FEDERAL FUNDING THAT WOULD HAVE AN ADVERSE IMPACT ON THE CORPORATION AND ITS AFFILIATES AS WELL AS THE PACE OF MEDICAL ADVANCES, THE ECONOMY, AND THE GLOBAL COMPETITIVENESS OF THE CORPORATION. THE CORPORATION MAY ON OCCASION REVIEW PROPOSED LEGISLATION FOR THE PURPOSE OF DETERMINING THE EFFECT UPON ITS TAX-EXEMPT PURPOSES. THE CORPORATION MAY ON OCCASION ALSO APPEAR BEFORE A LEGISLATIVE COMMITTEE, CONFER WITH LEGISLATORS OR OTHERWISE ATTEMPT TO INFLUENCE LEGISLATION. HOWEVER, IT WILL NOT PARTICIPATE, IN ANY WAY, IN POLITICAL CAMPAIGNS. THE CORPORATION'S INVOLVEMENT IN LEGISLATIVE ACTIVITIES CONSTITUTES AN INSUBSTANTIAL PART OF ITS ACTIVITIES.	ExplanationTxt

Schedule D IRS990ScheduleD

CY Endwmt Fund CYEndwmtFundGrp

Field	Value	IRS element (for citing)
Beginning Year Balance	$11,758,490	BeginningYearBalanceAmt
Contributions	$392,151	ContributionsAmt
Investment Earnings Or Losses	$1,192,293	InvestmentEarningsOrLossesAmt
Other Expenditures	$565,366	OtherExpendituresAmt
End Year Balance	$12,777,568	EndYearBalanceAmt

CY Minus1 Yr Endwmt Fund CYMinus1YrEndwmtFundGrp

Field	Value	IRS element (for citing)
Beginning Year Balance	$14,136,358	BeginningYearBalanceAmt
Contributions	$350,737	ContributionsAmt
Investment Earnings Or Losses	-$2,216,235	InvestmentEarningsOrLossesAmt
Other Expenditures	$512,370	OtherExpendituresAmt
End Year Balance	$11,758,490	EndYearBalanceAmt

CY Minus2 Yr Endwmt Fund CYMinus2YrEndwmtFundGrp

Field	Value	IRS element (for citing)
Beginning Year Balance	$11,170,715	BeginningYearBalanceAmt
Contributions	$290,131	ContributionsAmt
Investment Earnings Or Losses	$3,103,948	InvestmentEarningsOrLossesAmt
Other Expenditures	$428,436	OtherExpendituresAmt
End Year Balance	$14,136,358	EndYearBalanceAmt

CY Minus3 Yr Endwmt Fund CYMinus3YrEndwmtFundGrp

Field	Value	IRS element (for citing)
Beginning Year Balance	$10,550,317	BeginningYearBalanceAmt
Contributions	$299,379	ContributionsAmt
Investment Earnings Or Losses	$768,774	InvestmentEarningsOrLossesAmt
Other Expenditures	$447,755	OtherExpendituresAmt
End Year Balance	$11,170,715	EndYearBalanceAmt

CY Minus4 Yr Endwmt Fund CYMinus4YrEndwmtFundGrp

Field	Value	IRS element (for citing)
Beginning Year Balance	$10,313,374	BeginningYearBalanceAmt
Contributions	$297,434	ContributionsAmt
Investment Earnings Or Losses	$390,831	InvestmentEarningsOrLossesAmt
Other Expenditures	$451,322	OtherExpendituresAmt
End Year Balance	$10,550,317	EndYearBalanceAmt

Field	Value	IRS element (for citing)
Board Designated Balance EOY	0.89290	BoardDesignatedBalanceEOYPct
Prmnnt Endowment Balance EOY	0.09000	PrmnntEndowmentBalanceEOYPct
Term Endowment Balance EOY	0.01710	TermEndowmentBalanceEOYPct
Endowments Held Unrelated Org	0	EndowmentsHeldUnrelatedOrgInd
Endowments Held Related Org	0	EndowmentsHeldRelatedOrgInd

Land LandGrp

Field	Value	IRS element (for citing)
Investment Cost Or Other Basis	$13,601,826	InvestmentCostOrOtherBasisAmt
Other Cost Or Other Basis	$58,165,612	OtherCostOrOtherBasisAmt
Book Value	$71,767,438	BookValueAmt

Buildings BuildingsGrp

Field	Value	IRS element (for citing)
Investment Cost Or Other Basis	$36,744,524	InvestmentCostOrOtherBasisAmt
Other Cost Or Other Basis	$514,941,531	OtherCostOrOtherBasisAmt
Depreciation	$148,978,132	DepreciationAmt
Book Value	$402,707,923	BookValueAmt

Leasehold Improvements LeaseholdImprovementsGrp

Field	Value	IRS element (for citing)
Other Cost Or Other Basis	$6,857,706	OtherCostOrOtherBasisAmt
Depreciation	$2,684,954	DepreciationAmt
Book Value	$4,172,752	BookValueAmt

Equipment EquipmentGrp

Field	Value	IRS element (for citing)
Other Cost Or Other Basis	$321,120,738	OtherCostOrOtherBasisAmt
Depreciation	$158,526,951	DepreciationAmt
Book Value	$162,593,787	BookValueAmt

Other Land Buildings OtherLandBuildingsGrp

Field	Value	IRS element (for citing)
Other Cost Or Other Basis	$124,971,746	OtherCostOrOtherBasisAmt
Depreciation	$20,257,765	DepreciationAmt
Book Value	$104,713,981	BookValueAmt

Field	Value	IRS element (for citing)
Total Book Value Land Buildings	$745,955,881	TotalBookValueLandBuildingsAmt

Other Securities OtherSecuritiesGrp (2 entries)

DescDesc	Book ValueBookValueAmt	Method ValuationMethodValuationCd
INV IN MGB POOLED INVESTMENTS	$39,417,161	F
INV IN MGB POOLED HOLDINGS	$2,145,712,255	F

Field	Value	IRS element (for citing)
Total Book Value Securities	$2,185,129,416	TotalBookValueSecuritiesAmt

Other Assets Org OtherAssetsOrgGrp (2 entries)

DescDesc	Book ValueBookValueAmt
OTHER ASSETS	$2,187,527,831
DUE FROM AFFILIATES	$623,831,611

Field	Value	IRS element (for citing)
Total Book Value Other Assets	$2,811,359,442	TotalBookValueOtherAssetsAmt

Other Liabilities Org OtherLiabilitiesOrgGrp (4 entries)

DescDesc	AmtAmt
SETTLEMENTS - THIRD PARTY PAYORS	-$4,546,935
TAXABLE BONDS	$1,998,519,362
INTEREST RATE SWAPS LIABILITY	$67,074,516
OTHER LIABILITIES	$45,125,494

Field	Value	IRS element (for citing)
Total Liability	$2,106,172,437	TotalLiabilityAmt
Footnote Text	Yes (X)	FootnoteTextInd

Supplemental Information Detail SupplementalInformationDetail (2 entries)

Form And Line ReferenceFormAndLineReferenceDesc	ExplanationExplanationTxt
PART X, LINE 2:	MASS GENERAL BRIGHAM INCORPORATED DOES NOT HAVE A FIN 48 (ASC 740) FOOTNOTE DISCLOSURE IN THE CONSOLIDATED AUDITED FINANCIAL STATEMENTS.
INTENDED USE OF ENDOWMENT FUNDS	THE ENDOWMENT FUNDS OF MASS GENERAL BRIGHAM INCORPORATED ARE USED IN FURTHERANCE OF THE ORGANIZATION'S TAX-EXEMPT MISSION.

Schedule F IRS990ScheduleF

Account Activities Outside US AccountActivitiesOutsideUSGrp (7 entries)

RegionRegionTxt	Type Of Activities ConductedTypeOfActivitiesConductedTxt	Specific Services ProvidedSpecificServicesProvidedTxt	Region Total ExpendituresRegionTotalExpendituresAmt	OfficesOfficesCnt
CENTRAL AMERICA/CARIBBEAN	PROGRAM SERVICES	PAT. CARE, RESEARCH & EDUCATION	$3,800
EAST ASIA AND THE PACIFIC	PROGRAM SERVICES	PAT. CARE, RESEARCH & EDUCATION	$14,774	1
EUROPE	PROGRAM SERVICES	PAT. CARE, RESEARCH & EDUCATION	$3,385,150
EUROPE	PROGRAM SERVICES	FOREIGN INSURANCE	$55,129
EUROPE	PROGRAM SERVICES	INTERNATIONAL GRANTS	$22,765
MIDDLE EAST AND NORTH AFRICA	PROGRAM SERVICES	PAT. CARE, RESEARCH & EDUCATION	$796,940
NORTH AMERICA	PROGRAM SERVICES	PAT. CARE, RESEARCH & EDUCATION	$1,784,992

Field	Value	IRS element (for citing)
Subtotal Offices	1	SubtotalOfficesCnt
Subtotal Employees	0	SubtotalEmployeesCnt
Continuation Total Office	0	ContinuationTotalOfficeCnt
Continuation Total Employee	0	ContinuationTotalEmployeeCnt
Total Office	1	TotalOfficeCnt
Total Employee	0	TotalEmployeeCnt
Subtotal Spent	$6,063,550	SubtotalSpentAmt
Continuation Spent	$0	ContinuationSpentAmt
Total Spent	$6,063,550	TotalSpentAmt

Grants To Org Outside US GrantsToOrgOutsideUSGrp

Field	Value	IRS element (for citing)
Region	EUROPE	RegionTxt
Purpose Of Grant	PAT. CARE, RESEARCH & EDUCATION	PurposeOfGrantTxt
Cash Grant	$22,765	CashGrantAmt
Manner Of Cash Disbursement	WIRE	MannerOfCashDisbursementTxt
Non Cash Assistance	$0	NonCashAssistanceAmt

Field	Value	IRS element (for citing)
Total Other Org	1	TotalOtherOrgCnt
Transfer To Foreign Corp	Yes (1)	TransferToForeignCorpInd
Interest In Foreign Trust	0	InterestInForeignTrustInd
Foreign Corp Ownership	Yes (1)	ForeignCorpOwnershipInd
Passive Foreign Investmest Co	Yes (1)	PassiveForeignInvestmestCoInd
Foreign Partnership	Yes (1)	ForeignPartnershipInd
Boycott Countries	Yes (1)	BoycottCountriesInd

Supplemental Information Detail SupplementalInformationDetail (2 entries)

Form And Line ReferenceFormAndLineReferenceDesc	ExplanationExplanationTxt
PART III ACCOUNTING METHOD:
ACCOUNTING METHOD	THE ORGANIZATION USES THE ACCRUAL METHOD TO REPORT FOREIGN EXPENDITURES TO BE CONSISTENT WITH THE REPORTING USED FOR THE FINANCIAL STATEMENTS.

Schedule I IRS990ScheduleI

Field	Value	IRS element (for citing)
Grant Records Maintained	Yes (1)	GrantRecordsMaintainedInd

Recipient Table RecipientTable (73 entries)

