Roy W. Zimmer III, MD
NPI 1780609958ActiveIndividual· Radiology, Diagnostic Radiology· Missoula, MT
Radiology, Diagnostic Radiology (MD) in Missoula, Montana, trained at Medical College of Wisconsin (class of 1989). Medicare paid $92,839 for services to 1,405 patients in 2024.
Overview
| NPI | 1780609958 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 12, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Diagnostic Radiology Primary | 2085R0202X | 8077 | MT |
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 (MT); Practitioner - Diagnostic Radiology (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,405 |
|---|---|
| Services billed | 2,395 across 70 procedure codes |
| Paid by Medicare | $92,839 |
Education and affiliations
| Medical school | Medical College of Wisconsin |
|---|---|
| Graduation year | 1989 |
| Medicare specialty | Diagnostic Radiology |
Medical groups
- Inland Imaging Associates PsPendleton, OR · 126 clinicians
- Advanced Imaging at Community Medical Center, LLCMissoula, MT · 7 clinicians
Hospital affiliations
- Bitterroot Health - Daly HospitalHamilton, MT
- Clark Fork Valley HospitalPlains, MT
- Community Medical CenterMissoula, MT
- Providence St Joseph Medical CenterPolson, MT
- St. Patrick HospitalMissoula, MT
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 22 diagnostic radiologists in Missoula · All diagnostic radiologists in Montana