Marvin K. Tam, M.D.
NPI 1174512032ActiveIndividual· Radiology, Diagnostic Radiology· Mesa, AZ
Radiology, Diagnostic Radiology (M.D.) in Mesa, Arizona, trained at Columbia University College of Physicians and Surgeons (class of 1993). Mostly services rather than prescriptions: Medicare paid $324,271 for 3,399 patients in 2024, with only 12 Part D claims.
Overview
| NPI | 1174512032 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Oct 13, 2005 |
| Last updated in NPPES | Feb 11, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Diagnostic Radiology Primary | 2085R0202X | 28319 | AZ |
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 (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 3,399 |
|---|---|
| Services billed | 20,304 across 185 procedure codes |
| Paid by Medicare | $324,271 |
Part D prescriptions in 2024
| Prescriptions (claims) | 12 · 12 30-day fills |
|---|---|
| Patients | 12 |
| Total drug cost | $73.05 |
Education and affiliations
| Medical school | Columbia University College of Physicians and Surgeons |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | Diagnostic Radiology |
Medical groups
- Sonoran Radiology LtdTyler, TX · 475 clinicians
- Banner Imaging Services LLCCasa Grande, AZ · 122 clinicians
- Associated Valley Radiologists, LtdGoodyear, AZ · 55 clinicians
Hospital affiliations
- Banner Baywood Medical CenterMesa, AZ
- Banner Boswell Medical CenterSun City, AZ
- Banner del E. Webb Medical CenterSun City West, AZ
- Banner Desert Medical CenterMesa, AZ
- Banner Thunderbird Medical CenterGlendale, AZ
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 73 diagnostic radiologists in Mesa · All diagnostic radiologists in Arizona