Address Line1USAddress/AddressLine1Txt	CityUSAddress/CityNm	State AbbreviationUSAddress/StateAbbreviationCd	ZIPUSAddress/ZIPCd	Recipient EINRecipientEIN	IRC SectionIRCSectionDesc	Cash GrantCashGrantAmt	Non Cash AssistanceNonCashAssistanceAmt	Purpose Of GrantPurposeOfGrantTxt
LYNN COMMUNITY HEALTH CENTER INC
269 MADISON AVE ROOM 9	LYNN	MA	01901	042525066	501(C)(3)	$1,001,364	$0	COMMUNITY BENEFIT PROGRAM
BOSTON HEALTH CARE FOR THE HOMELESS
780 ALBANY ST	BOSTON	MA	02118	043160480	501(C)(3)	$240,000	$0	COMMUNITY BENEFIT PROGRAM
NORTH SHORE COMMUNITY HEALTH INC
47 CONGRESS ST	SALEM	MA	01970	042610447	501(C)(3)	$232,500	$0	COMMUNITY BENEFIT PROGRAM
BOSTON PUBLIC HEALTH COMMISSION
1010 MASSACHUSETTS AVE	BOSTON	MA	02118		501(C)(1)	$200,000	$0	COMMUNITY BENEFIT PROGRAM
HEALTH CARE FOR ALL INC
ONE FEDERAL STREET 5TH FLOOR	BOSTON	MA	02110	043071598	501(C)(3)	$183,855	$0	COMMUNITY BENEFIT PROGRAM
CENTERBOARD
16 CITY HALL SQUARE	LYNN	MA	01901	043019658	501(C)(3)	$100,000	$0	COMMUNITY BENEFIT PROGRAM
EAST BOSTON NEIGHBORHOOD HEALTH CENTER
10 GOVE ST 20 MAVERICK SQ	EAST BOSTON	MA	02128	237425849	501(C)(3)	$100,000	$0	COMMUNITY BENEFIT PROGRAM
FAMILYAID
3815 WASHINGTON ST	BOSTON	MA	02130	042105756	501(C)(3)	$100,000	$0	COMMUNITY BENEFIT PROGRAM
HARVARD UNIVERSITY - LEGAL SERVICES CENTER
122 BOYLSTON STREET	JAMAICA PLAIN	MA	02130	042103580	501(C)(3)	$100,000	$0	COMMUNITY BENEFIT PROGRAM
IMMIGRANT FAMILY SERVICES INSTITUTE INC
1626 BLUE HILL AVE	BOSTON	MA	02126	474400495	501(C)(3)	$100,000	$0	COMMUNITY BENEFIT PROGRAM
INTERNATIONAL INSTITUTE OF NEW ENGLAND INC (IINE)
2 BOYLSTON ST	BOSTON	MA	02116	042104325	501(C)(3)	$100,000	$0	COMMUNITY BENEFIT PROGRAM
HEALTH LAW ADVOCATES
ONE FEDERAL STREET 5TH FLOOR	BOSTON	MA	02110	043298116	501(C)(3)	$50,000	$0	COMMUNITY BENEFIT PROGRAM
WHITTIER STREET HEALTH CENTER
1290 TREMONT ST	BOSTON	MA	02120	042619517	501(C)(3)	$49,835	$0	COMMUNITY BENEFIT PROGRAM
MATTAPAN COMMUNITY HEALTH CENTER
1425 BLUE HILL AVE	BOSTON	MA	02126	042544151	501(C)(3)	$45,096	$0	COMMUNITY BENEFIT PROGRAM
COMMUNITY SERVICE CARE INC
36 PERKINS ST	JAMAICA PLAIN	MA	02130	042754281	501(C)(3)	$41,517	$0	COMMUNITY BENEFIT PROGRAM
MASS LEAGUE OF COMMUNITY HEALTH CENTERS
40 COURT ST	BOSTON	MA	02108	042507409	501(C)(3)	$27,500	$0	COMMUNITY BENEFIT PROGRAM
DIMOCK COMMUNITY HEALTH CENTER
55 DIMOCK ST	ROXBURY	MA	02119	043487835	501(C)(3)	$25,000	$0	COMMUNITY BENEFIT PROGRAM
SOUTH SHORE HEALTH SYSTEM INC
55 FOGG RD	SOUTH WEYMOUTH	MA	02190	042105926	501(C)(3)	$25,000	$0	COMMUNITY BENEFIT PROGRAM
WALTHAM PARTNERSHIP FOR YOUTH
617 LEXINGTON ST	WALTHAM	MA	02452	043399437	501(C)(3)	$25,000	$0	COMMUNITY BENEFIT PROGRAM
NEW ENGLAND COUNCIL INC
98 N WASHINGTON ST STE 201	BOSTON	MA	02114	041661090	501(C)(3)	$20,000	$0	COMMUNITY BENEFIT PROGRAM
AMERICAN HEART ASSOCIATION
7272 GREENVILLE AVE	DALLAS	TX	75231	135613797	501(C)(3)	$15,000	$0	COMMUNITY BENEFIT PROGRAM
BIOMEDICAL SCIENCE CAREERS PROJECT INC
164 LONGWOOD AVE 204	BOSTON	MA	02115	043241307	501(C)(3)	$15,000	$0	COMMUNITY BENEFIT PROGRAM
FRACTURED ATLAS INC
248 W 35TH ST 10TH FL	NEW YORK	NY	10001	113451703	501(C)(3)	$10,000	$0	COMMUNITY BENEFIT PROGRAM
MASSACHUSETTS TAXPAYER FOUNDATION INC
333 WASHINGTON ST	BOSTON	MA	02108	041590310	501(C)(3)	$10,000	$0	COMMUNITY BENEFIT PROGRAM
GREATER BOSTON CHAMBER OF COMMERCE
265 FRANKLIN ST STE 1216	BOSTON	MA	02118	041103090	501(C)(6)	$7,750	$0	COMMUNITY BENEFIT PROGRAM
REACH BEYOND DOMESTIC VIOLENCE
PO BOX 5409024	WALTHAM	MA	02454	042735449	501(C)(3)	$7,500	$0	COMMUNITY BENEFIT PROGRAM
UNIVERSITY OF MASSACHUSETTS BOSTON
100 MORRISSEY BLVD	BOSTON	MA	02125	043167352	501(C)(1)	$51,500	$0	COMMUNITY BENEFIT PROGRAM
UASPIRE INC
6 LIBERTY SQUARE PMB 98549	BOSTON	MA	02109	461314848	501(C)(3)	$46,025	$0	COMMUNITY BENEFIT PROGRAM
SIMMONS UNIVERSITY
300 THE FENWAY	BOSTON	MA	02115	042103629	501(C)(3)	$34,000	$0	COMMUNITY BENEFIT PROGRAM
NORTHEASTERN UNIVERSITY
360 HUNTINGTON AVE	BOSTON	MA	02115	041679980	501(C)(3)	$25,500	$0	COMMUNITY BENEFIT PROGRAM
SUFFOLK UNIVERSITY
73 TREMONT ST	BOSTON	MA	02108	042133255	501(C)(3)	$21,000	$0	COMMUNITY BENEFIT PROGRAM
BOSTON UNIVERSITY
ONE SILBER WAY	BOSTON	MA	02215	042103547	501(C)(3)	$19,000	$0	COMMUNITY BENEFIT PROGRAM
BENTLEY UNIVERSITY
175 FOREST ST	WALTHAM	MA	02452	041081650	501(C)(3)	$15,000	$0	COMMUNITY BENEFIT PROGRAM
BUNKER HILL COMMUNITY COLLEGE
250 NEW RUTHERFORD AVE	BOSTON	MA	02129	042710011	501(C)(1)	$12,000	$0	COMMUNITY BENEFIT PROGRAM
BROWN UNIVERSITY
13 BROWN ST	PROVIDENCE	RI	02912	050258809	501(C)(3)	$11,000	$0	COMMUNITY BENEFIT PROGRAM
MASSACHUSETTS COLLEGE OF PHARMACY AND HEALTH SCIENCES
179 LONGWOOD AVE	BOSTON	MA	02115	042104700	501(C)(3)	$10,000	$0	COMMUNITY BENEFIT PROGRAM
UNIVERSITY OF MASSACHUSETTS DARTMOUTH
285 OLD WESTPORT RD	NORTH DARTMOUTH	MA	02747	043167352	501(C)(1)	$10,000	$0	COMMUNITY BENEFIT PROGRAM
EMMANUEL COLLEGE
400 THE FENWAY	BOSTON	MA	02115	042105769	501(C)(3)	$9,500	$0	COMMUNITY BENEFIT PROGRAM
BRIDGEWATER STATE UNIVERSITY
131 SUMMER ST	BRIDGEWATER	MA	02325	222678005	501(C)(1)	$7,500	$0	COMMUNITY BENEFIT PROGRAM
HARVARD UNIVERSITY
1350 MASSACHUSETTS AVE	CAMBRIDGE	MA	02138	042103580	501(C)(3)	$7,000	$0	COMMUNITY BENEFIT PROGRAM
INSTITUTE OF CULINARY EDUCATION
225 LIBERTY ST 3RD FLOOR	NEW YORK	NY	10281	132847478	501(C)(3)	$5,500	$0	COMMUNITY BENEFIT PROGRAM
ROXBURY COMMUNITY COLLEGE
1234 COLUMBUS AVE	ROXBURY	MA	02120	042726857	501(C)(1)	$5,500	$0	COMMUNITY BENEFIT PROGRAM
SAINT ANSELM COLLEGE
100 ST ANSELM DR	GOFFSTOWN	NH	03102	020222182	501(C)(3)	$5,500	$0	COMMUNITY BENEFIT PROGRAM
SOUTHERN NEW HAMPSHIRE UNIVERSITY
2500 N RIVER RD	MANCHESTER	NH	03106	020274509	501(C)(3)	$5,500	$0	COMMUNITY BENEFIT PROGRAM
TRUSTEES OF BOSTON COLLEGE
140 COMMONWEALTH AVE	CHESTNUT HILL	MA	02467	042103545	501(C)(3)	$5,500	$0	COMMUNITY BENEFIT PROGRAM
WAGNER COLLEGE
1 CAMPUS RD	STATEN ISLAND	NY	10301	135604699	501(C)(3)	$5,500	$0	COMMUNITY BENEFIT PROGRAM
THE GENERAL HOSPITAL CORPORATION
55 FRUIT ST	BOSTON	MA	02114	042697983	501(C)(3)	$29,890,284	$0	EXEMPT AFFILIATE SUPPORT
MASSACHUSETTS GENERAL PHYSICIANS ORGANIZATION INC
55 FRUIT ST	BOSTON	MA	02114	042807148	501(C)(3)	$16,658,388	$0	EXEMPT AFFILIATE SUPPORT
THE SPAULDING REHABILITATION HOSPITAL CORPORATION
300 FIRST AVE	CHARLESTOWN	MA	02129	270273715	501(C)(3)	$1,302,705	$0	EXEMPT AFFILIATE SUPPORT
MASS GENERAL BRIGHAM HOME CARE INC
95 WELLS AVE	NEWTON	MA	02459	042918280	501(C)(3)	$639,090	$0	EXEMPT AFFILIATE SUPPORT
SPAULDING NURSING AND THERAPY CENTER BRIGHTON INC
100 NORTH BEACON ST	BRIGHTON	MA	02134	222632121	501(C)(3)	$87,021	$0	EXEMPT AFFILIATE SUPPORT
SPAULDING HOSPITAL-CAMBRIDGE INC
1575 CAMBRIDGE ST	CAMBRIDGE	MA	02138	270273715	501(C)(3)	$325,674	$0	EXEMPT AFFILIATE SUPPORT
SPAULDING REHABILITATION INC
800 BOYLSTON ST	BOSTON	MA	02199	260003495	501(C)(3)	$48,000,000	$0	EXEMPT AFFILIATE SUPPORT
REHABILITATION HOSPITAL OF THE CAPE AND ISLANDS CORPORATION
311 SERVICE RD	EAST SANDWICH	MA	02537	043071419	501(C)(3)	$195,579	$0	EXEMPT AFFILIATE SUPPORT
THE MCLEAN HOSPITAL CORPORATION
115 MILL ST	BELMONT	MA	02478	042697981	501(C)(3)	$4,149,560	$0	EXEMPT AFFILIATE SUPPORT
THE BRIGHAM AND WOMEN'S HOSPITAL INC
75 FRANCIS ST	BOSTON	MA	02115	042312909	501(C)(3)	$77,890	$0	EXEMPT AFFILIATE SUPPORT
BRIGHAM AND WOMEN'S PHYSICIANS ORGANIZATION INC
75 FRANCIS ST	BOSTON	MA	02115	043466314	501(C)(3)	$11,208,604	$0	EXEMPT AFFILIATE SUPPORT
BRIGHAM AND WOMEN'S FAULKNER HOSPITAL INC
1153 CENTRE ST	BOSTON	MA	02130	042768256	501(C)(3)	$526,876	$0	EXEMPT AFFILIATE SUPPORT
NORTH SHORE MEDICAL CENTER INC
81 HIGHLAND AVE	SALEM	MA	01970	043399616	501(C)(3)	$543,448	$0	EXEMPT AFFILIATE SUPPORT
NORTH SHORE PHYSICIANS GROUP INC
81 HIGHLAND AVE	SALEM	MA	01970	043080484	501(C)(3)	$5,888,325	$0	EXEMPT AFFILIATE SUPPORT
NEWTON-WELLESLEY MEDICAL GROUP INC
2014 WASHINGTON ST	NEWTON	MA	02462	222560501	501(C)(3)	$467,986	$0	EXEMPT AFFILIATE SUPPORT
NANTUCKET COTTAGE HOSPITAL
57 PROSPECT ST	NANTUCKET	MA	02554	042103823	501(C)(3)	$141,206	$0	EXEMPT AFFILIATE SUPPORT
MARTHA'S VINEYARD HOSPITAL INC
LINTON LN PO BOX 1477	OAK BLUFFS	MA	02557	042104691	501(C)(3)	$2,946,736	$0	EXEMPT AFFILIATE SUPPORT
WNR INC
LINTON LN	OAK BLUFFS	MA	02557	043419920	501(C)(3)	$6,480	$0	EXEMPT AFFILIATE SUPPORT
COOLEY DICKINSON HOSPITAL INC
30 LOCUST ST	NORTHAMPTON	MA	01060	222617175	501(C)(3)	$338,322	$0	EXEMPT AFFILIATE SUPPORT
VNA & HOSPICE OF COOLEY DICKINSON INC
168 INDUSTRIAL DR	NORTHAMPTON	MA	01060	042104788	501(C)(3)	$19,170	$0	EXEMPT AFFILIATE SUPPORT
MASS GENERAL BRIGHAM COMMUNITY PHYSICIANS INC
800 BOYLSTON ST	BOSTON	MA	02199	043236175	501(C)(3)	$25,680,557	$0	EXEMPT AFFILIATE SUPPORT
THE MGH INSTITUTE OF HEALTH PROFESSIONS INC
36 FIRST AVE	CHARLESTOWN	MA	02129	042868893	501(C)(3)	$15,825	$0	EXEMPT AFFILIATE SUPPORT
WENTWORTH-DOUGLASS HOSPITAL
789 CENTRAL AVE	DOVER	NH	03820	020260334	501(C)(3)	$1,517,130	$0	EXEMPT AFFILIATE SUPPORT
WENTWORTH-DOUGLASS PHYSICIAN CORPORATION
789 CENTRAL AVE	DOVER	NH	03820	020497927	501(C)(3)	$1,006,858	$0	EXEMPT AFFILIATE SUPPORT
MASSACHUSETTS EYE & EAR INFIRMARY
243 CHARLES STREET	BOSTON	MA	02114	042103591	501(C)(3)	$1,391,040	$0	EXEMPT AFFILIATE SUPPORT
MASSACHUSETTS EYE & EAR ASSOCIATES INC
243 CHARLES STREET	BOSTON	MA	02114	222658209	501(C)(3)	$514,810	$0	EXEMPT AFFILIATE SUPPORT
MASS GENERAL BRIGHAM MEDICAL GROUP INC
800 BOYLSTON ST	BOSTON	MA	02199	841908707	501(C)(3)	$4,256,096	$0	EXEMPT AFFILIATE SUPPORT

Field	Value	IRS element (for citing)
Total501c3 Org	66	Total501c3OrgCnt
Total Other Org	7	TotalOtherOrgCnt

Supplemental Information Detail SupplementalInformationDetail

Field	Value	IRS element (for citing)
Form And Line Reference	SCHEDULE I, PART I, LINE 2	FormAndLineReferenceDesc
Explanation	MASS GENERAL BRIGHAM INCORPORATED MAKES DONATIONS TO VARIOUS TAX-EXEMPT ORGANIZATIONS. THESE DONATIONS CAN BE USED BY THE RECIPIENT ONLY IN FURTHERANCE OF THEIR TAX-EXEMPT MISSION.	ExplanationTxt

Schedule J IRS990ScheduleJ

Field	Value	IRS element (for citing)
Club Dues Or Fees	Yes (X)	ClubDuesOrFeesInd
Written Policy Ref T And E Expnss	Yes (1)	WrittenPolicyRefTAndEExpnssInd
Substantiation Required	Yes (1)	SubstantiationRequiredInd
Compensation Committee	Yes (X)	CompensationCommitteeInd
Independent Consultant	Yes (X)	IndependentConsultantInd
Form990 Of Other Organizations	Yes (X)	Form990OfOtherOrganizationsInd
Compensation Survey	Yes (X)	CompensationSurveyInd
Board Or Committee Approval	Yes (X)	BoardOrCommitteeApprovalInd
Severance Payment	Yes (1)	SeverancePaymentInd
Supplemental Nonqual Rtr Plan	Yes (1)	SupplementalNonqualRtrPlanInd
Equity Based Comp Arrngm	0	EquityBasedCompArrngmInd
Comp Based On Revenue Of Flng Org	0	CompBasedOnRevenueOfFlngOrgInd
Comp Bsd On Rev Related Orgs	0	CompBsdOnRevRelatedOrgsInd
Comp Bsd Net Earns Flng Org	0	CompBsdNetEarnsFlngOrgInd
Comp Bsd Net Earns Rltd Orgs	0	CompBsdNetEarnsRltdOrgsInd
Any Non Fixed Payments	Yes (1)	AnyNonFixedPaymentsInd
Initial Contract Exception	0	InitialContractExceptionInd

Rltd Org Officer Trst Key Empl RltdOrgOfficerTrstKeyEmplGrp (21 entries)

