William Michael Marsh, M.D.
NPI 1659385441ActiveIndividual· General Practice· Cave Creek, AZ
General Practice (M.D.) in Cave Creek, Arizona, licensed in AZ, with an NPI issued in July 2006. Part D covered 929 prescriptions written in 2024, 86% of them generic.
Overview
| NPI | 1659385441 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jul 28, 2006 |
| Last updated in NPPES | Oct 17, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| General Practice Primary | 208D00000X | 13237 | 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 - Family Practice (AZ) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 929 · 2,477 30-day fills |
|---|---|
| Patients | 162 |
| Total drug cost | $116,150 |
| Generic share | 86% 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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