Arun Chaudhary, M.D.
NPI 1255371043ActiveIndividual· Internal Medicine· Cambridge, MA
Internal Medicine (M.D.) with Massachusetts General Physicians Organization Inc, practicing in Cambridge, Massachusetts. Medicare paid $4,349 for services to 46 patients in 2024. Lexicon Pharmaceuticals, Inc. reported $54.97 in payments in 2025, mostly food and beverage. Lists Beth Israel Deaconess Medical Center and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1255371043 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jun 8, 2006 |
| Last updated in NPPES | Jan 26, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 224431 | MA |
| Internal Medicine | 207R00000X | 12417 | NH |
| Internal Medicine | 207R00000X | 11365 | HI |
| Hospitalist | 208M00000X | 12417 | NH |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 46 |
|---|---|
| Services billed | 48 across 4 procedure codes |
| Paid by Medicare | $4,349 |
Education and affiliations
| Graduation year | 1995 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical group
- Massachusetts General Physicians Organization IncBoston, MA · 3,558 clinicians
Hospital affiliations
- Beth Israel Deaconess Medical CenterBoston, MA
- Brigham and Women's HospitalBoston, MA
- Cambridge Health AllianceCambridge, MA
- Massachusetts General HospitalBoston, MA
- Mount Auburn HospitalCambridge, MA
Industry payments (Open Payments)
- 2025$54.97 · 1 payment from 1 company
- 2024$43.38 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lexicon Pharmaceuticals, Inc. | $54.97 | 1 |
What the 2025 payments were for
- Food and Beverage$54.97 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other internal medicine physicians in Cambridge
- 1013336536
- 1033596374
- 1053554949
- 1104273911
- 1154986933
- 1194775262
- 1295149961
- 1386787778
- 1518375674
- 1548421696
- 1568448488
- 1588612055
All 315 internal medicine physicians in Cambridge · All internal medicine physicians in Massachusetts