TitleTitleTxt	Base Compensation Filing OrgBaseCompensationFilingOrgAmt	Compensation Based On Rltd OrgsCompensationBasedOnRltdOrgsAmt	Bonus Filing OrganizationBonusFilingOrganizationAmount	Bonus Related OrganizationsBonusRelatedOrganizationsAmt	Other Compensation Filing OrgOtherCompensationFilingOrgAmt	Other Compensation Rltd OrgsOtherCompensationRltdOrgsAmt	Deferred Compensation Flng OrgDeferredCompensationFlngOrgAmt	Deferred Comp Rltd OrgsDeferredCompRltdOrgsAmt	Nontaxable Benefits Filing OrgNontaxableBenefitsFilingOrgAmt	Nontaxable Benefits Rltd OrgsNontaxableBenefitsRltdOrgsAmt	Total Compensation Filing OrgTotalCompensationFilingOrgAmt	Total Compensation Rltd OrgsTotalCompensationRltdOrgsAmt	Comp Report Prior990 Filing OrgCompReportPrior990FilingOrgAmt	Comp Report Prior990 Rltd OrgsCompReportPrior990RltdOrgsAmt
ANNE KLIBANSKI MD
PRESIDENT, CEO & DIRECTOR	$2,389,133	$0	$3,374,653	$0	$179,046	$0	$33,550	$0	$26,360	$0	$6,002,742	$0	$1,400,000	$0
JOHN R BARKER
CHIEF INVESTMENT OFFICER	$719,500	$0	$2,536,466	$0	$61,089	$0	$27,450	$0	$35,501	$0	$3,380,006	$0	$0	$0
RON M WALLS MD
CHIEF OPERATING OFFICER	$2,002,600	$0	$413,300	$0	$415,769	$0	$33,550	$0	$27,118	$0	$2,892,337	$0	$0	$0
GREGG S MEYER MD MSC
PRESIDENT, COMMUNITY DIVISION	$1,555,420	$0	$2,012	$0	$1,032,806	$0	$33,550	$0	$29,389	$0	$2,653,177	$0	$0	$0
PETER K MARKELL
FORMER - EVP, CFO & TREASURER	$0	$0	$0	$0	$1,950,362	$0	$0	$0	$329	$0	$1,950,691	$0	$0	$0
ELIZABETH L BALDWIN
PORTFOLIO MANAGER	$610,309	$0	$1,111,556	$0	$51,854	$0	$21,350	$0	$37,411	$0	$1,832,480	$0	$0	$0
KATHERINE L KAMM
PORTFOLIO MANAGER	$610,682	$0	$1,086,670	$0	$52,120	$0	$21,350	$0	$38,355	$0	$1,809,177	$0	$0	$0
LAURA PEABODY
CHIEF LEGAL OFF., SECRETARY 07/01/23	$1,155,365	$0	$488,172	$0	$97,015	$0	$33,550	$0	$27,269	$0	$1,801,371	$0	$0	$0
NIYUM GANDHI
CFO & TREASURER	$1,459,480	$0	$100,000	$0	$186,770	$0	$18,300	$0	$22,691	$0	$1,787,241	$0	$100,000	$0
JANE D MORAN
CHIEF INFORMATION & DIGITAL OFFICER	$1,223,000	$0	$196,000	$0	$175,233	$0	$27,450	$0	$35,091	$0	$1,656,774	$0	$0	$0
O'NEIL BRITTON MD
ASSOCIATE CHIEF OPERATING OFFICER	$1,114,237	$0	$143,687	$0	$62,920	$0	$33,550	$0	$37,441	$0	$1,391,835	$0	$0	$0
ROSEMARY R SHEEHAN
CHIEF HUMAN RESOURCES OFFICER	$930,000	$0	$289,587	$0	$93,348	$0	$33,550	$0	$35,421	$0	$1,381,906	$0	$0	$0
THOMAS DEAN SEQUIST MD
CHIEF MEDICAL OFFICER	$1,009,561	$0	$216,040	$0	$87,617	$0	$33,550	$0	$34,940	$0	$1,381,708	$0	$0	$0
JEFF A WEISS
CHIEF STRATEGY & TRANSFORMATION OFF.	$872,504	$0	$294,256	$0	$97,593	$0	$27,450	$0	$27,178	$0	$1,318,981	$0	$0	$0
RAVI I THADHANI MD MPH
CHIEF ACADEMIC OFFICER	$858,650	$0	$266,771	$0	$89,561	$0	$33,550	$0	$35,355	$0	$1,283,887	$0	$0	$0
ALISTAIR ERSKINE MD
FORMER - CHIEF DIGITAL HEALTH OFF.	$823,737	$0	$48,009	$0	$82,721	$0	$24,400	$0	$38,164	$0	$1,017,031	$0	$0	$0
YOLONDA LORIG COLSON MD PHD
DIRECTOR	$0	$705,000	$0	$105,000	$0	$125,434	$0	$36,600	$0	$25,924	$0	$997,958	$0	$0
JAMES W NOGA
FORMER - VP & CHIEF INFORMATION OFF.	$319,277	$0	$0	$0	$512,635	$0	$33,550	$0	$11,715	$0	$877,177	$0	$0	$0
KEVIN S SCHLICKE
FORMER - INTERIM TREASURER	$543,803	$0	$163,448	$0	$57,918	$0	$33,550	$0	$34,241	$0	$832,960	$0	$0	$0
ZARA R COOPER MD
DIRECTOR	$0	$580,500	$0	$96,400	$0	$46,135	$0	$36,600	$0	$26,124	$0	$785,759	$0	$0
MAUREEN GOGGIN
SECRETARY UNTIL 06/30/23	$179,332	$0	$0	$0	$25,215	$0	$4,067	$0	$15,565	$0	$224,179	$0	$0	$0

Supplemental Information Detail SupplementalInformationDetail (4 entries)

Form And Line ReferenceFormAndLineReferenceDesc	ExplanationExplanationTxt
TRUSTEE COMPENSATION	TRUSTEES RECEIVE NO COMPENSATION OR CONTRIBUTIONS TO EMPLOYEE BENEFIT PLANS FOR SERVICE ON THE BOARD OR ITS COMMITTEES. BOARD MEMBERS WHO ARE ALSO EMPLOYED BY THE CORPORATION OR A MASS GENERAL BRIGHAM INCORPORATED AFFILIATE RECEIVE COMPENSATION ONLY FOR THEIR SERVICES AS EMPLOYEES.
PART I, LINE 1A:	HEALTH OR SOCIAL CLUB DUES OR INITIATION FEES WERE PROVIDED TO A CERTAIN KEY EMPLOYEE LISTED ON FORM 990, PART VII. THIS BENEFIT WAS PROVIDED PURSUANT TO A WRITTEN POLICY. THE HEALTH OR SOCIAL CLUB DUES OR INITIATION FEES WERE TREATED AS TAXABLE COMPENSATION.
PART I, LINES 4A-B:	RECEIPT OF SEVERANCE PAYMENT PETER K. MARKELL - $1,913,100 JAMES W. NOGA - $472,653 NONQUALIFIED RETIREMENT PLAN PARTICIPATION IN A SUPPLEMENTAL NONQUALIFIED RETIREMENT PLAN THESE AMOUNTS ARE ALREADY INCLUDED IN THE COMPENSATION DISCLOSED ON SCHEDULE J, PART II GREGG S. MEYER, M.D - $926,551 RON M. WALLS, M.D. - $289,455
PART I, LINE 7	CERTAIN EMPLOYEES RECEIVED INCENTIVE COMPENSATION BASED ON ACHIEVEMENT OF ORGANIZATIONAL AND INDIVIDUAL GOALS. THE COMPENSATION COMMITTEE OF MASS GENERAL BRIGHAM INCORPORATED OR THE COMPENSATION COMMITTEES OF MASS GENERAL BRIGHAM INCORPORATED SUBORDINATE ENTITIES HAVE THE FINAL AUTHORITY FOR SUCH PAYMENTS.

Schedule K IRS990ScheduleK

Tax Exempt Bonds Issues TaxExemptBondsIssuesGrp (4 entries)

Bond ReferenceBondReferenceCd	Bond Issuer EINBondIssuerEIN	CUSIPCUSIPNum	Bond IssuedBondIssuedDt	Issue PriceIssuePriceAmt	PurposePurposeDesc	DefeasedDefeasedInd	On Behalf Of IssuerOnBehalfOfIssuerInd	Pool FinancingPoolFinancingInd
MHEFA PARTNERS HEALTHCARE SYSTEM INC SERIES F
A	042456011	57586CGW9	2005-06-10	$411,566,153	SERIES F - SEE SCHEDULE K PART VI	0	0	0
MHEFA PARTNERS HEALTHCARE SER G-1G-2G-3G-4G-6
B	042456011	57586CZW8	2007-06-07	$380,000,000	SERIES G - SEE SCHEDULE K PART VI	0	0	0
MHEFA PARTNERS HEALTHCARE SYSTEM INC SERIES H
C	042456011	57586CW27	2008-04-01	$171,320,000	SERIES H - SEE SCHEDULE K PART VI	0	0	0
MDFA PARTNERS HEALTHCARE SYSTEM INC SERIES K
D	043431814	57583R6W0	2011-01-13	$436,019,104	SERIES K - SEE SCHEDULE K PART VI	0	0	0

Tax Exempt Bonds Proceeds TaxExemptBondsProceedsGrp (4 entries)

Bond ReferenceBondReferenceCd	RetiredRetiredAmt	Total ProceedsTotalProceedsAmt	Capitalized InterestCapitalizedInterestAmt	Issuance Costs From ProceedsIssuanceCostsFromProceedsAmt	Credit EnhancementCreditEnhancementAmt	Capital ExpendituresCapitalExpendituresAmt	Other Spent ProceedsOtherSpentProceedsAmt	Substantial CompletionSubstantialCompletionYr	Refunding Tax Exempt BondsRefundingTaxExemptBondsInd	Refunding Taxable BondsRefundingTaxableBondsInd	Final Allocation MadeFinalAllocationMadeInd	Adequate Books And Rec MaintAdequateBooksAndRecMaintInd
A	$183,275,000	$419,448,101	$18,398,432	$2,671,595	$2,650,000	$326,493,380	$69,234,694	2007	Yes (1)	0	Yes (1)	Yes (1)
B	$305,000,000	$386,190,828	$20,479,076	$2,776,551	$4,696,147	$358,239,054		2009	0	0	Yes (1)	Yes (1)
C	$14,540,000	$171,320,000		$420,000			$170,900,000	2009	Yes (1)	0	Yes (1)	Yes (1)
D	$323,165,000	$436,030,814		$3,523,063		$201,342,457	$231,165,294	2011	Yes (1)	Yes (1)	Yes (1)	Yes (1)

Tax Exempt Bonds Private Bus Use TaxExemptBondsPrivateBusUseGrp (4 entries)

Bond ReferenceBondReferenceCd	Owning Bond Financed PropertyOwningBondFinancedPropertyInd	Any Lease ArrangementsAnyLeaseArrangementsInd	Mgmt Contract Bond Fincd PropMgmtContractBondFincdPropInd	Any Research AgreementsAnyResearchAgreementsInd	Bond Iss Meet Prvt Sec Pymt TestBondIssMeetPrvtSecPymtTestInd	Change In Use Bond Financed PropChangeInUseBondFinancedPropInd	Procs Nonqualified Bond RemdtdProcsNonqualifiedBondRemdtdInd
A	0	0	0	0	0	0	Yes (1)
B	0	0	0	0	0	0	Yes (1)
C	0	0	0	0	0	0	Yes (1)
D	0	0	0	0	0	0	Yes (1)

Tax Exempt Bonds Arbitrage TaxExemptBondsArbitrageGrp (4 entries)

Bond ReferenceBondReferenceCd	Form8038 T FiledForm8038TFiledInd	Rebate Not Due YetRebateNotDueYetInd	Exception To RebateExceptionToRebateInd	No Rebate DueNoRebateDueInd	Variable Rate IssueVariableRateIssueInd	Hedge Identified In Bks And RecHedgeIdentifiedInBksAndRecInd	Business Name Line2HedgeProviderName/BusinessNameLine2Txt	Term Of HedgeTermOfHedgePct	Superintegrated HedgeSuperintegratedHedgeInd	Hedge TerminatedHedgeTerminatedInd	Gross Proceeds Invested In GICGrossProceedsInvestedInGICInd	Business Name Line2GICProviderName/BusinessNameLine2Txt	Term Of GICTermOfGICPct	Regulatory Safe Harbor StsfdRegulatorySafeHarborStsfdInd	Gross Proceeds InvestedGrossProceedsInvestedInd	Written Proc To Monitor ReqsWrittenProcToMonitorReqsInd
BEAR STEARNS
A	0	0	Yes (1)	Yes (1)	Yes (1)	Yes (1)	CAPITAL MARKETS	35.000000000000	0	Yes (1)	Yes (1)	COMPANY I LLC	1.800000000000	Yes (1)	0	Yes (1)
GOLDMAN SACHS
B	0	0	Yes (1)	Yes (1)	Yes (1)	Yes (1)	CAPITAL MARKETS	35.000000000000	0	Yes (1)	Yes (1)	PRODUCTS INC	1.700000000000	Yes (1)	0	Yes (1)
CITIGROUP FINANCIAL
C	0	0	Yes (1)	Yes (1)	Yes (1)	0					Yes (1)	PRODUCTS INC	0.800000000000	Yes (1)	0	Yes (1)
MERRILL LYNCH
D	0	0	Yes (1)	Yes (1)	Yes (1)	Yes (1)	CAPITAL SERVICES	35.000000000000	0	Yes (1)	0				0	Yes (1)

Procedures Corrective Action ProceduresCorrectiveActionGrp (4 entries)

Bond ReferenceBondReferenceCd	Procedures Corrective ActionProceduresCorrectiveActionInd
A	Yes (1)
B	Yes (1)
C	Yes (1)
D	Yes (1)

Supplemental Information Detail SupplementalInformationDetail (7 entries)

