Michael Thomas Ammann, DO
NPI 1932264843ActiveIndividual· Family Medicine· Green Valley, AZ
Family Medicine (DO) in Green Valley, Arizona, licensed in AZ, with an NPI issued in December 2006. Their prescriptions cost Medicare Part D more than their services did: $148,642 for 2,520 claims, against $4,161 paid for services in 2024.
Overview
| NPI | 1932264843 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Dec 22, 2006 |
| Last updated in NPPES | Jul 21, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 2536 | 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) | Not in the public enrollment file of Oct 1, 2026 |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 54 |
|---|---|
| Services billed | 226 across 26 procedure codes |
| Paid by Medicare | $4,161 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,520 · 6,850 30-day fills |
|---|---|
| Patients | 400 |
| Total drug cost | $148,642 |
| Generic share | 90% of claims |
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 family medicine physicians in Green Valley · All family medicine physicians in Arizona