Peter W. Greenwald, M.D.
NPI 1255481164ActiveIndividual· Emergency Medicine· Pittsfield, MA
Emergency Medicine (M.D.) in Pittsfield, Massachusetts, trained at State University of New York Downstate Medical Center (class of 1997). In 2024 Medicare paid $10,860 for 92 patients, and Part D covered 119 of their prescriptions, 81% of them generic.
Overview
| NPI | 1255481164 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jan 11, 2007 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 209826 | MA |
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 - Emergency Medicine (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 92 |
|---|---|
| Services billed | 95 across 11 procedure codes |
| Paid by Medicare | $10,860 |
Part D prescriptions in 2024
| Prescriptions (claims) | 119 · 187 30-day fills |
|---|---|
| Patients | 55 |
| Total drug cost | $7,751 |
| Generic share | 81% of claims |
Education and affiliations
| Medical school | State University of New York Downstate Medical Center |
|---|---|
| Graduation year | 1997 |
| Medicare specialty | Emergency Medicine |
| Telehealth | Offers telehealth |
Medical group
- Weill Medical College of CornellNew York, NY · 2,051 clinicians
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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All 27 emergency medicine physicians in Pittsfield · All emergency medicine physicians in Massachusetts