Form And Line ReferenceFormAndLineReferenceDesc	ExplanationExplanationTxt
PART I BOND ISSUES (F) DESCRIPTION OF PURPOSE	(A) FINANCING A PORTION OF THE FOLLOWING PROJECTS: TENANT IMPROVEMENTS AND FIT OUT OF LEASED SPACE; CONSTRUCTION AND RENOVATION OF OPERATING ROOMS AT AN AMBULATORY SURGERY CENTER; RENOVATIONS TO VARIOUS CLINICAL AREAS. FINANCING A PORTION OF THE FOLLOWING PROJECTS: ACQUISITION OF A FACILITY AND A SMALL PARCEL OF VACANT LAND; CONSTRUCTION OF A CARDIOVASCULAR CENTER; THE ACQUISITION AND INSTALLATION OF CAPITAL EQUIPMENT AND CONSTRUCTION OF IMPROVEMENTS AND RENOVATIONS TO VARIOUS EXISTING FACILITIES. FINANCING A PORTION OF THE CONSTRUCTION AND RENOVATION OF FACILITIES. FINANCING THE ACQUISITION AND IMPROVEMENTS OF A PORTION OF A BUILDING AND INSTALLATION OF CAPITAL EQUIPMENT THEREIN. REFINANCING MASSACHUSETTS HEALTH & EDUCATIONAL FACILITIES AUTHORITY REVENUE BONDS, NEWTON-WELLESLEY HOSPITAL ISSUE, SERIES E, ISSUED 9/20/95. (B) FINANCING A PORTION OF CONSTRUCTION OF A CARDIOVASCULAR CENTER. FINANCING THE FOLLOWING PROJECTS: A PORTION OF THE CONSTRUCTION OF A BUILDING AND A RECEIVING DOCK; A PORTION OF THE COST OF ACQUISITION OF CONDOMINIUM UNITS; AND RENOVATIONS TO CLINICAL SPACE. FINANCING RENOVATIONS AND IMPROVEMENTS TO INPATIENT CLINICAL AREAS. FINANCING A PORTION OF THE FOLLOWING PROJECTS: CONSTRUCTION AND EQUIPPING OF AN AMBULATORY CARE CENTER; THE ACQUISITION AND INSTALLATION OF A SYSTEM-WIDE REVENUE MANAGEMENT SYSTEM. (C) REFINANCING MASSACHUSETTS HEALTH & EDUCATIONAL FACILITIES AUTHORITY REVENUE BONDS, PARTNERS HEALTHCARE SYSTEM ISSUE, SERIES G-1 AND G-3, ISSUED 6/28/07. REFINANCING MASSACHUSETTS HEALTH & EDUCATIONAL FACILITIES AUTHORITY VARIABLE RATE DEMAND REVENUE BONDS, NEWTON-WELLESLEY HOSPITAL ISSUE, SERIES F, ISSUED 11/16/1995. (D) FINANCING RENOVATIONS AND IMPROVEMENTS TO AN EMERGENCY DEPARTMENT. FINANCING A PORTION OF THE FOLLOWING PROJECTS: THE CONSTRUCTION OF A BUILDING AND A RECEIVING DOCK; CONSTRUCTION AND EQUIPPING OF A MULTI-SPECIALTY AMBLUATORY CARE CENTER; AND RENOVATIONS TO CLINICAL SPACE. FINANCING PLANNING COSTS INCLUDING ENVIRONMENTAL REMEDIATION COSTS ASSOCIATED WITH THE DEVELOPMENT OF A NEW REHABILITATION HOSPITAL FACILITY. FINANCING A PORTION OF THE FOLLOWING PROJECTS: THE ACQUISITION AND INSTALLATION OF A SYSTEM-WIDE REVENUE MANAGEMENT SYSTEM AND AN ACUTE CARE DOCUMENTATION MANAGEMENT SYSTEM. REFINANCING MASSACHUSETTS HEALTH & EDUCATIONAL FACILITIES AUTHORITY REVENUE BONDS, PARTNERS HEALTHCARE SYSTEM ISSUE, SERIES C. REFINANCING MASSACHUSETTS HEALTH & EDUCATIONAL FACILITIES AUTHORITY REVENUE BONDS, PARTNERS HEALTHCARE SYSTEM ISSUE, SERIES D-1, D-2 & D-4.
PART I BOND ISSUES (F) DESCRIPTION OF PURPOSE (CONTINUE)	(E) FINANCING THE CONSTRUCTION OF A NEW BUILDING AT BRIGHAM AND WOMEN'S HOSPITAL'S MAIN CAMPUS AND A NEW BUILDING TO HOUSE A 132-BED REPLACEMENT FACILITY FOR SPAULDING REHABILITATION HOSPITAL. FINANCING THE CONSTRUCTION OF AN UNDERGROUND PARKING FACILITY. FINANCING THE ACQUISITION AND INSTALLATION OF A SYSTEM-WIDE REVENUE MANAGEMENT AND CLINICAL APPLICATION SYSTEM. FINANCING THE CONSTRUCTION OF A TWO STORY DATA CENTER AND A NEW POWER PLANT. FINANCING THE RENOVATION, EQUIPPING AND FURNISHING OF VARIOUS FACILITIES. REFINANCING MASSACHUSETTS DEVELOPMENT FINANCE AGENCY, PARTNERS HEALTHCARE SYSTEM ISSUE, SERIES K-3. REFINANCING MASSACHUSETTS HEALTH & EDUCATIONAL FACILITIES AUTHORITY, PARTNERS HEALTHCARE SYSTEM ISSUE, SERIES D-3. (F) REFINANCING MASSACHUSETTS HEALTH & EDUCATIONAL FACILITIES AUTHORITY REVENUE BONDS, PARTNERS HEALTHCARE SYSTEM ISSUE, SERIES F-4. REFINANCING MASSACHUSETTS HEALTH & EDUCATIONAL FACILITIES AUTHORITY REVENUE BONDS, PARTNERS HEALTHCARE SYSTEM ISSUE, SERIES I-1. (G) FINANCING THE CONSTRUCTION OF A NEW BUILDING AT BRIGHAM AND WOMEN'S HOSPITAL'S MAIN CAMPUS. FINANCING THE CONSTRUCTION OF AN UNDERGROUND PARKING FACILITY. FINANCING THE CONSTRUCTION OF A TWO STORY DATA CENTER AND A NEW POWER PLANT. FINANCING THE ACQUISITION AND INSTALLATION OF A SYSTEM-WIDE REVENUE MANAGEMENT AND CLINICAL APPLICATION SYSTEM. REFINANCING MASSACHUSETTS HEALTH & EDUCATIONAL FACILITIES AUTHORITY REVENUE BONDS, PARTNERS HEALTHCARE SYSTEM ISSUE, SERIES F-5. REFINANCING MASSACHUSETTS HEALTH & EDUCATIONAL FACILITIES AUTHORITY REVENUE BONDS, PARTNERS HEALTHCARE SYSTEM ISSUE, SERIES G-5.
PART I BOND ISSUES (F) DESCRIPTION OF PURPOSE (CONTINUE)	(H) FINANCING THE CONSTRUCTION OF A NEW BUILDING AT BRIGHAM AND WOMEN'S HOSPITAL'S MAIN CAMPUS. FINANCING THE RENOVATION OF A NEONATAL INTENSIVE CARE UNIT AND CONSTRUCTION OF A SPECIAL CARE NURSERY. FINANCING THE CONSTRUCTION OF A TWO STORY DATA CENTER. FINANCING THE ACQUISITION AND INSTALLATION OF A SYSTEM-WIDE REVENUE MANAGEMENT AND CLINICAL APPLICATION SYSTEM. REFINANCING INTERIM BORROWING MASSACHUSETTS HEALTH & EDUCATIONAL FACILITIES AUTHORITY REVENUE BONDS, PARTNERS HEALTHCARE SYSTEM ISSUE, SERIES K-4. REFINANCING MASSACHUSETTS HEALTH & EDUCATIONAL FACILITIES AUTHORITY REVENUE BONDS, PARTNERS HEALTHCARE SYSTEM ISSUE, SERIES F-5. REFINANCING MASSACHUSETTS HEALTH & EDUCATIONAL FACILITIES AUTHORITY REVENUE BONDS, PARTNERS HEALTHCARE SYSTEM ISSUE, SERIES G-5. (I) REFINANCING MASSACHUSETTS HEALTH & EDUCATIONAL FACILITIES AUTHORITY REVENUE BONDS, PARTNERS HEALTHCARE SYSTEM ISSUE, SERIES G-5. REFINANCING MASSACHUSETTS HEALTH & EDUCATIONAL FACILITIES AUTHORITY REVENUE BONDS, PARTNERS HEALTHCARE SYSTEM ISSUE, SERIES G-6. REFINANCING MASSACHUSETTS HEALTH & EDUCATIONAL FACILITIES AUTHORITY REVENUE BONDS, PARTNERS HEALTHCARE SYSTEM ISSUE, SERIES I-2 & I-3. REFINANCING MASSACHUSETTS HEALTH & EDUCATIONAL FACILITIES AUTHORITY REVENUE BONDS, PARTNERS HEALTHCARE SYSTEM ISSUE, SERIES J-1. REFINANCING MASSACHUSETTS DEVELOPMENT FINANCE AGENCY, PARTNERS HEALTHCARE SYSTEM ISSUE, SERIES K-5. REFINANCING MASSACHUSETTS DEVELOPMENT FINANCE AGENCY, PARTNERS HEALTHCARE SYSTEM ISSUE, SERIES L. REFINANCING MASSACHUSETTS DEVELOPMENT FINANCE AGENCY, PARTNERS HEALTHCARE SYSTEM ISSUE, SERIES M-3 & M-5. REFINANCING NEW HAMPSHIRE HEALTH AND EDUCATION FACILITIES AUTHORITY REVENUE BONDS, WENTWORTH-DOUGLAS HOSPITAL ISSUE, SERIES 2011 A. REFINANCING NEW HAMPSHIRE HEALTH AND EDUCATION FACILITIES AUTHORITY REVENUE BONDS, WENTWORTH-DOUGLAS HOSPITAL ISSUE, SERIES 2016 A & B. (J) REFINANCING LINE OF CREDIT DRAW, WHICH WAS USED TO FINANCE A PORTION OF THE COSTS OF CONSTRUCTION, IMPROVEMENT, RENOVATION AND EQUIPPING OF CERTAIN MASSACHUSETTS EYE AND EAR (MEE) FACILITIES. REFINANCING MASSACHUSETTS HEALTH & EDUCATIONAL FACILITIES AUTHORITY REVENUE BONDS, MASSACHUSETTS EYE AND EAR INFIRMARY ISSUE, SERIES D. REFINANCING MASSACHUSETTS DEVELOPMENT FINANCE AGENCY, PARTNERS HEALTHCARE SYSTEM ISSUE, SERIES M-2. (K) CONSTRUCTION OF A BUILDING AND RENOVATION OF AN EXISTING BUILDING, ON THE MAIN CAMPUS OF NORTH SHORE MEDICAL CENTER, INC.'S SALEM HOSPITAL. RENOVATION AND EQUIPPING OF THE BRIGHAM AND WOMEN'S HEALTH CARE CENTER IN WESTWOOD. ACQUISITION, RENOVATION AND EQUIPPING OF 830 AND 850 BOYLSTON STREET IN BOSTON. RENOVATION AND EQUIPPING OF THE BRIGHAM AND WOMEN'S/MASS GENERAL HEALTH CARE CENTER AT FOXBOROUGH. REFINANCING MASSACHUSETTS DEVELOPMENT FINANCE AGENCY, PARTNERS HEALTHCARE SYSTEM ISSUE, SERIES O-3. REFINANCING MASSACHUSETTS DEVELOPMENT FINANCE AGENCY, PARTNERS HEALTHCARE SYSTEM ISSUE, SERIES M-1. REFINANCING MASSACHUSETTS DEVELOPMENT FINANCE AGENCY, PARTNERS HEALTHCARE SYSTEM ISSUE, SERIES J-2. (L) REFINANCING MASSACHUSETTS DEVELOPMENT FINANCE AGENCY, PARTNERS HEALTHCARE SYSTEM ISSUE, SERIES R-1. REFINANCING MASS GENERAL BRIGHAM TAXABLE COMMERCIAL PAPER NOTES, SERIES B-1, THAT REFINANCED ON AN INTERIM BASIS, MASSACHUSETTS DEVELOPMENT FINANCE AGENCY, PARTNERS HEALTHCARE SYSTEM ISSUE, SERIES S-5.
PART II PROCEEDS (3)	TOTAL PROCEEDS INCLUDE INVESTMENT EARNINGS.
PART III, LINE 9	WITH RESPECT TO PROPERTY FOR WHICH POTENTIAL PRIVATE USE HAS BEEN IDENTIFIED AT THE TIME OF ISSUANCE OR MAY BE ANTICIPATED, MASS GENERAL BRIGHAM INCORPORATED DOES NOT UTILIZE TAX-EXEMPT BOND FINANCING FOR THAT PORTION OF THE PROPERTY. MASS GENERAL BRIGHAM INCORPORATED HAS PROCEDURES IN PLACE THAT PERMITS MONITORING OF ANY PRIVATE USES ARISING POST-ISSUANCE.
PART IV ARBITRAGE (1)	FORM 8038-T HAS NOT BEEN FILED AS ARBITRAGE REBATE PAYMENTS HAVE NOT BEEN REQUIRED. A 7/16/2020 B 7/7/2022 C 5/16/2023 D 2/24/2021 E 1/25/2019 F 10/11/2019 G 3/5/2020 H 2/2/2021 I 11/11/2022
PART IV ARBITRAGE, LINE 4E	ONE OF THE ORIGINAL TWO QUALIFIED HEDGES WAS AMENDED AND DEEMED TERMINATED IN 2020. (A) 2020

Schedule K IRS990ScheduleK

Tax Exempt Bonds Issues TaxExemptBondsIssuesGrp (4 entries)

Bond ReferenceBondReferenceCd	Bond Issuer EINBondIssuerEIN	CUSIPCUSIPNum	Bond IssuedBondIssuedDt	Issue PriceIssuePriceAmt	PurposePurposeDesc	DefeasedDefeasedInd	On Behalf Of IssuerOnBehalfOfIssuerInd	Pool FinancingPoolFinancingInd
MDFA PARTNERS HEALTHCARE SYSTEM INC SERIES M
A	043431814	57583UG77	2014-01-30	$510,376,675	SERIES M - SEE SCHEDULE K PART VI	0	0	0
MDFA PARTNERS HEALTHCARE SYSTEM SERIES N-1 AND N-2
B	043431814		2014-08-27	$141,350,000	SERIES N - SEE SCHEDULE K PART VI	0	0	0
MDFA PARTNERS HEALTHCARE SYSTEM SERIES O
C	043431814	57583UW20	2015-01-29	$357,583,529	SERIES O - SEE SCHEDULE K PART VI	Yes (1)	0	0
MDFA PARTNERS HEALTHCARE SYSTEM SERIES Q
D	043431814	57584XJG7	2016-01-28	$491,625,624	SERIES Q - SEE SCHEDULE K PART VI	0	0	0

Tax Exempt Bonds Proceeds TaxExemptBondsProceedsGrp (4 entries)

Bond ReferenceBondReferenceCd	RetiredRetiredAmt	Total ProceedsTotalProceedsAmt	Issuance Costs From ProceedsIssuanceCostsFromProceedsAmt	Capital ExpendituresCapitalExpendituresAmt	Other Spent ProceedsOtherSpentProceedsAmt	Substantial CompletionSubstantialCompletionYr	Refunding Tax Exempt BondsRefundingTaxExemptBondsInd	Refunding Taxable BondsRefundingTaxableBondsInd	Final Allocation MadeFinalAllocationMadeInd	Adequate Books And Rec MaintAdequateBooksAndRecMaintInd	Bond DefeasedBondDefeasedAmt
A	$486,705,000	$510,376,950	$4,042,015	$360,854,935	$145,480,000	2014	Yes (1)	0	Yes (1)	Yes (1)
B	$17,100,000	$141,350,000			$141,350,000	2009	Yes (1)	0	Yes (1)	Yes (1)
C	$89,685,000	$359,440,557	$2,813,646	$214,703,942	$141,922,969	2015	0	Yes (1)	Yes (1)	Yes (1)	$58,100,000
D	$29,070,000	$492,608,063	$3,731,911	$402,774,737	$86,101,415	2016	Yes (1)	Yes (1)	Yes (1)	Yes (1)

Tax Exempt Bonds Private Bus Use TaxExemptBondsPrivateBusUseGrp (4 entries)

Bond ReferenceBondReferenceCd	Owning Bond Financed PropertyOwningBondFinancedPropertyInd	Any Lease ArrangementsAnyLeaseArrangementsInd	Mgmt Contract Bond Fincd PropMgmtContractBondFincdPropInd	Any Research AgreementsAnyResearchAgreementsInd	Bond Iss Meet Prvt Sec Pymt TestBondIssMeetPrvtSecPymtTestInd	Change In Use Bond Financed PropChangeInUseBondFinancedPropInd	Procs Nonqualified Bond RemdtdProcsNonqualifiedBondRemdtdInd
A	0	0	0	0	0	0	Yes (1)
B	0	0	0	0	0	0	Yes (1)
C	0	0	0	0	0	0	Yes (1)
D	0	0	0	0	0	0	Yes (1)

Tax Exempt Bonds Arbitrage TaxExemptBondsArbitrageGrp (4 entries)

