Douglas A. Winstanley, D.O.
NPI 1609855402ActiveIndividual· Dermatology, MOHS-Micrographic Surgery· Grandville, MI
Dermatology, MOHS-Micrographic Surgery (D.O.) with Jack A Dekkinga MD PC, practicing in Grandville, Michigan. 328 Medicare patients in 2024, $213,347 paid; nearly all of their 243 Part D prescriptions were generic (93%). Abbvie Inc. was the largest of 5 companies reporting payments in 2025, $326.14 in all, mostly food and beverage. Lists Spectrum Health as a hospital affiliation.
Overview
| NPI | 1609855402 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Jan 11, 2006 |
| Last updated in NPPES | Jul 30, 2024 |
| Certified by provider | Jul 23, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology, MOHS-Micrographic Surgery Primary | 207ND0101X | 5101015191 | MI |
| Dermatology | 207N00000X | 5101015191 | 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 - Dermatology (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 328 |
|---|---|
| Services billed | 1,467 across 82 procedure codes |
| Paid by Medicare | $213,347 |
Part D prescriptions in 2024
| Prescriptions (claims) | 243 · 255 30-day fills |
|---|---|
| Patients | 171 |
| Total drug cost | $195,757 |
| Generic share | 93% of claims |
Education and affiliations
| Graduation year | 2000 |
|---|---|
| Medicare specialty | Dermatology |
Medical group
- Jack A Dekkinga MD PCGrandville, MI · 20 clinicians
Hospital affiliation
- Spectrum HealthGrand Rapids, MI
Industry payments (Open Payments)
- 2025$326.14 · 15 payments from 5 companies
- 2024$200.24 · 9 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $191.66 | 9 |
| Leo Pharma Inc. | $46.89 | 3 |
| Regeneron Healthcare Solutions, Inc. | $37.80 | 1 |
| Kerecis Limited | $28.61 | 1 |
| Novartis Pharmaceuticals Corporation | $21.18 | 1 |
What the 2025 payments were for
- Food and Beverage$326.14 · 15 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Dermatology, MOHS-Micrographic Surgery providers in Grandville
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All Dermatology, MOHS-Micrographic Surgery providers in Michigan