William F. Crook, P.A.
NPI 1801854534ActiveIndividual· Physician Assistant· Petoskey, MI
Physician Assistant (P.A.) with Advanced Dermatology of Michigan PC, practicing in Petoskey, Michigan. Mostly services rather than prescriptions: Medicare paid $7,281 for 84 patients in 2024, with only 32 Part D claims. Abbvie Inc. was the largest of 7 companies reporting payments in 2025, $402.34 in all, mostly food and beverage. Lists Munson Healthcare Otsego Memorial Hospital as a hospital affiliation.
Overview
| NPI | 1801854534 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | P.A. |
| Sole proprietor | No |
| NPI issued | May 3, 2006 |
| Last updated in NPPES | Jan 14, 2025 |
| Certified by provider | Jan 14, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 5601004363 | MI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Physician Assistant (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 84 |
|---|---|
| Services billed | 467 across 28 procedure codes |
| Paid by Medicare | $7,281 |
Part D prescriptions in 2024
| Prescriptions (claims) | 32 · 32 30-day fills |
|---|---|
| Patients | 27 |
| Total drug cost | $121.35 |
| Generic share | 100% of claims |
Education and affiliations
| Graduation year | 2004 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Advanced Dermatology of Michigan PCWarren, MI · 41 clinicians
Hospital affiliation
- Munson Healthcare Otsego Memorial HospitalGaylord, MI
Industry payments (Open Payments)
- 2025$402.34 · 16 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $200.02 | 9 |
| E.R. Squibb & Sons, L.L.C. | $82.95 | 1 |
| Lilly USA, LLC | $34.02 | 2 |
| Sun Pharmaceutical Industries Inc. | $33.56 | 1 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $21.90 | 1 |
What the 2025 payments were for
- Food and Beverage$319.39 · 15 payments
- Education$82.95 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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