Bond ReferenceBondReferenceCd	Form8038 T FiledForm8038TFiledInd	Rebate Not Due YetRebateNotDueYetInd	Exception To RebateExceptionToRebateInd	No Rebate DueNoRebateDueInd	Variable Rate IssueVariableRateIssueInd	Hedge Identified In Bks And RecHedgeIdentifiedInBksAndRecInd	Business Name Line2HedgeProviderName/BusinessNameLine2Txt	Term Of HedgeTermOfHedgePct	Superintegrated HedgeSuperintegratedHedgeInd	Hedge TerminatedHedgeTerminatedInd	Gross Proceeds Invested In GICGrossProceedsInvestedInGICInd	Gross Proceeds InvestedGrossProceedsInvestedInd	Written Proc To Monitor ReqsWrittenProcToMonitorReqsInd
BEAR STEARNS
A	0	0	Yes (1)	Yes (1)	Yes (1)	Yes (1)	CAPITAL MARKETS	35.000000000000	0	0	0	0	Yes (1)
BANK OF AMERICA
B	0	0	Yes (1)	Yes (1)	Yes (1)	Yes (1)	NA	35.000000000000	0	Yes (1)	0	0	Yes (1)
BEAR STEARNS
C	0	0	Yes (1)	Yes (1)	Yes (1)	Yes (1)	CAPITAL MARKETS	35.000000000000	0	0	0	0	Yes (1)
(no name)
D	0	0	Yes (1)	Yes (1)	0	0					0	0	Yes (1)

Procedures Corrective Action ProceduresCorrectiveActionGrp (4 entries)

Bond ReferenceBondReferenceCd	Procedures Corrective ActionProceduresCorrectiveActionInd
A	Yes (1)
B	Yes (1)
C	Yes (1)
D	Yes (1)

Schedule K IRS990ScheduleK

Tax Exempt Bonds Issues TaxExemptBondsIssuesGrp (4 entries)

Bond ReferenceBondReferenceCd	Bond Issuer EINBondIssuerEIN	CUSIPCUSIPNum	Bond IssuedBondIssuedDt	Issue PriceIssuePriceAmt	PurposePurposeDesc	DefeasedDefeasedInd	On Behalf Of IssuerOnBehalfOfIssuerInd	Pool FinancingPoolFinancingInd
MDFA PARTNERS HEALTHCARE SYSTEM SERIES S
A	043431814	57584X8W4	2017-12-28	$1,187,892,482	SERIES S - SEE SCHEDULE K PART VI	0	0	0
MDFA PARTNERS HEALTHCARE SYSTEM SERIES T-1 AND T-2
B	043431814	57584YPF0	2019-01-29	$158,250,000	SERIES T - SEE SCHEDULE K PART VI	0	0	0
MDFA MASS GENERAL BRIGHAM INCORPORATED SERIES 2020 A
C	043431814	57584YWK1	2020-01-29	$384,146,531	SERIES A - SEE SCHEDULE K PART VI	0	0	0
MDFA MASS GENERAL BRIGHAM INCORPORATED SERIES 2022 B
D	043431814		2022-10-03	$100,230,000	SERIES B - SEE SCHEDULE K PART VI	0	0	0

Tax Exempt Bonds Proceeds TaxExemptBondsProceedsGrp (4 entries)

Bond ReferenceBondReferenceCd	RetiredRetiredAmt	Total ProceedsTotalProceedsAmt	Issuance Costs From ProceedsIssuanceCostsFromProceedsAmt	Other Spent ProceedsOtherSpentProceedsAmt	Substantial CompletionSubstantialCompletionYr	Refunding Tax Exempt BondsRefundingTaxExemptBondsInd	Refunding Taxable BondsRefundingTaxableBondsInd	Final Allocation MadeFinalAllocationMadeInd	Adequate Books And Rec MaintAdequateBooksAndRecMaintInd	Capital ExpendituresCapitalExpendituresAmt
A	$219,360,000	$1,218,798,835	$5,920,978	$1,212,877,857	2016	Yes (1)	Yes (1)	Yes (1)	Yes (1)
B	$35,000,000	$158,250,000		$158,250,000	2014	Yes (1)	Yes (1)	Yes (1)	Yes (1)
C	$28,355,000	$384,146,531	$1,510,330	$138,765,169	2019	Yes (1)	0	Yes (1)	Yes (1)	$243,871,031
D		$100,230,000		$100,230,000	2016	Yes (1)	Yes (1)	Yes (1)	Yes (1)

Tax Exempt Bonds Private Bus Use TaxExemptBondsPrivateBusUseGrp (4 entries)

Bond ReferenceBondReferenceCd	Owning Bond Financed PropertyOwningBondFinancedPropertyInd	Any Lease ArrangementsAnyLeaseArrangementsInd	Mgmt Contract Bond Fincd PropMgmtContractBondFincdPropInd	Any Research AgreementsAnyResearchAgreementsInd	Bond Iss Meet Prvt Sec Pymt TestBondIssMeetPrvtSecPymtTestInd	Change In Use Bond Financed PropChangeInUseBondFinancedPropInd	Procs Nonqualified Bond RemdtdProcsNonqualifiedBondRemdtdInd
A	0	0	0	0	0	0	Yes (1)
B	0	0	0	0	0	0	Yes (1)
C	0	0	0	0	0	0	Yes (1)
D	0	0	0	0	0	0	Yes (1)

Tax Exempt Bonds Arbitrage TaxExemptBondsArbitrageGrp (4 entries)

Bond ReferenceBondReferenceCd	Form8038 T FiledForm8038TFiledInd	Rebate Not Due YetRebateNotDueYetInd	Exception To RebateExceptionToRebateInd	No Rebate DueNoRebateDueInd	Variable Rate IssueVariableRateIssueInd	Hedge Identified In Bks And RecHedgeIdentifiedInBksAndRecInd	Business Name Line2HedgeProviderName/BusinessNameLine2Txt	Term Of HedgeTermOfHedgePct	Superintegrated HedgeSuperintegratedHedgeInd	Hedge TerminatedHedgeTerminatedInd	Gross Proceeds Invested In GICGrossProceedsInvestedInGICInd	Gross Proceeds InvestedGrossProceedsInvestedInd	Written Proc To Monitor ReqsWrittenProcToMonitorReqsInd
BANK OF AMERICA
A	0	0	Yes (1)	Yes (1)	Yes (1)	Yes (1)	NA	27.000000000000	0	0	0	0	Yes (1)
JPMORGAN CHASE BANK
B	0	Yes (1)	0	0	Yes (1)	Yes (1)	NA	29.400000000000	0	0	0	0	Yes (1)
(no name)
C	0	Yes (1)	0	0	0	0					0	0	Yes (1)
BANK OF AMERICA
D	0	Yes (1)	0	0	Yes (1)	Yes (1)	NA	29.700000000000	0	0	0	0	Yes (1)

Procedures Corrective Action ProceduresCorrectiveActionGrp (4 entries)

Bond ReferenceBondReferenceCd	Procedures Corrective ActionProceduresCorrectiveActionInd
A	Yes (1)
B	Yes (1)
C	Yes (1)
D	Yes (1)

Schedule L IRS990ScheduleL

Bus Tr Involve Interested Prsn BusTrInvolveInterestedPrsnGrp (10 entries)

Relationship DescriptionRelationshipDescriptionTxt	TransactionTransactionAmt	TransactionTransactionDesc	Sharing Of RevenuesSharingOfRevenuesInd
T BYRNE
FAMILY - HOCKFIELD	$20,000	SALARY-MGPO	0
E BYRNE
FAMILY - HOCKFIELD	$77,837	SALARY-MGPO	0
K HOLMAN
FAMILY - HOLMAN	$48,261	SALARY-GHC	0
R SOBERMAN
FAMILY - KLIBANSKI	$130,000	SALARY-MGPO	0
A THORNDIKE
FAMILY - THORNDIKE	$213,728	SALARY-MGPO	0
A WALLS
FAMILY - WALLS	$356,080	SALARY-BWPO	0
SUFFOLK CONSTRUCTION
DIRECTOR - FISH	$27,128,876	CONSTR SVCS	0
NPP DEVELOPMENT
DIRECTOR - KRAFT	$8,303,375	LEASE	0
NPS LLC
DIRECTOR - KRAFT	$1,500,000	MARKETING	0
INTERSYSTEMS
DIRECTOR - RAGON	$708,539	PROD & SVCS	0

Schedule O IRS990ScheduleO

Supplemental Information Detail SupplementalInformationDetail (12 entries)

