Mark F. Gillette, PA-C
NPI 1043482680ActiveIndividual· Physician Assistant· Grand Rapids, MI
Physician Assistant (PA-C) with Age Management of West Michigan PC, practicing in Grand Rapids, Michigan. Their prescriptions cost Medicare Part D more than their services did: $510,773 for 7,599 claims, against $41,431 paid for services in 2024. Teva Pharmaceuticals USA, Inc. was the largest of 3 companies reporting payments in 2025, $576.72 in all, mostly food and beverage. Lists Spectrum Health United Hospital as a hospital affiliation.
Overview
| NPI | 1043482680 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Mar 24, 2008 |
| Last updated in NPPES | Jul 10, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 5601002367 | MI |
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 - Physician Assistant (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 267 |
|---|---|
| Services billed | 828 across 21 procedure codes |
| Paid by Medicare | $41,431 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,599 · 8,388 30-day fills |
|---|---|
| Patients | 410 |
| Total drug cost | $510,773 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 1994 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Age Management of West Michigan PCGrand Rapids, MI · 23 clinicians
Hospital affiliation
- Spectrum Health United HospitalGreenville, MI
Industry payments (Open Payments)
- 2025$576.72 · 12 payments from 3 companies
- 2024$239.57 · 5 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Teva Pharmaceuticals USA, Inc. | $413.57 | 9 |
| Neurocrine Biosciences, Inc. | $147.96 | 2 |
| Otsuka America Pharmaceutical, Inc. | $15.19 | 1 |
What the 2025 payments were for
- Food and Beverage$465.23 · 11 payments
- Education$111.49 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 936 physician assistants in Grand Rapids · All physician assistants in Michigan