Clark J. Wilkey, DO
NPI 1154941904ActiveIndividual· Family Medicine· Ventura, CA
Family Medicine (DO) in Ventura, California, trained at Rocky Vista University College of Osteopathic Med (class of 2020). Their prescriptions cost Medicare Part D more than their services did: $91,696 for 928 claims, against $31,810 paid for services in 2024. Galderma Laboratories, L.P. was the largest of 13 companies reporting payments in 2025, $790.26 in all, mostly food and beverage.
Overview
| NPI | 1154941904 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Apr 22, 2020 |
| Last updated in NPPES | Oct 3, 2023 |
| Certified by provider | Oct 3, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 20A20550 | CA |
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 - Family Practice (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 101 |
|---|---|
| Services billed | 402 across 35 procedure codes |
| Paid by Medicare | $31,810 |
Part D prescriptions in 2024
| Prescriptions (claims) | 928 · 1,932 30-day fills |
|---|---|
| Patients | 119 |
| Total drug cost | $91,696 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | Rocky Vista University College of Osteopathic Med |
|---|---|
| Graduation year | 2020 |
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- Dignity Health Medical FoundationFolsom, CA · 1,184 clinicians
Hospital affiliation
- Community Memorial Hospital - VenturaVentura, CA
Other facilities
- Assisted Home CareHome health agency · Ventura, CA
- Mission Home Health of Ventura, LLCHome health agency · Oxnard, CA
Industry payments (Open Payments)
- 2025$790.26 · 31 payments from 13 companies
- 2024$532.37 · 28 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Galderma Laboratories, L.P. | $145.25 | 1 |
| Astrazeneca Pharmaceuticals LP | $135.56 | 9 |
| Lilly USA, LLC | $104.68 | 4 |
| Novo Nordisk Inc | $77.48 | 4 |
| Abbvie Inc. | $65.36 | 3 |
What the 2025 payments were for
- Food and Beverage$790.26 · 31 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 261 family medicine physicians in Ventura · All family medicine physicians in California