Form And Line ReferenceFormAndLineReferenceDesc	ExplanationExplanationTxt
STATEMENT OF PROGRAM SERVICE ACCOMPLISHMENTS	MASS GENERAL BRIGHAM INCORPORATED ESTABLISHED IN MARCH 1994, IS THE CORPORATION OVERSEEING THE AFFILIATION OF BRIGHAM, INC. THE MASSACHUSETTS GENERAL HOSPITAL, NSMC HEALTHCARE, INC., NEWTON-WELLESLEY HEALTH CARE SYSTEM, INC., SPAULDING REHABILITATION, INC., MASS GENERAL BRIGHAM HEALTH PLAN, INC., AND THE FOUNDATION OF THE MASSACHUSETTS EYE AND EAR INFIRMARY, INC. MASS GENERAL BRIGHAM IS DEVELOPING AN INTEGRATED HEALTH CARE DELIVERY SYSTEM THROUGHOUT THE REGION THAT OFFERS PATIENTS A CONTINUUM OF COORDINATED, HIGH-QUALITY CARE. THE SYSTEM INCLUDES PRIMARY CARE PHYSICIANS AND SPECIALISTS, COMMUNITY HOSPITALS, THE TWO FOUNDING ACADEMIC MEDICAL CENTERS (MGH AND BWH) AND OTHER HEALTH-RELATED ENTITIES. MASS GENERAL BRIGHAM IS CREATING A FRAMEWORK IN WHICH ALL ASPECTS OF THE HEALTH CARE DELIVERY SYSTEM ARE COORDINATED BETWEEN AND AMONG PROVIDERS AND FACILITIES. MASS GENERAL BRIGHAM IMPROVES THE QUALITY OF HEALTH CARE AND FURTHER SERVES THE PUBLIC AT LARGE BY SUPPORTING ITS MEMBER ORGANIZATIONS SO THAT THEY MAY PURSUE THEIR PATIENT CARE, TEACHING AND RESEARCH MISSIONS. THE MEMBER ORGANIZATIONS OF MASS GENERAL BRIGHAM HAVE JOINED TOGETHER IN A COMMITMENT TO SERVE THE COMMUNITY. TOGETHER, THESE ORGANIZATIONS ARE DEDICATED TO ENHANCING PATIENT CARE, TEACHING AND RESEARCH, AND TO TAKING A LEADERSHIP ROLE AS AN INTEGRATED HEALTH CARE SYSTEM. MASS GENERAL BRIGHAM IS COMMITTED TO LEADING THE WAY IN DESIGNING INTEGRATED PATIENT AND FAMILY-CENTERED CARE WITH THE GOALS OF ENHANCING THE QUALITY OF PATIENT CARE AND SLOWING THE INCREASE IN HEALTH CARE COSTS. MASS GENERAL BRIGHAM INCORPORATED IS COMMITTED TO WORKING WITH COMMUNITY RESIDENTS AND ORGANIZATIONS TO MAKE MEASURABLE, SUSTAINABLE IMPROVEMENTS IN THE HEALTH STATUS OF UNDERSERVED POPULATIONS. MASS GENERAL BRIGHAM AND ITS HOSPITALS ARE MAKING A DIFFERENCE IN THE COMMUNITIES IN WHICH WE LIVE AND WORK THROUGH INITIATIVES ON WORKFORCE DEVELOPMENT, PREVENTION AND ACCESS TO HEALTH CARE. IN ADDITION, MASS GENERAL BRIGHAM HOSPITALS HAVE PROVIDED CARE TO MORE THAN 100,000 UNINSURED AND MEDICAID PATIENTS ANNUALLY. MASS GENERAL BRIGHAM COMMUNITY BENEFIT PROGRAMS AND GRANTS FOCUS ON THREE IMPORTANT AREAS: ENHANCING ACCESS TO HEALTH CARE - MASS GENERAL BRIGHAM AND ITS HOSPITALS ARE COMMITTED TO WORKING WITH COMMUNITY RESIDENTS AND ORGANIZATIONS TO MAKE MEASURABLE AND SUSTAINABLE IMPROVEMENTS IN THE HEALTH STATUS OF UNDERSERVED POPULATIONS. WE SEEK TO INCREASE ACCESS TO QUALITY CARE REGARDLESS OF PATIENTS' ABILITY TO PAY, INSURANCE STATUS, OR OTHER POTENTIAL BARRIERS TO CARE. - MASS GENERAL BRIGHAM LICENSED AND AFFILIATED HEALTH CENTERS PROVIDE CARE TO 325,000 PATIENTS. - SINCE 1998, MASS GENERAL BRIGHAM HAS COMMITTED A TOTAL OF MORE THAN $83 MILLION TO ENSURE THAT HEALTH CENTERS HAVE THE SPACE AND TECHNOLOGY THEY NEED TO PROVIDE THEIR PATIENTS WITH EXCELLENT CARE. - MASS GENERAL BRIGHAM INVESTS MORE THAN $27 MILLION ANNUALLY IN OPERATING FUNDS TO STRENGTHEN COMMUNITY HEALTH CENTERS. BUILDING TOMORROW'S HEALTH CARE WORKFORCE - MASS GENERAL BRIGHAM INCORPORATED'S COMMITMENT TO PROVIDING ACCESS TO JOBS WITH FAMILY-SUSTAINING WAGES, EXCELLENT BENEFITS, AND OPPORTUNITIES FOR ADVANCEMENT IS A FOUNDATIONAL PRINCIPLE FOR MASS GENERAL BRIGHAM'S WORKFORCE DEVELOPMENT PROGRAMS. THROUGH CAREER PIPELINES FOR YOUTH, ADULT COMMUNITY RESIDENTS, AND CURRENT WORKERS, MBG CREATES EMPLOYMENT, TRAINING, AND EDUCATIONAL OPPORTUNITIES FOR INDIVIDUALS AND CONTRIBUTES TO THE ECONOMIC HEALTH OF COMMUNITIES IN WHICH THEY LIVE. - THOUSANDS OF MASS GENERAL BRIGHAM EMPLOYEES HAVE PARTICIPATED IN INTERNAL SKILL DEVELOPMENT OPPORTUNITIES. - MORE THAN 600 ADULT COMMUNITY RESIDENTS HAVE GRADUATED FROM OUR HEALTH CARE TRAINING AND EDUCATION PROGRAM OVER THE PAST 14 YEARS. - MORE THAN 400 STUDENTS EACH YEAR ARE EMPLOYED BY BRIGHAM AND WOMEN'S HOSPITAL (BWH), BRIGHAM AND WOMEN'S FAULKNER HOSPITAL (BWFH), MASSACHUSETTS GENERAL HOSPITAL (MGH), AND NORTH SHORE MEDICAL CENTER (NSMC) DURING THE SUMMER. MASS GENERAL BRIGHAM OFFERS MENTORING, ACADEMIC TUTORING, CAREER EXPOSURE, AND SCHOLARSHIP PROGRAMS TO AREA HIGH SCHOOL STUDENTS IMPROVING HEALTH THROUGH PREVENTION - MASS GENERAL BRIGHAM AND ITS HOSPITALS PROVIDE EFFECTIVE, COORDINATED, AND MEASURABLE LOCAL SUPPORT TO ADDRESS AND PREVENT SOCIO-MEDICAL PROBLEMS THAT FACE OUR COMMUNITIES. WE RAISE AWARENESS, ADVOCATE FOR PUBLIC POLICY CHANGES, IMPLEMENT PREVENTION PROGRAMS, AND SUCCESSFULLY DEVELOP ADDITIONAL TREATMENT RESOURCES TO HELP COMMUNITY RESIDENTS STAY HEALTHY. - MASS GENERAL BRIGHAM HOSPITALS' DOMESTIC VIOLENCE PROGRAMS HAVE SERVED 17,000 CLIENTS SINCE 1997. - OVER THE PAST 13 YEARS THE REVERE CARES SUBSTANCE ABUSE PREVENTION PROGRAM HAS HELPED REDUCE BINGE DRINKING BY 39% AND SMOKING BY 32% AMONG REVERE HIGH SCHOOL STUDENTS. CLINICIAN-LED INITIATIVES MASS GENERAL BRIGHAM'S PEOPLE SHARE A PASSIONATE COMMITMENT TO HEAL AND TO CARE FOR THOSE IN NEED. MASS GENERAL BRIGHAM SUPPORTS THE PASSION OF DEDICATED CLINICIANS BOTH DIRECTLY AND BY "SEEDING" THEIR START-UP INITIATIVES SO THEY CAN TACKLE COMPLEX HEALTH CARE CHALLENGES AND HELP MEET THE EVOLVING MEDICAL NEEDS OF THE GLOBAL COMMUNITY. FROM RESEARCH ON INFECTIOUS DISEASES INCLUDING HIV/AIDS AND TUBERCULOSIS AND BUILDING COMMUNITY-BASED TREATMENT PROGRAMS FOR THESE DISEASES, TO BUILDING CARDIAC SURGERY CENTERS IN RWANDA AND TRAINING PHYSICIANS IN UGANDA, INITIATIVES FUNDED BY MASS GENERAL BRIGHAM HAVE GROWN INTO WORLD-CLASS INSTITUTES SUPPORTED BY MAJOR PHILANTHROPISTS AND FOUNDATIONS. PLEASE VISIT: HTTPS://WWW.MASSGENERALBRIGHAM.ORG/WHO-WE-ARE FOR MORE INFORMATION ABOUT SPECIFIC MASS GENERAL BRIGHAM'S PROGRAMS AND INITIATIVES.
FORM 990, PART VI, SECTION A, LINE 2	BUSINESS AND FAMILY RELATIONSHIPS MARC CASPER & SCOTT SPERLING - BUSINESS RELATIONSHIP NIYUM GANDHI & GREGG MEYER - BUSINESS RELATIONSHIP SUSAN HOCKFIELD & PHILLIP RAGON - BUSINESS RELATIONSHIP SUSAN HOCKFIELD & DIANE PATRICK - BUSINESS RELATIONSHIP DIANE PATRICK & SCOTT SPERLING - BUSINESS RELATIONSHIP
FORM 990, PART VI, SECTION A, LINE 6	DECISIONS OF GOVERNING BODY SUBJECT TO MEMBER APPROVAL PURSUANT TO THE CORPORATE BYLAWS OF THE ORGANIZATION, THE AUTHORITY FOR THE FOLLOWING ACTIONS IS RESERVED TO THE MEMBERS OF THE ORGANIZATION: - MEMBERS SHALL DETERMINE THE NUMBER OF MASS GENERAL BRIGHAM DIRECTORS AND SHALL ELECT MASS GENERAL BRIGHAM DIRECTORS. MEMBERS MAY, BY A VOTE, INCREASE THE NUMBER OF MASS GENERAL BRIGHAM DIRECTORS. - MEMBERS MAY DECREASE THE NUMBER OF MASS GENERAL BRIGHAM DIRECTORS, BUT ONLY TO ELIMINATE VACANCIES EXISTING BY REASON OF THE DEATH, RESIGNATION OR REMOVAL OF ONE OR MORE ELECTED MASS GENERAL BRIGHAM DIRECTORS. - MEMBERS MAY REMOVE A MASS GENERAL BRIGHAM DIRECTOR WITH OR WITHOUT CAUSE BY VOTE. - MEMBERS MAY AMEND MASS GENERAL BRIGHAM BYLAWS IN WHOLE OR IN PART OR MAY REPEAL AND ADOPT NEW BYLAWS. MEMBERS MAY ADOPT, AMEND OR REPEAL ANY BYLAW, INCLUDING ANY BYLAWS ADOPTED, AMENDED OR REPEALED BY THE DIRECTORS. PURSUANT TO THE LAWS OF MASSACHUSETTS, THE AUTHORITY FOR THE FOLLOWING ACTIONS IS RESERVED TO THE MEMBER OF THE ORGANIZATION: - AMEND OR RESTATE THE ARTICLES OF ORGANIZATION - CONSOLIDATION OR MERGER - SALE, LEASE, EXCHANGE OR DISPOSITION OF ALL OR SUBSTANTIALLY ALL OF THE ORGANIZATIONS PROPERTY OR ASSETS.
FORM 990, PART VI, SECTION A, LINE 7A	EXECUTIVE COMMITTEE UNLESS THE DIRECTORS OTHERWISE DETERMINE, ANY EXECUTIVE COMMITTEE APPOINTED BY THE DIRECTORS SHALL HAVE ALL OF THE POWERS OF THE DIRECTORS DURING INTERVALS BETWEEN MEETINGS OF THE DIRECTORS, EXCEPT FOR THE POWERS SPECIFIED IN SECTION 55 OF CHAPTER 156B OF THE MASSACHUSETTS GENERAL LAWS.
FORM 990, PART VI, SECTION A, LINE 7B	SEE STATEMENT ON QUESTION 6
FORM 990, PART VI, SECTION B, LINE 11B	FORM 990 REVIEW THE FORM 990 WAS PREPARED AND REVIEWED BY THE MASS GENERAL BRIGHAM TAX DEPARTMENT. CERTAIN KEY SECTIONS WERE ALSO REVIEWED BY THE MASS GENERAL BRIGHAM CFO AND TREASURER; AND BY THE MASS GENERAL BRIGHAM CHIEF LEGAL OFFICER. THE CFO AND TREASURER REVIEWED AND SIGNED THE FORM 990. THE PROCESS FOR PREPARING AND REVIEWING FORM 990 WAS DISCUSSED AT THE MAY 2, 2024 MEETING OF THE AUDIT AND COMPLIANCE COMMITTEE OF THE MASS GENERAL BRIGHAM BOARD OF DIRECTORS. THE COMPENSATION DISCLOSURES WERE PROVIDED TO THE MASS GENERAL BRIGHAM COMPENSATION COMMITTEE WHICH MET ON MAY 7, 2024. THE FINAL FILING VERSION OF THE FORM 990 WAS PROVIDED TO EACH VOTING BOARD MEMBER PRIOR TO FILING.
FORM 990, PART VI, SECTION B, LINE 12C	CONFLICT OF INTEREST POLICY FOR PURPOSES OF ITS ANNUAL TAX FILING, MASS GENERAL BRIGHAM INCORPORATED HAS AN ANNUAL QUESTIONNAIRE PROCESS FOR OBTAINING INFORMATION ON INTERESTS THAT MAY GIVE RISE TO CONFLICTS FROM ALL OFFICERS, DIRECTORS, TRUSTEES AND KEY EMPLOYEES. IN ADDITION, IN CONNECTION WITH MASS GENERAL BRIGHAM'S CONFLICT OF INTEREST POLICY, THE MASS GENERAL BRIGHAM OFFICE FOR INTERACTIONS WITH INDUSTRY AND OFFICE OF THE GENERAL COUNSEL WORK TOGETHER TO PERIODICALLY DISTRIBUTE, COLLECT AND REVIEW DISCLOSURE STATEMENTS FROM THESE INDIVIDUALS. THE INFORMATION ON EACH SUCH DISCLOSURE IS REVIEWED BY EACH INDIVIDUAL'S SUPERVISOR (WHO IN THE CASE OF DIRECTORS AND TRUSTEES IS DEEMED TO CONSIST OF THE CHAIRMAN OF THE BOARD AND THE ENTITY'S PRESIDENT/CEO, WHO REVIEW THE DISCLOSURES WITH THE ASSISTANCE OF THE GENERAL COUNSEL OR ATTORNEY REPRESENTATIVES OF HER OFFICE). MASS GENERAL BRIGHAM HAS A CONFLICT OF INTEREST POLICY THAT APPLIES TO ALL ENTITIES IN THE SYSTEM, AND WHICH IS DESIGNED TO: (1) IDENTIFY RELATIONSHIPS AND CONDUCT THAT CREATE EITHER CONFLICTS OF INTEREST OR CONFLICTS OF COMMITMENT; (2) ESTABLISH A SYSTEM FOR DISCLOSING AND RESOLVING POTENTIAL CONFLICTS; AND (3) ENSURE THAT TRANSACTIONS ARE NEGOTIATED AT ARM'S LENGTH AND THAT PAYMENTS ARE AT FAIR MARKET VALUE. UNDER OUR POLICY, WHEN A CONFLICT ARISES, THE INDIVIDUAL ASSOCIATED WITH THE OUTSIDE ENTITY IN QUESTION MUST PROVIDE FULL DISCLOSURE AND COMPLETELY RECUSE HIM/HERSELF FROM ANY INSTITUTIONAL DECISION-MAKING ABOUT THE TRANSACTION. IN APPROPRIATE CIRCUMSTANCES, (I) THE CORPORATION MUST CONSIDER AT LEAST TWO ALTERNATIVE DISINTERESTED COMPETITIVE PROPOSALS; OR MUST DETERMINE THAT TWO SUCH COMPETITIVE PROPOSALS DO NOT EXIST OR THAT IT WOULD BE IMPRACTICAL TO ELICIT OR CONSIDER SUCH COMPETITIVE PROPOSALS; AND (II) THE CORPORATION MUST DETERMINE THAT, NOTWITHSTANDING THE APPARENT CONFLICT, THE TRANSACTION IS FAIR AND REASONABLE TO THE CORPORATION AND IS IN THE BEST INTERESTS OF THE CORPORATION. A WRITTEN RECORD MUST BE MADE OF THESE DETERMINATIONS. FURTHERMORE, TRANSACTIONS THAT PRESENT PARTICULARLY SIGNIFICANT CONFLICTS ARE REVIEWED BY AN INDEPENDENT COMMITTEE OF MASS GENERAL BRIGHAM, WHICH REVIEW IS ALSO DOCUMENTED. CONFLICTS OF COMMITMENT BY THE MASS GENERAL BRIGHAM PRESIDENT AND CEO ARE ADDRESSED BY REQUIRING OUTSIDE ACTIVITIES TO BE APPROVED BY THE MASS GENERAL BRIGHAM BOARD CHAIR. AS INSTITUTIONS ARE ADDED TO MASS GENERAL BRIGHAM INCORPORATED THERE IS A TRANSITION PERIOD.
FORM 990, PART VI, SECTION B, LINE 15	PROCESS FOR DETERMINING COMPENSATION THE ORGANIZATION HAS A BOARD LEVEL COMPENSATION COMMITTEE THAT REVIEWS AND APPROVES THE COMPENSATION FOR ALL LISTED OFFICERS AND KEY EMPLOYEES EXCEPT THE SECRETARY. THE COMMITTEE IS COMPRISED OF MEMBERS OF THE BOARD WHO ARE NOT EMPLOYED BY THE ORGANIZATION, AND NO MEMBER MAY PARTICIPATE IN THE REVIEW AND APPROVAL OF COMPENSATION IF THE MEMBER HAS A CONFLICT OF INTEREST WITH RESPECT TO THAT COMPENSATION ARRANGEMENT. THE COMMITTEE RELIES ON DATA, PROVIDED BY AN INDEPENDENT COMPENSATION CONSULTANT, WHICH INCLUDES COMPARABLE COMPENSATION FOR SIMILARLY QUALIFIED PERSONS, IN FUNCTIONALLY COMPARABLE POSITIONS, AT SIMILARLY SITUATED ORGANIZATIONS. THE DELIBERATIONS AND DECISIONS OF THE COMMITTEE ARE DOCUMENTED IN MINUTES OF THE MEETING. THIS REVIEW PROCESS OCCURS AT LEAST ON AN ANNUAL AND PROSPECTIVE BASIS.
FORM 990, PART VI, SECTION C, LINE 18	N/A
FORM 990, PART VI, SECTION C, LINE 19	PUBLIC AVAILABILITY OF FINANCIAL STATEMENTS AND GOVERNING DOCUMENTS THE ORGANIZATION'S GOVERNING DOCUMENTS ARE FILED WITH THE MASSACHUSETTS SECRETARY OF STATE AND THE FINANCIAL STATEMENTS ARE FILED WITH THE MASSACHUSETTS ATTORNEY GENERAL, ALL OF WHICH ARE OPEN TO PUBLIC INSPECTION. THE ORGANIZATION'S CONFLICT OF INTEREST POLICY IS AVAILABLE ON THE ORGANIZATION'S WEBSITE.
FORM 990, PART XI, LINE 9:	CHANGE IN FUNDED STATUS OF DEFINED BENEFIT PLANS 463,500,598. NON-SERVICE RELATED PENSION INCOME 233,827,096.
FORM 990, PART XII, LINE 2C:	NO CHANGES FROM PRIOR YEAR.

