Perry G. An, MD
NPI 1508992934ActiveIndividual· Internal Medicine· Newton, MA
Internal Medicine (MD) in Newton, Massachusetts, trained at New York University School of Medicine (class of 2005). In 2024 Medicare paid $48,841 for 339 patients, and Part D covered 235 of their prescriptions, 89% of them generic.
Overview
| NPI | 1508992934 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Feb 27, 2007 |
| Last updated in NPPES | Oct 26, 2009 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | L-224456 | MA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Hospitalist (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 339 |
|---|---|
| Services billed | 492 across 9 procedure codes |
| Paid by Medicare | $48,841 |
Part D prescriptions in 2024
| Prescriptions (claims) | 235 · 329 30-day fills |
|---|---|
| Patients | 102 |
| Total drug cost | $18,186 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | New York University School of Medicine |
|---|---|
| Graduation year | 2005 |
| Medicare specialty | Hospitalist |
| Secondary specialties | Internal Medicine |
Medical group
- Mass General Brigham Medical Group Suburban Massachusetts IncPembroke, MA · 602 clinicians
Hospital affiliations
- Massachusetts General HospitalBoston, MA
- Newton-Wellesley HospitalNewton, MA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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