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Employer Identification Number 04-2103606

MOUNT AUBURN HOSPITAL is a USA domiciled entity or foreign entity operating in the USA. The EIN ihas been issued by the IRS

Company Name:MOUNT AUBURN HOSPITAL
Employer identification number (EIN):04-2103606
EIN Issuing AuthorityBrookhaven, NY
NAIC Classification:622000
NAIC Description: Hospitals
401k Pension/Benefits registration MOUNT AUBURN HOSPITAL 401k plan information
Federal tax statusExempt from federal income tax. Registered as a non-profit under 501(c)(3) Title 26 of the United States Code

Organization Overview

Mission StatementSEE SCHEDULE O
Number of Employees2739
Number of Volunteers321
Year Formed1871

Organization Governance

Legal DomicileMA
Voting Members - Governing Body22
Voting Members - Independent13

Organization Financials

2024-09-30
Total unrelated business incomeUSD $ 2,895,611
Net unrelated business incomeUSD $ 200,843
Program Service Revenue from prior yearUSD $ 351,347,825
Program Service Revenue from current yearUSD $ 342,256,368
Investment Income from prior yearUSD $ 1,512,059
Investment Income from current yearUSD $ 3,101,996
Other Revenue from prior yearUSD $ 6,529,026
Other Revenue from current yearUSD $ 10,348,127
Gross receipts from all sourcesUSD $ 359,867,737
Net assets / fund balances at end of fiscal yearUSD $ 200,688,775
Net assets / fund balances at beginning of fiscal yearUSD $ 187,424,787
Total liabilities at end of fiscal yearUSD $ 209,168,074
Total liabilities at beginning of fiscal yearUSD $ 203,067,629
Total assets at end of fiscal yearUSD $ 409,856,849
Total assets at beginning of fiscal yearUSD $ 390,492,416
Revenues less expenses for current yearUSD $ -10,887,483
Revenues less expenses for previous yearUSD $ -24,247,614
Total expenses for current yearUSD $ 370,609,153
Total expenses for previous yearUSD $ 390,826,243
Other expenses in current yearUSD $ 219,314,646
Other expenses in previous yearUSD $ 242,518,961
Total fundraising expenses in current yearUSD $ 1,529,036
Professional fundraising fees from current yearUSD $ 44,342
Professional fundraising fees from previous yearUSD $ 42,761
Employee salary and benefits paid in current yearUSD $ 150,635,686
Employee salary and benefits paid in previous yearUSD $ 147,539,903
Benefits paid to or for members in current yearUSD $ 0
Benefits paid to or for members in previous yearUSD $ 0
Grants and similar amounts paid in current yearUSD $ 614,479
Grants and similar amounts paid in previous yearUSD $ 724,618
Total revenue in current fiscal yearUSD $ 359,721,670
Total revenue in previous fiscal yearUSD $ 366,578,629
Contributions and grants from current yearUSD $ 4,015,179
Contributions and grants from previous yearUSD $ 7,189,719
Gross income from fundraising eventsUSD $ 111,255
Total of other revenueUSD $ 10,196,568
2023-09-30
Total unrelated business incomeUSD $ 1,614,261
Net unrelated business incomeUSD $ 0
Program Service Revenue from prior yearUSD $ 339,542,890
Program Service Revenue from current yearUSD $ 351,347,825
Investment Income from prior yearUSD $ 3,938,839
Investment Income from current yearUSD $ 1,512,059
Other Revenue from prior yearUSD $ 12,835,934
Other Revenue from current yearUSD $ 6,529,026
Gross receipts from all sourcesUSD $ 368,224,976
Net assets / fund balances at end of fiscal yearUSD $ 187,424,787
Net assets / fund balances at beginning of fiscal yearUSD $ 194,300,325
Total liabilities at end of fiscal yearUSD $ 203,067,629
Total liabilities at beginning of fiscal yearUSD $ 199,692,525
Total assets at end of fiscal yearUSD $ 390,492,416
Total assets at beginning of fiscal yearUSD $ 393,992,850
Revenues less expenses for current yearUSD $ -24,247,614
Revenues less expenses for previous yearUSD $ -2,238,319
Total expenses for current yearUSD $ 390,826,243
Total expenses for previous yearUSD $ 364,094,507
Other expenses in current yearUSD $ 242,518,961
Other expenses in previous yearUSD $ 212,877,200
Total fundraising expenses in current yearUSD $ 1,643,382
Professional fundraising fees from current yearUSD $ 42,761
Professional fundraising fees from previous yearUSD $ 0