Schedule R IRS990ScheduleR

Id Disregarded Entities IdDisregardedEntitiesGrp (19 entries)

Address Line1USAddress/AddressLine1Txt	CityUSAddress/CityNm	State AbbreviationUSAddress/StateAbbreviationCd	ZIPUSAddress/ZIPCd	EINEIN	Primary ActivitiesPrimaryActivitiesTxt	Legal Domicile StateLegalDomicileStateCd	Total IncomeTotalIncomeAmt	End Of Year AssetsEndOfYearAssetsAmt	Business Name Line1DirectControllingEntityName/BusinessNameLine1Txt
PARTNERS HEALTHCARE INTERNATIONAL LLC
800 BOYLSTON STREET	BOSTON	MA	02199	205281203	GLOBAL HEALTH CARE	MA	$7,117	$542,775	MGB
MERRIMACK VALLEY ENDOSCOPY LLC
ONE PARKWAY	HAVERHILL	MA	01830	043578297	MEDICAL SERVICES	MA	$5,215,932	$230,516	MGBCP
PARTNERS INNOVATION II LLC
800 BOYLSTON STREET	BOSTON	MA	02199	814444790	INVESTMENTS	MA	$0	$67,488,283	MGB
MASS GENERAL BRIGHAM VENTURES LLC
800 BOYLSTON STREET	BOSTON	MA	02199	814431654	INVESTMENTS	MA	$0	$0	MGB
MASSACHUSETTS EYE & EAR ASSOCIATES LLC
243 CHARLES STREET	BOSTON	MA	02114	474262843	BILLING SERVICES	MA	$486	$0	MEEA
PORTLAND INVESTMENTS-PIA LLC
101 MERRIMAC STREET	BOSTON	MA	02114		INVESTMENTS	ME	$0	$18,423,825	MGBPI
PORTLAND INVESTMENTS-EP LLC
101 MERRIMAC STREET	BOSTON	MA	02114		INVESTMENTS	ME	$0	$16,631,906	MGBPI
MASS GENERAL INTERNATIONAL LLC
55 FRUIT STREET	BOSTON	MA	02114	831131673	GLOBAL HEALTH CARE	MA	$2,051,752	$9,868	MGPO
CODAMETRIX LLC
55 FRUIT STREET	BOSTON	MA	02114	823924135	MEDICAL CODING SOFTWARE	MA	$0	$0	MGPO
BRIGHAM HEALTH INTERNATIONAL LLC
75 FRANCIS STREET	BOSTON	MA	02115	831118331	GLOBAL HEALTH CARE	MA	$1,384,347	$7,209,937	BH
SPAULDING INTERNATIONAL LLC
300 FIRST AVENUE	CHARLESTOWN	MA	02129	831146009	GLOBAL HEALTH CARE	MA	$16,672	$397,399	SRH
MCLEAN INTERNATIONAL LLC
399 REVOLUTION DRIVE	SOMERVILLE	MA	02145	371930840	GLOBAL HEALTH CARE	MA	$0	$0	MCLEAN
MEEA - CAPE COD PHO LLC
243 CHARLES STREET	BOSTON	MA	02114	833091607	BILLING SERVICES	MA	$31	$0	MEEA
MEEA - WINCHESTER PHO LLC
243 CHARLES STREET	BOSTON	MA	02114	833077580	BILLING SERVICES	MA	$0	$0	MEEA
HOUSTON OCD PROPERTIES LLC
708 E 19TH STREET	HOUSTON	TX	77008		OWNS THE PROPERTY OF MCLEAN HOUSTON	TX	$0	$0	MCLEAN
MASS GENERAL BRIGHAM HEALTH PLAN SELECT LLC
399 REVOLUTION DRIVE	SOMERVILLE	MA	02145	844317115	INSURANCE COMPANY - HMO	MA	-$37,720	$1,101,869	MGBHP
MASS GENERAL BRIGHAM GP III LLC
215 FIRST STREET SUITE 500	CAMBRIDGE	MA	02142	861874441	INVESTMENTS	MA	$0	$33,224,433	MGB
MASSACHUSETTS EYE & EAR ASSOCIATES NORTH SUBURBAN
243 CHARLES STREET	BOSTON	MA	02114	300976066	BILLING SERVICES	MA	$926,019	$0	MEEA
NSPG BILLING
2 CORPORATION WAY SUITE 180	PEABODY	MA	01960	874097366	BILLING SERVICES	MA	$0	$0	NSPG

Id Related Tax Exempt Org IdRelatedTaxExemptOrgGrp (51 entries)

Address Line1USAddress/AddressLine1Txt	CityUSAddress/CityNm	State AbbreviationUSAddress/StateAbbreviationCd	ZIPUSAddress/ZIPCd	EINEIN	Primary ActivitiesPrimaryActivitiesTxt	Legal Domicile StateLegalDomicileStateCd	Exempt Code SectionExemptCodeSectionTxt	Public Charity StatusPublicCharityStatusTxt	Business Name Line1DirectControllingEntityName/BusinessNameLine1Txt	Controlled OrganizationControlledOrganizationInd	Address Line1ForeignAddress/AddressLine1Txt	CityForeignAddress/CityNm	Province Or StateForeignAddress/ProvinceOrStateNm	CountryForeignAddress/CountryCd	Legal Domicile Foreign CountryLegalDomicileForeignCountryCd
THE MASSACHUSETTS GENERAL HOSPITAL (MGH)
55 FRUIT STREET	BOSTON	MA	02114	041564655	HEALTHCARE	MA	501(C)(3)	7	MGB	Yes (1)
THE GENERAL HOSPITAL COPORATION (GHC)
55 FRUIT STREET	BOSTON	MA	02114	042697983	HOSPITAL	MA	501(C)(3)	3	MGH	Yes (1)
MASSACHUSETTS GENERAL PHYSICIANS ORGANIZATION INC (MGPO)
55 FRUIT STREET	BOSTON	MA	02114	042807148	PROVIDES PHYSICIAN SERVICES	MA	501(C)(3)	10	MGH	Yes (1)
THE MGH INSTITUTE OF HEALTH PROFESSIONS INC (IHP)
36 FIRST AVENUE	CHARLESTOWN	MA	02129	042868893	MED EDUCATION	MA	501(C)(3)	2	MGH	Yes (1)
THE MCLEAN HOSPITAL CORPORATION (MCL)
115 MILL STREET	BELMONT	MA	02478	042697981	HOSPITAL	MA	501(C)(3)	3	MGB	Yes (1)
MARTHA'S VINEYARD HOSPITAL INC (MVH)
LINTON LANE PO BOX 1477	OAK BLUFFS	MA	02557	042104691	HEALTHCARE	MA	501(C)(3)	3	MGH	Yes (1)
WNR INC (WNR)
1 LINTON LANE	OAK BLUFFS	MA	02557	043419920	NURSING SVCS.	MA	501(C)(3)	10	MVH	Yes (1)
NANTUCKET COTTAGE HOSPITAL (NCH)
57 PROSPECT STREET	NANTUCKET	MA	02554	042103823	HOSPITAL	MA	501(C)(3)	3	MGH	Yes (1)
BRIGHAM INC (BH)
75 FRANCIS STREET	BOSTON	MA	02115	042921338	ADMIN SUPPORT	MA	501(C)(3)	7	MGB	Yes (1)
THE BRIGHAM AND WOMEN'S HOSPITAL INC (BWH)
75 FRANCIS STREET	BOSTON	MA	02115	042312909	HOSPITAL	MA	501(C)(3)	3	BH	Yes (1)
BIOSCIENCES RESEARCH FOUNDATION INC (BRF)
75 FRANCIS STREET	BOSTON	MA	02115	222483849	PROMOTE RES.	MA	501(C)(3)	12A	BH	Yes (1)
BWH RESEARCH INC (BWHR)
75 FRANCIS STREET	BOSTON	MA	02115	043011445	MED RESEARCH	MA	501(C)(3)	12A	BH	Yes (1)
BRIGHAM COMMUNITY PRACTICES INC (BCP)
75 FRANCIS STREET	BOSTON	MA	02115	222588069	PROVIDES PHYSICIAN SERVICES	MA	501(C)(3)	10	BH	Yes (1)
BRIGHAM AND WOMEN'S PHYSICIANS ORGANIZATION INC (BWPO)
75 FRANCIS STREET	BOSTON	MA	02115	043466314	PROVIDES PHYSICIAN SERVICES	MA	501(C)(3)	10	BH	Yes (1)
BRIGHAM AND WOMEN'S FAULKNER HOSPITAL INC (BWFH)
1153 CENTRE STREET	BOSTON	MA	02130	042768256	HOSPITAL	MA	501(C)(3)	3	BH	Yes (1)
SPAULDING REHABILITATION INC (SR)
PRUDENTIAL TOWER 800 BOYLSTON STREE	BOSTON	MA	02199	260003495	ADMIN SUPPORT	MA	501(C)(3)	12A	MGB	Yes (1)
THE SPAULDING REHABILITATION HOSPITAL CORPORATION (SRH)
300 FIRST AVENUE	CHARLESTOWN	MA	02129	042551124	HOSPITAL	MA	501(C)(3)	3	SR	Yes (1)
REHABILITATION HOSPITAL OF THE CAPE & ISLANDS CORPORATION (RHCI)
311 SERVICE ROAD	EAST SANDWICH	MA	02537	043071419	HOSPITAL	MA	501(C)(3)	3	SR	Yes (1)
SHAUGHNESSY-KAPLAN REHABILITATION HOSPITAL INC (SKRH)
DOVE AVENUE	SALEM	MA	01970	043067082	HEALTHCARE	MA	501(C)(3)	3	SR	Yes (1)
MASS GENERAL BRIGHAM HOME CARE INC (MGBHC)
95 WELLS AVENUE	NEWTON	MA	02459	042918280	HOME HEALTH	MA	501(C)(3)	10	MGB	Yes (1)
SPAULDING NURSING AND THERAPY CENTER BRIGHTON INC (SNTCB)
101 MERRIMAC STREET	BOSTON	MA	02114	222632121	HEALTHCARE	MA	501(C)(3)	3	SR	Yes (1)
NORTH SHORE MEDICAL CENTER INC (NSMC)
81 HIGHLAND AVENUE	SALEM	MA	01970	043399616	HOSPITAL	MA	501(C)(3)	3	MGBCD	Yes (1)
NORTH SHORE PHYSICIANS GROUP INC (NSPG)
81 HIGHLAND AVENUE	SALEM	MA	01970	043080484	PROVIDES PHYSICIAN SERVICES	MA	501(C)(3)	12A	MGBCD	Yes (1)
NEWTON-WELLESLEY HOSPITAL (NWH)
2014 WASHINGTON STREET	NEWTON	MA	02462	042103611	HOSPITAL	MA	501(C)(3)	3	MGBCD	Yes (1)
NEWTON-WELLESLEY MEDICAL GROUP INC (NWMG)
2014 WASHINGTON STREET	NEWTON	MA	02462	222560501	PROVIDES PHYSICIAN SERVICES	MA	501(C)(3)	10	MGBCD	Yes (1)
PARTNERS MEDICAL INTERNATIONAL INC (PMI)
100 CAMBRIDGE STREET	BOSTON	MA	02114	043197711	MED. TRAINING	MA	501(C)(3)	12A	MGB	Yes (1)
SPAULDING HOSPITAL-CAMBRIDGE INC (SHC)
1575 CAMBRIDGE STREET	CAMBRIDGE	MA	02138	270273715	HOSPITAL	MA	501(C)(3)	3	SR	Yes (1)
NANTUCKET PHYSICIAN ORGANIZATION INC(NPO)
57 PROSPECT STREET	NANTUCKET	MA	02554	264349357	PROVIDES PHYSICIAN SERVICES	MA	501(C)(3)	10	MGH	Yes (1)
MASS GENERAL BRIGHAM HEALTH PLAN INC (MGBHP)
253 SUMMER STREET	BOSTON	MA	02210	042932021	INSURANCE	MA	501(C)(4)	NONE	MGB	Yes (1)
COOLEY DICKINSON HOSPITAL INC (CDH)
30 LOCUST STREET	NORTHAMPTON	MA	01060	222617175	HOSPITAL	MA	501(C)(3)	3	CDHC	Yes (1)
VNA & HOSPICE OF COOLEY DICKINSON INC (VHCD)
168 INDUSTRIAL DRIVE	NORTHAMPTON	MA	01060	042104788	HOME HEALTH	MA	501(C)(3)	10	CDHC	Yes (1)
COOLEY DICKINSON HEALTH CARE CORPORATION (CDHC)
30 LOCUST STREET	NORTHAMPTON	MA	01060	042103561	ADMIN SUPPORT	MA	501(C)(3)	12B	MGH	Yes (1)
CD PRACTICE ASSOCIATES INC (CDPA)
POBOX 911	NORTHAMPTON	MA	01060	043194547	PROVIDES PHYSICIAN SERVICES	MA	501(C)(3)	10	CDHC	Yes (1)
WENTWORTH-DOUGLASS HOSPITAL (WDH)
789 CENTRAL AVE	DOVER	NH	03820	020260334	HOSPITAL	NH	501(C)(3)	3	MGH	Yes (1)
WENTWORTH-DOUGLASS PHYSICIAN CORPORATION (WDPC)
789 CENTRAL AVE	DOVER	NH	03820	020497927	PROVIDES PHYSICIAN SERVICES	NH	501(C)(3)	3	WDH	Yes (1)
WENTWORTH-DOUGLASS HOSPITAL & HEALTH FOUNDATION (WDHF)
789 CENTRAL AVE	DOVER	NH	03820	510491062	SUPPORT	NH	501(C)(3)	12B	WDH	Yes (1)
FOUNDATION OF THE MASSACHUSETTS EYE AND EAR INFIMARY INC (FMMEI)
243 CHARLES STREET	BOSTON	MA	02114	042785453	SUPPORT	MA	501(C)(3)	7	MGB	Yes (1)
MASSACHUSETTS EYE & EAR INFIRMARY (MEEI)
243 CHARLES STREET	BOSTON	MA	02114	042103591	HOSPITAL	MA	501(C)(3)	3	FMEEI	Yes (1)
MASSACHUSETTS EYE & EAR ASSOCIATES INC (MEEA)
243 CHARLES STREET	BOSTON	MA	02114	222658209	PROVIDES PHYSICIAN SERVICES	MA	501(C)(3)	10	FMEEI	Yes (1)
MGB POOLED HOLDINGS LLC (MGBPH)
800 BOYLSTON STREET	BOSTON	MA	02199	821715859	SUPPORT ORGANIZATION - HOLDS INTERESTS IN MGBPI	MA	501(C)(3)	12A	MGB	Yes (1)
MASS GENERAL BRIGHAM SPECIALTY PHARMACY INC (MGBSP)
800 BOYLSTON STREET	BOSTON	MA	02199	821707493	SPECIALTY PHARMACY	MA	501(C)(3)	12A	MGB	Yes (1)
MASS GENERAL BRIGHAM URGENT CARE LLC (MGBUC)
920 WINTER STREET	WALTHAM	MA	02451	471683619	URGENT CARE CENTERS	MA	501(C)(3)	10	MGB	Yes (1)
HARBOR MEDICAL ASSOCIATES INC (HMA)
541 MAIN STREET SUITE 400	SO WEYMOUTH	MA	02190	042702579	PROVIDES PHYSICIAN SERVICES	MA	501(C)(3)	10	BH	Yes (1)
SOUTH SHORE ENDOSCOPY CENTER INC (SSEC)
541 MAIN STREET SUITE 400	SO WEYMOUTH	MA	02190	043306443	PROVIDES PHYSICIAN SERVICES	MA	501(C)(3)	10	BH	Yes (1)
MASS GENERAL BRIGHAM COMMUNITY PHYSICIANS INC (MGBCP)
800 BOYLSTON STREET	BOSTON	MA	02199	043236175	ORGANIZE AND OPERATE PHYSICIAN NETWORK	MA	501(C)(3)	10	MGB	Yes (1)
SCHEPENS EYE RESEARCH INSTITUTE INC (SERI)
20 STANIFORD STREET	BOSTON	MA	02114	042129889	RESEARCH	MA	501(C)(3)	7	FMEEI	Yes (1)
MASS GENERAL BRIGHAM MEDICAL GROUP INC (MGBMG)
800 BOYLSTON STREET	BOSTON	MA	02199	841908707	PROVIDES PHYSICIAN SERVICES	MA	501(C)(3)	10	MGB	Yes (1)
FRIENDS OF MASS GENERAL CANADA INC
					ADVANCE EDUCATION THROUGH RESEARCH AT MGH			12A	MGH	Yes (1)	160 ELGIN STREET SUITE 2600	OTTAWA	ONTARIO	CA	CA
MASS GENERAL BRIGHAM HEALTH PLAN HOLDING COMPANY INC (MGBHPHC)
399 REVOLUTION DRIVE	SOMERVILLE	MA	02145	831039882	HOLDING COMPANY	MA	501(C)(3)	12B	MGB	Yes (1)
MASS GENERAL BRIGHAM AMSURG INC (MGBAS)
399 REVOLUTION DRIVE	SOMERVILLE	MA	02145	854372153	HOLDS THE CLINIC LICENSE FOR MGBMG	MA	501(C)(3)	12B	MGB	Yes (1)
MASS GENERAL BRIGHAM COMMUNITY DIVISION INC (MGBCD)
399 REVOLUTION DRIVE	SOMERVILLE	MA	02145	882110204	SUPPORT ORGANIZATION	MA	501(C)(3)	12B	MGB	Yes (1)

