American Hospital Directory - Massachusetts General Hospital (220071)

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Financial data for hospital cost report period ending 09/30/2025 (HCRIS 831067 - 2010).
Medicare IPPS claims data are for federal fiscal year ending 09/30/2025 (Final rule MedPAR).
Medicare OPPS claims data are for calendar year ending 12/31/2025 (Proposed rule OPPS).
Data from other sources and their effective periods are identified within report headers.
Errata: Please notify us by email of any corrections or updates.

Boston, MA 02114

CMS Certification Number: 220071

Name and Address:	Massachusetts General Hospital 55 Fruit Street Boston, MA 02114
Telephone Number:	(617) 726-2000
Hospital Website:	www.massgeneral.org/
CMS Certification Number:	220071

Type of Facility:	Short Term Acute Care
Type of Control:	Voluntary Nonprofit, Other
Total Staffed Beds:	1,021

Total Patient Revenue:	$15,767,267,230
Total Discharges:	47,091
Total Patient Days:	355,762
TPS Quality Score:	46.83
Patient Experience Rating:

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Cardiovascular Services: Cardiac Cath Lab; Cardiac Rehab; Cardiac Surgery; Carotid Stenting; Coronary Interventions; Electrophysiology; Vascular Intervention; Vascular Surgery
Emergency Services: Emergency Department
Neurosciences: Electroencephalography (EEG); Sleep Studies
Oncology Services: Chemotherapy; Radiation Therapy
Organ Transplant (Medicare certified): Heart Transplant (06/23/2009); Kidney Transplant (06/23/2009); Liver Transplant (06/23/2009); Lung Transplant (06/23/2009); Pancreas Transplant (06/23/2009)
Orthopedic Services: Arthroscopy; Joint Replacement; Spine Surgery
Other Services: Hemodialysis; Lithotripsy (ESWL); Obstetrics

Radiology / Nuclear Medicine / Imaging: Computed Tomography (CT); Computed Tomography-Angiography (CTA); Digital Mammography; Intensity-Modulated Radiation Therapy (IMRT); Magnetic Resonance Angiography (MRA); Magnetic Resonance Imaging (MRI); Positron Emission Tomography (PET); Single Photon Emission Computerized Tomography (SPECT)
Rehabilitation Services: Physical Therapy; Speech Therapy
Special Care: Burn Intensive Care (BICU); Coronary Intensive Care (CCU); Intensive Care Unit (ICU); Neonatal Intensive Care; Pediatric Intensive Care; Surgical Intensive Care (SICU); Trauma Intensive Care
Subprovider Units: Psychiatric
Surgery: Inpatient Surgery; Radiosurgery; Robotic Surgery
Wound Care: Wound Care

Data are from multiple sources / Definitions
ACGME data are from the Graduate Medical Education Database, Copyright 2005, American Medical Association, Chicago, Illinois.
See FREIDA OnLine for more / Last Update
CAHSE data are from the Association of American Medical Colleges / Division of Health Care Affairs / Council of Academic Health System Executives (CAHSE)
See CAHSE website for more / Last Updated 02/04/2026

Teaching status = Yes / Number of interns and Residents = 743 FTEs
Major teaching hospital; member of the Council of Academic Health System Executives (CAHSE)

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	Number Medicare Inpatients	Average Length of Stay	Average Charges	Medicare Case Mix Index (CMI)
Burns	35	11.89	$128,252	4.6719
Cardiology	1,714	7.31	$88,690	1.3473
Cardiovascular Surgery	2,118	6.65	$237,298	5.2636
Gynecology	43	4.26	$90,911	1.5768
Medicine	3,493	6.71	$83,243	1.4829
Neurology	1,076	6.55	$84,729	1.6458
Neurosurgery	503	5.81	$153,038	3.8453
Obstetrics	12	4.92	$56,426	0.9130
Oncology	718	9.75	$277,805	5.8714
Orthopedic Surgery	1,313	6.08	$141,530	2.8856
Orthopedics	397	6.01	$70,505	1.2927
Psychiatry	289	14.93	$111,162	1.3448
Pulmonology	1,176	6.64	$80,402	1.5280
Surgery	2,140	10.60	$228,499	4.1760
Surgery for Malignancy	233	7.08	$159,000	2.7580
Urology	933	7.45	$86,671	1.5006
Vascular Surgery	288	9.93	$181,215	3.1056
Total	16,481	7.54	$140,868	2.7402

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Medicare Hospital Market Service Area File for calendar year ending 12/31/2025 / Definitions

ZIP Code of Residence	Discharges	Days of Care	Charges	Discharges Inc/(Dec)	Market Share
02151	980	7,094	$115,375,120	1.6%	42.6%
02155	669	5,097	$71,045,606	-6.6%	24.0%
02150	641	4,780	$69,142,352	0.3%	46.2%

APC Number	APC Description	Number Patient Claims	Average Charge	Average Cost
5213	Level 3 Electrophysiologic Procedures	965	$48,899	$5,746
5012	Clinic Visits and Related Services	138,885	$212	$144
5623	Level 3 Radiation Therapy	19,798	$5,619	$725
5115	Level 5 Musculoskeletal Procedures	668	$28,900	$5,886
5694	Level 4 Drug Administration	17,182	$2,150	$293
8011	Comprehensive Observation Services	1,998	$3,700	$905
5312	Level 2 Lower GI Procedures	3,734	$2,606	$575
5524	Level 4 Imaging without Contrast	8,025	$3,130	$693
5114	Level 4 Musculoskeletal Procedures	609	$20,756	$4,887
5693	Level 3 Drug Administration	20,513	$945	$213
5193	Level 3 Endovascular Procedures	368	$24,107	$3,835
5594	Level 4 Nuclear Medicine and Related Services	2,827	$6,245	$1,010
5362	Level 2 Laparoscopy and Related Services	361	$33,607	$6,968
5116	Level 6 Musculoskeletal Procedures	203	$28,451	$5,616
5194	Level 4 Endovascular Procedures	168	$24,205	$3,839
5025	Level 5 Type A ED Visits	4,588	$3,619	$885
5361	Level 1 Laparoscopy and Related Services	459	$26,891	$5,735
5626	Level 6 Radiation Therapy	1,503	$31,124	$4,018
5232	Level 2 ICD and Similar Procedures	83	$34,838	$4,296
5572	Level 2 Imaging with Contrast	7,025	$4,136	$669

	Available Beds	Inpatient Days
HOSPITAL (including swing beds)
Routine Services	843	293,381
Special Care	154	48,561
Nursery		13,820
Total Hospital	1,021	363,730

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