Employee salary and benefits paid in current yearUSD $ 147,539,903
Employee salary and benefits paid in previous yearUSD $ 151,092,798
Benefits paid to or for members in current yearUSD $ 0
Benefits paid to or for members in previous yearUSD $ 0
Grants and similar amounts paid in current yearUSD $ 724,618
Grants and similar amounts paid in previous yearUSD $ 124,509
Total revenue in current fiscal yearUSD $ 366,578,629
Total revenue in previous fiscal yearUSD $ 361,856,188
Contributions and grants from current yearUSD $ 7,189,719
Contributions and grants from previous yearUSD $ 5,538,525
Gross income from fundraising eventsUSD $ 195,538
Total of other revenueUSD $ 6,908,225
2022-09-30
Total unrelated business incomeUSD $ 2,361,760
Net unrelated business incomeUSD $ 0
Program Service Revenue from prior yearUSD $ 323,714,991
Program Service Revenue from current yearUSD $ 339,542,890
Investment Income from prior yearUSD $ 7,937,161
Investment Income from current yearUSD $ 3,938,839
Other Revenue from prior yearUSD $ 8,001,840
Other Revenue from current yearUSD $ 12,835,934
Gross receipts from all sourcesUSD $ 363,556,009
Net assets / fund balances at end of fiscal yearUSD $ 194,300,325
Net assets / fund balances at beginning of fiscal yearUSD $ 246,651,207
Total liabilities at end of fiscal yearUSD $ 199,692,525
Total liabilities at beginning of fiscal yearUSD $ 229,467,744
Total assets at end of fiscal yearUSD $ 393,992,850
Total assets at beginning of fiscal yearUSD $ 476,118,951
Revenues less expenses for current yearUSD $ -2,238,319
Revenues less expenses for previous yearUSD $ 15,835,241
Total expenses for current yearUSD $ 364,094,507
Total expenses for previous yearUSD $ 334,006,731
Other expenses in current yearUSD $ 212,877,200
Other expenses in previous yearUSD $ 176,413,321
Total fundraising expenses in current yearUSD $ 2,429,542
Professional fundraising fees from current yearUSD $ 0
Professional fundraising fees from previous yearUSD $ 152,669
Employee salary and benefits paid in current yearUSD $ 151,092,798
Employee salary and benefits paid in previous yearUSD $ 157,440,741
Benefits paid to or for members in current yearUSD $ 0
Benefits paid to or for members in previous yearUSD $ 0
Grants and similar amounts paid in current yearUSD $ 124,509
Grants and similar amounts paid in previous yearUSD $ 0
Total revenue in current fiscal yearUSD $ 361,856,188
Total revenue in previous fiscal yearUSD $ 349,841,972
Contributions and grants from current yearUSD $ 5,538,525
Contributions and grants from previous yearUSD $ 10,187,980
Gross income from fundraising eventsUSD $ 36,108
Total of other revenueUSD $ 11,511,418
2021-09-30
Total unrelated business incomeUSD $ 3,150,815
Net unrelated business incomeUSD $ 0
Program Service Revenue from prior yearUSD $ 288,600,975
Program Service Revenue from current yearUSD $ 323,714,991
Investment Income from prior yearUSD $ 11,346,088
Investment Income from current yearUSD $ 7,937,161
Other Revenue from prior yearUSD $ 7,161,140
Other Revenue from current yearUSD $ 8,001,840
Gross receipts from all sourcesUSD $ 356,616,157
Net assets / fund balances at end of fiscal yearUSD $ 246,651,207
Net assets / fund balances at beginning of fiscal yearUSD $ 243,972,621
Total liabilities at end of fiscal yearUSD $ 229,467,744
Total liabilities at beginning of fiscal yearUSD $ 230,669,082
Total assets at end of fiscal yearUSD $ 476,118,951
Total assets at beginning of fiscal yearUSD $ 474,641,703
Revenues less expenses for current yearUSD $ 15,835,241
Revenues less expenses for previous yearUSD $ 17,579,944
Total expenses for current yearUSD $ 334,006,731
Total expenses for previous yearUSD $ 318,273,910
Other expenses in current yearUSD $ 176,413,321
Other expenses in previous yearUSD $ 152,764,725
Total fundraising expenses in current yearUSD $ 2,369,144
Professional fundraising fees from current yearUSD $ 152,669
Professional fundraising fees from previous yearUSD $ 0
Employee salary and benefits paid in current yearUSD $ 157,440,741
Employee salary and benefits paid in previous yearUSD $ 165,509,185