Id Related Org Txbl Partnership IdRelatedOrgTxblPartnershipGrp (7 entries)

Address Line1USAddress/AddressLine1Txt	CityUSAddress/CityNm	State AbbreviationUSAddress/StateAbbreviationCd	ZIPUSAddress/ZIPCd	EINEIN	Primary ActivitiesPrimaryActivitiesTxt	Legal Domicile StateLegalDomicileStateCd	Business Name Line1DirectControllingEntityName/BusinessNameLine1Txt	Predominant Income TypePredominantIncomeTypeTxt	Share Of Total IncomeShareOfTotalIncomeAmt	Share Of EOY AssetsShareOfEOYAssetsAmt	Disproportionate AllocationsDisproportionateAllocationsInd	General Or Managing PartnerGeneralOrManagingPartnerInd	OwnershipOwnershipPct
MGB POOLED INVESTMENTS LLC
101 MERRIMAC STREET	BOSTON	MA	02114	043268842	INVESTMENTS	MA	MGB	EXCLUDED	$273,620,288	$13,948,188,473	0	Yes (1)	1.00000
PARTNERS INNOVATION FUND LLC
101 HUNTINGTON AVENUE	BOSTON	MA	02199	262899986	INVESTMENTS	MA	MGB	EXCLUDED		$79,764,323	0	Yes (1)	1.00000
RADIATION THERAPY OF SOUTHEASTERN MA LLC
375 LONGWOOD AVENUE	BOSTON	MA	02115	010873580	RADIATION THERAPY SERVICES	MA	BH	EXCLUDED	$3,480,961	$3,092,628	0	Yes (1)	0.51000
MASS GENERAL BRIGHAM ACO LLC
399 REVOLUTION DRIVE	SOMERVILLE	MA	02145	812762122	ACCOUNTABLE CARE ORGANIZATION	MA	MGB	EXCLUDED	$12,193,656		0	Yes (1)	1.00000
MCLEAN HOUSTON OCD PROGRAM LLC
115 MILL STREET	BELMONT	MA	02478	843042963	PSYCHIATRIC TREATMENT FACILLITY	TX	MCLEAN	EXCLUDED	$1,060,167		0	Yes (1)	0.60000
WENTWORTH SURGERY CENTER LLC
6 WORKS WAY	SOMERSWORTH	NH	03878	900975583	SURGICAL CENTER	NH	WDH	EXCLUDED	$7,237,773	$3,233,978	0	Yes (1)	0.98000
MASS GENERAL BRIGHAM GLOBAL ADVISORY LLC
399 REVOLUTION DRIVE	SOMERVILLE	MA	02145	862788781	HEALTH CARE EDUCATION AND CONSULTING	MA	MGB	EXCLUDED	$3,086,286	$1,379,670	0	Yes (1)	1.00000

Id Related Org Txbl Corp Tr IdRelatedOrgTxblCorpTrGrp (6 entries)

Address Line1USAddress/AddressLine1Txt	CityUSAddress/CityNm	State AbbreviationUSAddress/StateAbbreviationCd	ZIPUSAddress/ZIPCd	EINEIN	Primary ActivitiesPrimaryActivitiesTxt	Legal Domicile StateLegalDomicileStateCd	Business Name Line1DirectControllingEntityName/BusinessNameLine1Txt	Entity TypeEntityTypeTxt	Share Of Total IncomeShareOfTotalIncomeAmt	Share Of EOY AssetsShareOfEOYAssetsAmt	OwnershipOwnershipPct	Controlled OrganizationControlledOrganizationInd
NEWTON-WELLESLEY PHYSICIAN HOSPITAL ORG
2014 WASHINGTON STREET	NEWTON	MA	02462	043209749	HEALTHCARE	MA	NWH	C	$4,925,691	$9,266,055	1.00000	0
MASS GENERAL BRIGHAM HEALTH INSURANCE COMPANY
399 REVOLUTION DRIVE	SOMERVILLE	MA	02145	830970929	INSURANCE COMPANY	MA	MGB	C	$70,206,402	$60,558,144	1.00000	0
HEALTH PARTNERS OF NEW HAMPSHIRE INC
789 CENTRAL AVENUE	DOVER	NH	03820	030443397	MANAGEMENT SERVICES	NH	WDH	C	$724,969	$1,867,324	0.50000	0
WENTWORTH HOMECARE AND HOSPICE LLC
121 BROADWAY SUITE 115	DOVER	NH	03820	872100049	HOMECARE & HOSPICE SERVICES	NH	WDH	C	$5,519,240	$1,598,187	0.50000	0
CODAMETRIX INC
31 ST JAMES AVENUE	BOSTON	MA	02116	872100049	MEDICAL CODING SOFTWARE	MA	MGPO	C	$1,909,864	$4,308,852	1.00000	0
MGBV TH HOLDCO INC
ONE MAIN STREET SUITE 510	CAMBRIDGE	MA	02142	932163190	INVESTMENTS	DE	MGBF III	C			1.00000	0

Field	Value	IRS element (for citing)
Receipt Of Int Annts Rnts Rylts	Yes (1)	ReceiptOfIntAnntsRntsRyltsInd
Gift Grnt Or Cap Contri To Oth Org	Yes (1)	GiftGrntOrCapContriToOthOrgInd
Gift Grnt Cap Contri From Oth Org	Yes (1)	GiftGrntCapContriFromOthOrgInd
Loans Or Guarantees To Other Org	Yes (1)	LoansOrGuaranteesToOtherOrgInd
Loans Or Guarantees From Oth Org	0	LoansOrGuaranteesFromOthOrgInd
Div Related Organization	0	DivRelatedOrganizationInd
Asset Sale To Other Org	0	AssetSaleToOtherOrgInd
Asset Purchase From Other Org	0	AssetPurchaseFromOtherOrgInd
Asset Exchange	0	AssetExchangeInd
Rental Of Facilities To Oth Org	0	RentalOfFacilitiesToOthOrgInd
Rental Of Fclts From Oth Org	Yes (1)	RentalOfFcltsFromOthOrgInd
Perform Of Services For Oth Org	Yes (1)	PerformOfServicesForOthOrgInd
Perform Of Services By Other Org	0	PerformOfServicesByOtherOrgInd
Sharing Of Facilities	Yes (1)	SharingOfFacilitiesInd
Paid Employees Sharing	Yes (1)	PaidEmployeesSharingInd
Reimbursement Paid To Other Org	0	ReimbursementPaidToOtherOrgInd
Reimbursement Paid By Other Org	0	ReimbursementPaidByOtherOrgInd
Transfer To Other Org	0	TransferToOtherOrgInd
Transfer From Other Org	0	TransferFromOtherOrgInd

Transactions Related Org TransactionsRelatedOrgGrp (91 entries)

Transaction TypeTransactionTypeTxt	InvolvedInvolvedAmt	Method Of Amount DeterminationMethodOfAmountDeterminationTxt
BRIGHAM AND WOMEN'S PHYSICIANS ORGANIZATION INC
A	$762,213	FMV
MARTHA'S VINEYARD HOSPITAL
A	$27,808	FMV
THE BRIGHAM AND WOMEN'S HOSPITAL INC
A	$56,223,645	FMV
THE GENERAL HOSPITAL CORPORATION
A	$16,449,030	FMV
THE MASSACHUSETTS GENERAL HOSPITAL
A	$17,650,126	FMV
THE MCLEAN HOSPITAL CORPORATION
A	$5,117,940	FMV
THE SPAULDING REHABILITATION HOSPITAL CORPORATION
A	$215,863	FMV
REHABILITATION HOSPITAL OF THE CAPE AND ISLANDS CORPORATION
A	$69,127	FMV
BRIGHAM AND WOMEN'S FAULKNER HOSPITAL INC
A	$495,034	FMV
NORTH SHORE MEDICAL CENTER INC
A	$8,079,368	FMV
NEWTON-WELLESLEY HOSPITAL
A	$9,428,421	FMV
SPAULDING NURSING AND THERAPY CENTER BRIGHTON INC
A	$24,932	FMV
SPAULDING REHABILITATION INC
A	$293,316	FMV
MASS GENERAL BRIGHAM COMMUNITY PHYSICIANS INC
A	$32,865	FMV
WENTWORTH-DOUGLASS HOSPITAL
A	$3,918,401	FMV
MASSACHUSETTS EYE & EAR INFIRMARY
A	$5,339,813	FMV
COOLEY DICKINSON HOSPITAL INC
A	$1,168,799	FMV
MASSACHUSETTS GENERAL PHYSICIANS ORGANIZATION INC
A	$629,796	FMV
MASS GENERAL BRIGHAM MEDICAL GROUP INC
B	$3,999,819	FMV
SPAULDING REHABILITATION INC
B	$48,000,000	FMV
THE GENERAL HOSPITAL CORPORATION
B	$29,887,984	FMV
MASSACHUSETTS GENERAL PHYSICIANS ORGANIZATION INC
B	$13,735,614	FMV
THE SPAULDING REHABILITATION HOSPITAL CORPORATION
B	$1,302,705	FMV
REHABILITATION HOSPITAL OF THE CAPE AND ISLANDS CORPORATION
B	$195,579	FMV
THE MCLEAN HOSPITAL CORPORATION
B	$4,149,560	FMV
COOLEY DICKINSON HOSPITAL INC
B	$338,322	FMV
MASS GENERAL BRIGHAM HOME CARE INC
B	$639,090	FMV
SPAULDING HOSPITAL-CAMBRIDGE INC
B	$325,674	FMV
MARTHA'S VINEYARD HOSPITAL
B	$2,946,736	FMV
NANTUCKET COTTAGE HOSPITAL
B	$141,206	FMV
WENTWORTH-DOUGLASS HOSPITAL
B	$1,517,130	FMV
BRIGHAM AND WOMEN'S PHYSICIANS ORGANIZATION INC
B	$9,811,731	FMV
BRIGHAM AND WOMEN'S FAULKNER HOSPITAL INC
B	$526,876	FMV
NORTH SHORE MEDICAL CENTER INC
B	$531,688	FMV
NORTH SHORE PHYSICIANS GROUP INC
B	$731,970	FMV
NEWTON-WELLESLEY PHYSICIAN HOSPITAL ORGANIZATION INC
B	$467,986	FMV
MASSACHUSETTS EYE & EAR INFIRMARY
B	$1,391,040	FMV
MASSACHUSETTS EYE & EAR ASSOCIATES INC
B	$484,560	FMV
MASS GENERAL BRIGHAM COMMUNITY PHYSICIANS INC
B	$17,208,608	FMV
SPAULDING NURSING AND THERAPY CENTER BRIGHTON INC
B	$87,021	FMV
THE MASSACHUSETTS GENERAL HOSPITAL
C	$24,672,000	FMV
THE BRIGHAM AND WOMEN'S HOSPITAL INC
C	$8,796,189	FMV
NEWTON-WELLESLEY HOSPITAL
C	$2,572,474	FMV
MASS GENERAL BRIGHAM HEALTH PLAN INC
C	$948,000	FMV
BRIGHAM INC
C	$62,651,960	FMV
COOLEY DICKINSON HEALTH CARE CORPORATION
C	$3,739,858	FMV
FOUNDATION OF THE MASSACHUSETTS EYE AND EAR INFIRMARY INC
C	$5,278,587	FMV
THE MCLEAN HOSPITAL CORPORATION
C	$4,744,060	FMV
MASS GENERAL BRIGHAM HOME CARE INC
C	$1,709,017	FMV
THE MASSACHUSETTS GENERAL HOSPITAL
C	$78,670,839	FMV
MARTHA'S VINEYARD HOSPITAL
C	$1,947,648	FMV
NANTUCKET COTTAGE HOSPITAL
C	$1,089,857	FMV
NORTH SHORE MEDICAL CENTER INC
C	$8,219,407	FMV
NEWTON-WELLESLEY HOSPITAL
C	$9,827,950	FMV
SPAULDING REHABILITATION INC
C	$4,639,283	FMV
WENTWORTH-DOUGLASS HOSPITAL
C	$7,912,583	FMV
THE BRIGHAM AND WOMEN'S HOSPITAL INC
D	$109,470,000	FMV
THE GENERAL HOSPITAL CORPORATION
D	$7,570,000	FMV
THE MCLEAN HOSPITAL CORPORATION
D	$41,800,000	FMV
BRIGHAM AND WOMEN'S FAULKNER HOSPITAL INC
D	$112,110,000	FMV
NORTH SHORE MEDICAL CENTER INC
D	$45,230,000	FMV
NEWTON-WELLESLEY HOSPITAL
D	$46,500,000	FMV
COOLEY DICKINSON HOSPITAL INC
D	$1,620,000	FMV
MASSACHUSETTS EYE & EAR INFIRMARY
D	$19,180,000	FMV
THE MASSACHUSETTS GENERAL HOSPITAL
K	$1,396,978	FMV
MASS GENERAL BRIGHAM URGENT CARE LLC
L	$1,065,162	FMV
MASS GENERAL BRIGHAM MEDICAL GROUP INC
L	$4,661,943	FMV
THE MASSACHUSETTS GENERAL HOSPITAL
L	$86,015,788	FMV
THE GENERAL HOSPITAL CORPORATION
L	$370,874,949	FMV
MASSACHUSETTS GENERAL PHYSICIANS ORGANIZATION INC
L	$30,675,753	FMV
THE SPAULDING REHABILITATION HOSPITAL CORPORATION
L	$20,182,222	FMV
MASS GENERAL BRIGHAM HOME CARE INC
L	$8,267,451	FMV
SPAULDING NURSING AND THERAPY CENTER BRIGHTON INC
L	$2,302,136	FMV
SPAULDING HOSPITAL-CAMBRIDGE INC
L	$5,495,655	FMV
SPAULDING REHABILITATION INC
L	$12,487,743	FMV
REHABILITATION HOSPITAL OF THE CAPE AND ISLANDS CORPORATION
L	$3,793,104	FMV
NANTUCKET COTTAGE HOSPITAL
L	$3,753,077	FMV
THE MCLEAN HOSPITAL CORPORATION
L	$25,614,257	FMV
THE MGH INSTITUTE OF HEALTH PROFESSIONS INC
L	$1,371,420	FMV
WENTWORTH-DOUGLASS HOSPITAL
L	$33,621,754	FMV
COOLEY DICKINSON HOSPITAL INC
L	$12,460,603	FMV
BRIGHAM INC
L	$62,652,909	FMV
THE BRIGHAM AND WOMEN'S HOSPITAL INC
L	$294,725,580	FMV
BRIGHAM AND WOMEN'S PHYSICIANS ORGANIZATION INC
L	$11,367,210	FMV
BRIGHAM AND WOMEN'S FAULKNER HOSPITAL INC
L	$22,609,016	FMV
NORTH SHORE MEDICAL CENTER INC
L	$58,009,927	FMV
NEWTON-WELLESLEY HOSPITAL
L	$60,282,130	FMV
NEWTON-WELLESLEY MEDICAL GROUP INC
L	$540,047	FMV
MASSACHUSETTS EYE & EAR INFIRMARY
L	$33,622,438	FMV
MASS GENERAL BRIGHAM COMMUNITY PHYSICIANS INC
L	$13,540,848	FMV
MASS GENERAL BRIGHAM HEALTH PLAN INC
L	$6,557,461	FMV