Timothy J. Greenan, M.D.
NPI 1073562088ActiveIndividual· Radiology, Diagnostic Radiology· Rockville, MD
Radiology, Diagnostic Radiology (M.D.) in Rockville, Maryland, trained at State University of Ny Upstate Medical University (class of 1986). Medicare paid $263,128 for services to 1,466 patients in 2024.
Overview
| NPI | 1073562088 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 8, 2006 |
| Last updated in NPPES | Oct 15, 2021 |
| Certified by provider | Oct 15, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Diagnostic Radiology Primary | 2085R0202X | D0041613 | MD |
| Specialist | 174400000X | MD044122E | PA |
| Specialist | 174400000X | D0041613 | MD |
| Specialist | 174400000X | 205142 | NY |
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 (DC); Practitioner - Diagnostic Radiology (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,466 |
|---|---|
| Services billed | 6,305 across 34 procedure codes |
| Paid by Medicare | $263,128 |
Education and affiliations
| Medical school | State University of Ny Upstate Medical University |
|---|---|
| Graduation year | 1986 |
| Medicare specialty | Diagnostic Radiology |
Medical groups
- Maryland Imaging Network PCBethesda, MD · 81 clinicians
- Delaware Radiology Associates PANewark, DE · 65 clinicians
- Community Radiology Associates IncBethesda, MD · 65 clinicians
- Chesapeake Open MRI L L CAnnapolis, MD · 18 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 35 diagnostic radiologists in Rockville · All diagnostic radiologists in Maryland