Benefits paid to or for members in current yearUSD $ 0
Benefits paid to or for members in previous yearUSD $ 0
Grants and similar amounts paid in current yearUSD $ 0
Grants and similar amounts paid in previous yearUSD $ 0
Total revenue in current fiscal yearUSD $ 349,841,972
Total revenue in previous fiscal yearUSD $ 335,853,854
Contributions and grants from current yearUSD $ 10,187,980
Contributions and grants from previous yearUSD $ 28,745,651
Gross income from fundraising eventsUSD $ 0
Total of other revenueUSD $ 6,614,267
2020-09-30
Total unrelated business incomeUSD $ 1,562,934
Net unrelated business incomeUSD $ 0
Program Service Revenue from prior yearUSD $ 332,826,211
Program Service Revenue from current yearUSD $ 288,600,975
Investment Income from prior yearUSD $ 4,807,614
Investment Income from current yearUSD $ 11,346,088
Other Revenue from prior yearUSD $ 8,635,820
Other Revenue from current yearUSD $ 7,161,140
Gross receipts from all sourcesUSD $ 337,797,706
Net assets / fund balances at end of fiscal yearUSD $ 243,972,621
Net assets / fund balances at beginning of fiscal yearUSD $ 254,397,415
Total liabilities at end of fiscal yearUSD $ 230,669,082
Total liabilities at beginning of fiscal yearUSD $ 187,106,492
Total assets at end of fiscal yearUSD $ 474,641,703
Total assets at beginning of fiscal yearUSD $ 441,503,907
Revenues less expenses for current yearUSD $ 17,579,944
Revenues less expenses for previous yearUSD $ 20,204,075
Total expenses for current yearUSD $ 318,273,910
Total expenses for previous yearUSD $ 329,443,470
Other expenses in current yearUSD $ 152,667,939
Other expenses in previous yearUSD $ 158,532,167
Total fundraising expenses in current yearUSD $ 927,049
Professional fundraising fees from current yearUSD $ 0
Professional fundraising fees from previous yearUSD $ 12,000
Employee salary and benefits paid in current yearUSD $ 165,509,185
Employee salary and benefits paid in previous yearUSD $ 170,176,017
Benefits paid to or for members in current yearUSD $ 0
Benefits paid to or for members in previous yearUSD $ 0
Grants and similar amounts paid in current yearUSD $ 96,786
Grants and similar amounts paid in previous yearUSD $ 723,286
Total revenue in current fiscal yearUSD $ 335,853,854
Total revenue in previous fiscal yearUSD $ 349,647,545
Contributions and grants from current yearUSD $ 28,745,651
Contributions and grants from previous yearUSD $ 3,377,900
Total of other revenueUSD $ 5,936,454
2019-09-30
Total unrelated business incomeUSD $ 2,297,606
Net unrelated business incomeUSD $ 0
Program Service Revenue from prior yearUSD $ 321,182,759
Program Service Revenue from current yearUSD $ 332,826,211
Investment Income from prior yearUSD $ 10,649,716
Investment Income from current yearUSD $ 4,807,614
Other Revenue from prior yearUSD $ 9,493,199
Other Revenue from current yearUSD $ 8,635,820
Gross receipts from all sourcesUSD $ 351,540,231
Net assets / fund balances at end of fiscal yearUSD $ 254,397,415
Net assets / fund balances at beginning of fiscal yearUSD $ 251,773,665
Total liabilities at end of fiscal yearUSD $ 187,106,492
Total liabilities at beginning of fiscal yearUSD $ 192,436,063
Total assets at end of fiscal yearUSD $ 441,503,907
Total assets at beginning of fiscal yearUSD $ 444,209,728
Revenues less expenses for current yearUSD $ 20,204,075
Revenues less expenses for previous yearUSD $ 19,714,189
Total expenses for current yearUSD $ 329,443,470
Total expenses for previous yearUSD $ 325,097,050
Other expenses in current yearUSD $ 158,532,167
Other expenses in previous yearUSD $ 151,466,958
Total fundraising expenses in current yearUSD $ 1,104,380
Professional fundraising fees from current yearUSD $ 12,000
Professional fundraising fees from previous yearUSD $ 19,428
Employee salary and benefits paid in current yearUSD $ 170,176,017
Employee salary and benefits paid in previous yearUSD $ 172,900,945
Benefits paid to or for members in current yearUSD $ 0
Benefits paid to or for members in previous yearUSD $ 0
Grants and similar amounts paid in current yearUSD $ 723,286
Grants and similar amounts paid in previous yearUSD $ 709,719
