Merrick Douglas Kozak, M.D.
NPI 1003342775ActiveIndividual· Dermatology· Staunton, VA
Dermatology (M.D.) in Staunton, Virginia, trained at Virginia Commonwealth University, School of Medicine (class of 2017). Their prescriptions cost Medicare Part D more than their services did: $248,135 for 645 claims, against $156,323 paid for services in 2024. Amgen Inc. was the largest of 8 companies reporting payments in 2025, $293.34 in all, mostly food and beverage.
Overview
| NPI | 1003342775 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 2, 2017 |
| Last updated in NPPES | Oct 23, 2026 |
| Certified by provider | Oct 23, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | 0101272020 | VA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Dermatology (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 661 |
|---|---|
| Services billed | 3,776 across 70 procedure codes |
| Paid by Medicare | $156,323 |
Part D prescriptions in 2024
| Prescriptions (claims) | 645 · 699 30-day fills |
|---|---|
| Patients | 224 |
| Total drug cost | $248,135 |
| Generic share | 93% of claims |
Education and affiliations
| Medical school | Virginia Commonwealth University, School of Medicine |
|---|---|
| Graduation year | 2017 |
| Medicare specialty | Dermatology |
Medical group
- Shenandoah Dermatology, P.C..Staunton, VA · 10 clinicians
Industry payments (Open Payments)
- 2025$293.34 · 10 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $122.62 | 2 |
| Janssen Biotech, Inc. | $35.15 | 2 |
| Regeneron Healthcare Solutions, Inc. | $28.49 | 1 |
| Novartis Pharmaceuticals Corporation | $25.20 | 1 |
| Abbvie Inc. | $24.22 | 1 |
What the 2025 payments were for
- Food and Beverage$293.34 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Dermatology providers in Staunton
- 1801716568
- 1275827180
- 1881057073