Corina Clark, P.A.
NPI 1720480049 · Physician Assistant · Castro Valley, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Corina Clark, P.A. is a Physician Assistant provider in Castro Valley, CA (NPI 1720480049).
Provider details
- NPI number
- 1720480049
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- P.A.
- Sex
- Female
- Sole proprietor
- No
- License
- PA09166 (TX)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
11 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
406 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 154 | $133 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 105 | $16 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 39 | $138 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 33 | $187 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 26 | $95 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 118 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 647 | 300 |
| Amlodipine Besylate | 350 | 180 |
| Levothyroxine Sodium | 344 | 157 |
| Losartan Potassium | 316 | 139 |
| Rosuvastatin Calcium | 257 | 120 |
| Lisinopril | 245 | 122 |
| Metoprolol Succinate |
Practice location
Mailing address
Additional practice locations (1)
- 1700 Keystone Pacific PkwyPatterson, CA 95363-8874Phone: (209) 892-9100
Registry dates
- Enumerated
- 2014-09-17
- Last updated
- 2022-11-18
- Certified
- 2022-11-18
Frequently asked questions
- What is Corina Clark's NPI number?
- Corina Clark's National Provider Identifier (NPI) is 1720480049, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Corina Clark's specialty?
- Corina Clark is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Corina Clark located?
- Corina Clark's practice location on file with NPPES is 20642 John Dr, Castro Valley, CA 94546-5103.
- What is Corina Clark's phone number?
- The practice phone number listed in the NPPES registry for Corina Clark is (510) 785-5000.
- Does Corina Clark accept Medicare?
- Corina Clark is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Corina Clark's NPI active?
- Yes — Corina Clark's NPI (1720480049) is active in the NPPES registry as of the last update on 2022-11-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.