Ronald David Kerwin, MD
NPI 1265497622ActiveIndividual· Dermatology· West Bloomfield, MI
Dermatology (MD) in West Bloomfield, Michigan, trained at Wayne State University School of Medicine (class of 1976). 670 Medicare patients in 2024, $187,390 paid; nearly all of their 1,662 Part D prescriptions were generic (97%). Janssen Biotech, Inc. was the largest of 15 companies reporting payments in 2025, $1,167 in all, mostly food and beverage.
Overview
| NPI | 1265497622 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 19, 2006 |
| Last updated in NPPES | Nov 18, 2020 |
| Certified by provider | Nov 18, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | 044088 | 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 - Dermatology (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 670 |
|---|---|
| Services billed | 3,240 across 39 procedure codes |
| Paid by Medicare | $187,390 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,662 · 1,798 30-day fills |
|---|---|
| Patients | 693 |
| Total drug cost | $173,378 |
| Generic share | 97% of claims |
Education and affiliations
| Medical school | Wayne State University School of Medicine |
|---|---|
| Graduation year | 1976 |
| Medicare specialty | Dermatology |
Medical group
- Midwest Center for Dermatology and Pathology PLLCFarmington Hills, MI · 48 clinicians
Hospital affiliation
- Beaumont Hospital Royal OakRoyal Oak, MI
Industry payments (Open Payments)
- 2025$1,167 · 50 payments from 15 companies
- 2024$1,355 · 63 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $303.27 | 11 |
| Abbvie Inc. | $225.00 | 8 |
| Galderma Laboratories, L.P. | $210.15 | 9 |
| Sun Pharmaceutical Industries Inc. | $89.34 | 4 |
| Botanix Sb Inc | $77.78 | 4 |
What the 2025 payments were for
- Food and Beverage$1,052 · 47 payments
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$114.80 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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