Gregory S. Zimmermann, M.D.
NPI 1972601409ActiveIndividual· Radiology, Diagnostic Radiology· Hagerstown, MD
Radiology, Diagnostic Radiology (M.D.) in Hagerstown, Maryland, trained at Loma Linda University School of Medicine (class of 1994). Medicare paid $345,915 for services to 3,421 patients in 2024.
Overview
| NPI | 1972601409 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Sep 20, 2006 |
| Last updated in NPPES | Mar 20, 2025 |
| Certified by provider | Mar 20, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Diagnostic Radiology Primary | 2085R0202X | D56082 | MD |
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 - Diagnostic Radiology (MD); Practitioner - Diagnostic Radiology (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 3,421 |
|---|---|
| Services billed | 21,358 across 175 procedure codes |
| Paid by Medicare | $345,915 |
Education and affiliations
| Medical school | Loma Linda University School of Medicine |
|---|---|
| Graduation year | 1994 |
| Medicare specialty | Diagnostic Radiology |
Medical groups
- St Agnes Healthcare IncBaltimore, MD · 260 clinicians
- Diagnostic Imaging Services LLCHagerstown, MD · 16 clinicians
- Fulton Diagnostic Radiology LLCMc Connellsburg, PA · 11 clinicians
Hospital affiliations
- Fulton County Medical CenterMcConnellsburg, PA
- Saint Agnes HospitalBaltimore, MD
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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