Total revenue in current fiscal yearUSD $ 349,647,545
Total revenue in previous fiscal yearUSD $ 344,811,239
Contributions and grants from current yearUSD $ 3,377,900
Contributions and grants from previous yearUSD $ 3,485,565
Gross income from fundraising eventsUSD $ 170,085
Total of other revenueUSD $ 7,646,982
2018-09-30
Total unrelated business incomeUSD $ 3,479,730
Net unrelated business incomeUSD $ 0
Program Service Revenue from prior yearUSD $ 310,667,971
Program Service Revenue from current yearUSD $ 321,182,759
Investment Income from prior yearUSD $ 2,309,005
Investment Income from current yearUSD $ 10,649,716
Other Revenue from prior yearUSD $ 8,719,375
Other Revenue from current yearUSD $ 9,493,199
Gross receipts from all sourcesUSD $ 365,152,559
Net assets / fund balances at end of fiscal yearUSD $ 251,773,665
Net assets / fund balances at beginning of fiscal yearUSD $ 251,870,279
Total liabilities at end of fiscal yearUSD $ 192,436,063
Total liabilities at beginning of fiscal yearUSD $ 202,457,060
Total assets at end of fiscal yearUSD $ 444,209,728
Total assets at beginning of fiscal yearUSD $ 454,327,339
Revenues less expenses for current yearUSD $ 19,714,189
Revenues less expenses for previous yearUSD $ -3,352,395
Total expenses for current yearUSD $ 325,097,050
Total expenses for previous yearUSD $ 328,707,249
Other expenses in current yearUSD $ 151,466,958
Other expenses in previous yearUSD $ 147,380,488
Total fundraising expenses in current yearUSD $ 982,229
Professional fundraising fees from current yearUSD $ 19,428
Professional fundraising fees from previous yearUSD $ 0
Employee salary and benefits paid in current yearUSD $ 172,900,945
Employee salary and benefits paid in previous yearUSD $ 180,765,028
Benefits paid to or for members in current yearUSD $ 0
Benefits paid to or for members in previous yearUSD $ 0
Grants and similar amounts paid in current yearUSD $ 709,719
Grants and similar amounts paid in previous yearUSD $ 561,733
Total revenue in current fiscal yearUSD $ 344,811,239
Total revenue in previous fiscal yearUSD $ 325,354,854
Contributions and grants from current yearUSD $ 3,485,565
Contributions and grants from previous yearUSD $ 3,658,503
Gross income from fundraising eventsUSD $ 153,662
Total of other revenueUSD $ 8,492,333
2017-09-30
Total unrelated business incomeUSD $ 2,587,813
Net unrelated business incomeUSD $ -476,319
Program Service Revenue from prior yearUSD $ 330,125,728
Program Service Revenue from current yearUSD $ 310,667,971
Investment Income from prior yearUSD $ 7,407,781
Investment Income from current yearUSD $ 2,309,005
Other Revenue from prior yearUSD $ 9,290,266
Other Revenue from current yearUSD $ 8,719,375
Gross receipts from all sourcesUSD $ 341,330,004
Net assets / fund balances at end of fiscal yearUSD $ 251,870,279
Net assets / fund balances at beginning of fiscal yearUSD $ 271,397,570
Total liabilities at end of fiscal yearUSD $ 202,457,060
Total liabilities at beginning of fiscal yearUSD $ 210,273,979
Total assets at end of fiscal yearUSD $ 454,327,339
Total assets at beginning of fiscal yearUSD $ 481,671,549
Revenues less expenses for current yearUSD $ -3,352,395
Revenues less expenses for previous yearUSD $ 21,974,031
Total expenses for current yearUSD $ 328,707,249
Total expenses for previous yearUSD $ 328,494,330
Other expenses in current yearUSD $ 147,380,488
Other expenses in previous yearUSD $ 149,217,817
Total fundraising expenses in current yearUSD $ 1,018,496
Professional fundraising fees from current yearUSD $ 0
Professional fundraising fees from previous yearUSD $ 0
Employee salary and benefits paid in current yearUSD $ 180,765,028
Employee salary and benefits paid in previous yearUSD $ 179,273,013
Benefits paid to or for members in current yearUSD $ 0
Benefits paid to or for members in previous yearUSD $ 0
Grants and similar amounts paid in current yearUSD $ 561,733
Grants and similar amounts paid in previous yearUSD $ 3,500
Total revenue in current fiscal yearUSD $ 325,354,854
Total revenue in previous fiscal yearUSD $ 350,468,361
Contributions and grants from current yearUSD $ 3,658,503
