Clark Wilkey, DO
NPI 1154941904 · Family Medicine Physician · Ventura, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Clark Wilkey, DO is a Family Medicine Physician provider in Ventura, CA (NPI 1154941904).
Provider details
- NPI number
- 1154941904
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 20A20550 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
6 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
309 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 118 | $97 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 105 | $137 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 24 | $177 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 23 | $138 |
| Urinalysis, Manual Test81002 | 15 | $3 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 28 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 91 | 36 |
| Amlodipine Besylate | 53 | 17 |
| Telmisartan | 36 | — |
| Losartan Potassium | 33 | — |
| Semaglutidebrand: Rybelsus | 27 | — |
| Valsartan | 25 | — |
| Rosuvastatin Calcium | 25 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$532 across 28 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-04-22
- Last updated
- 2023-10-03
- Certified
- 2023-10-03
Frequently asked questions
- What is Clark Wilkey's NPI number?
- Clark Wilkey's National Provider Identifier (NPI) is 1154941904, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Clark Wilkey's specialty?
- Clark Wilkey is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Clark Wilkey located?
- Clark Wilkey's practice location on file with NPPES is 168 N Brent St Ste 502, Ventura, CA 93003-2840.
- What is Clark Wilkey's phone number?
- The practice phone number listed in the NPPES registry for Clark Wilkey is (805) 641-2000.
- Does Clark Wilkey accept Medicare?
- Clark Wilkey is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Clark Wilkey's NPI active?
- Yes — Clark Wilkey's NPI (1154941904) is active in the NPPES registry as of the last update on 2023-10-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.