Organization Profile
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Counted from individual NPI records registered at the same street address; a shared building can inflate this.
From registry street addresses: providers filed at this building, which can include unrelated practices sharing it.
Showing 12 of 4,762. The full list is in the Related Providers tab.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Source: CMS Care Compare, Hospital General Information, checked 2026-09-12.
13,982 Medicare discharges across 298 diagnosis groups (2024). Groups with fewer than 11 discharges are not published by CMS.
| Diagnosis group | DRG | Discharges | Avg. Medicare payment |
|---|---|---|---|
| Septicemia Or Severe Sepsis Without Mv >96 Hours With Mcc | 871 | 640 | $20,956 |
| Heart Failure and Shock With Mcc | 291 | 466 | $13,441 |
| Respiratory Infections and Inflammations With Mcc | 177 | 329 | $17,031 |
| Cardiac Valve and Other Major Cardiothoracic Procedures Without Cardiac Catheterization | 219 | 263 | $80,983 |
| Percutaneous and Other Intracardiac Procedures Without Mcc | 274 | 256 | $34,351 |
| Circulatory Disorders Except Ami, With Cardiac Catheterization With Mcc | 286 | 200 | $24,648 |
| Endovascular Cardiac Valve Replacement and Supplement Procedures With Mcc | 266 | 196 | $69,785 |
| Craniotomy and Endovascular Intracranial Procedures With Mcc | 025 | 192 | $43,923 |
| Intracranial Hemorrhage Or Cerebral Infarction With Mcc | 064 | 181 | $19,889 |
| Endovascular Cardiac Valve Replacement and Supplement Procedures Without Mcc | 267 | 179 | $51,930 |
Source: CMS Medicare Inpatient Hospitals by Provider and Service. Shows what the hospital admits Medicare patients for and what Medicare paid on average — not quality of care.
55 FRUIT ST FOUNDERS 880
Boston, MA 02114
This rating is published by the Centers for Medicare & Medicaid Services (CMS) and is reproduced here unmodified.
Massachusetts General Physicians Organization is a hospital in Boston, MA. That is the designation recorded for this NPI in the federal registry, where it is listed as “General Acute Care Hospital”.
NPI registry
Massachusetts General Physicians Organization is listed at 55 Fruit St Founders 880, Boston, MA 02114. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (617) 643-8281. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Massachusetts General Physicians Organization's National Provider Identifier is 1073979423. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Not yet. This profile is built from public federal data and has not been confirmed by Massachusetts General Physicians Organization. If this is you, claiming it is free.
Guide.md
Manage this listing? Log in or create an account, then click “This is my practice and I manage it” here. A verified physician whose registry address matches this location is approved instantly; everyone else is reviewed by a person.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.