Contributions and grants from previous yearUSD $ 3,644,586
Gross income from fundraising eventsUSD $ 128,778
Total of other revenueUSD $ 7,718,277
2016-09-30
Total unrelated business incomeUSD $ 2,934,513
Net unrelated business incomeUSD $ -340,439
Program Service Revenue from prior yearUSD $ 316,823,100
Program Service Revenue from current yearUSD $ 330,125,728
Investment Income from prior yearUSD $ 10,827,194
Investment Income from current yearUSD $ 7,407,781
Other Revenue from prior yearUSD $ 9,283,430
Other Revenue from current yearUSD $ 9,290,266
Gross receipts from all sourcesUSD $ 387,329,955
Net assets / fund balances at end of fiscal yearUSD $ 271,397,570
Net assets / fund balances at beginning of fiscal yearUSD $ 268,896,468
Total liabilities at end of fiscal yearUSD $ 210,273,979
Total liabilities at beginning of fiscal yearUSD $ 208,931,541
Total assets at end of fiscal yearUSD $ 481,671,549
Total assets at beginning of fiscal yearUSD $ 477,828,009
Revenues less expenses for current yearUSD $ 21,974,031
Revenues less expenses for previous yearUSD $ 34,174,449
Total expenses for current yearUSD $ 328,494,330
Total expenses for previous yearUSD $ 307,838,741
Other expenses in current yearUSD $ 149,217,817
Other expenses in previous yearUSD $ 128,741,929
Total fundraising expenses in current yearUSD $ 1,038,104
Professional fundraising fees from current yearUSD $ 0
Professional fundraising fees from previous yearUSD $ 0
Employee salary and benefits paid in current yearUSD $ 179,273,013
Employee salary and benefits paid in previous yearUSD $ 178,692,808
Benefits paid to or for members in current yearUSD $ 0
Benefits paid to or for members in previous yearUSD $ 0
Grants and similar amounts paid in current yearUSD $ 3,500
Grants and similar amounts paid in previous yearUSD $ 404,004
Total revenue in current fiscal yearUSD $ 350,468,361
Total revenue in previous fiscal yearUSD $ 342,013,190
Contributions and grants from current yearUSD $ 3,644,586
Contributions and grants from previous yearUSD $ 5,079,466
Gross income from fundraising eventsUSD $ 139,196
Total of other revenueUSD $ 8,311,100
2015-09-30
Total unrelated business incomeUSD $ 3,521,249
Net unrelated business incomeUSD $ -38,111
Program Service Revenue from prior yearUSD $ 307,452,534
Program Service Revenue from current yearUSD $ 316,823,100
Investment Income from prior yearUSD $ 10,887,240
Investment Income from current yearUSD $ 10,827,194
Other Revenue from prior yearUSD $ 8,592,564
Other Revenue from current yearUSD $ 9,283,430
Gross receipts from all sourcesUSD $ 343,719,016
Net assets / fund balances at end of fiscal yearUSD $ 268,896,468
Net assets / fund balances at beginning of fiscal yearUSD $ 268,085,518
Total liabilities at end of fiscal yearUSD $ 208,931,541
Total liabilities at beginning of fiscal yearUSD $ 161,772,267
Total assets at end of fiscal yearUSD $ 477,828,009
Total assets at beginning of fiscal yearUSD $ 429,857,785
Revenues less expenses for current yearUSD $ 34,174,449
Revenues less expenses for previous yearUSD $ 33,204,559
Total expenses for current yearUSD $ 307,838,741
Total expenses for previous yearUSD $ 300,188,552
Other expenses in current yearUSD $ 128,741,929
Other expenses in previous yearUSD $ 124,372,718
Total fundraising expenses in current yearUSD $ 1,084,870
Professional fundraising fees from current yearUSD $ 0
Professional fundraising fees from previous yearUSD $ 0
Employee salary and benefits paid in current yearUSD $ 178,692,808
Employee salary and benefits paid in previous yearUSD $ 174,249,838
Benefits paid to or for members in current yearUSD $ 0
Benefits paid to or for members in previous yearUSD $ 0
Grants and similar amounts paid in current yearUSD $ 404,004
Grants and similar amounts paid in previous yearUSD $ 1,565,996
Total revenue in current fiscal yearUSD $ 342,013,190
Total revenue in previous fiscal yearUSD $ 333,393,111
Contributions and grants from current yearUSD $ 5,079,466
Contributions and grants from previous yearUSD $ 6,460,773
Gross income from fundraising eventsUSD $ 134,460
Total of other revenueUSD $ 8,329,519

Organization Addresses

The following addresses have been detected as associated with Tax Indentification Number 042103606

USA Mailing Address
330 MOUNT AUBURN ST
CAMBRIDGE
MA
02138
Date first seen: 2007-06-01
Date last seen: 2025-08-31
USA Location Address
330 MOUNT AUBURN ST
CAMBRIDGE
MA
021385502
Date first seen: 2016-07-21
Date last seen: 2025-09-16
USA Location Address
330 MOUNT AUBURN STREET
HUMAN RESOURCES DEPT
CAMBRIDGE
MA
02138
Date first seen: 2007-06-01
Date last seen: 2025-08-31
USA Mailing Address
170 CENTRE STREET
MILTON
MA
02186
Date first seen: 2007-01-01
Date last seen: 2025-06-30
USA Location Address
170 CENTRE STREET
MILTON
MA
02186
Date first seen: 2007-01-01
Date last seen: 2025-06-30
USA Mailing Address
330 MOUNT AUBURN STREET
CAMBRIDGE
MA
02138
Date first seen: 2007-06-01
Date last seen: 2026-01-08
USA Mailing Address
330 MOUNT AUBURN ST
CAMBRIDGE
MA
021385502
Date first seen: 2025-09-16
Date last seen: 2025-09-16
USA Mailing Address
CO BILH TAX 529 MAIN ST 4TH FL
CHARLESTOWN
MA
02129
Date first seen: 2007-01-01
Date last seen: 2025-08-15

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The following companies are located in the same ZIP code areas:

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