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Edit this profileWhere to find Corina S. Clark, P.A.
- Castro Valley location main office
20642 John Dr, Castro Valley, CA 94546 - Patterson location
1700 Keystone Pacific Pkwy, Patterson, CA 95363
About Corina Clark
Corina S. Clark, P.A. is a physician assistant based in Castro Valley, CA. Corina is also listed as specializing in physician assistant — medical. Medicare claims data shows Corina provided 455 services to 379 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, 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', and annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit. The provider's National Provider Identifier (NPI) is 1720480049.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (510) 785-5000
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
20642 JOHN DR
Castro Valley, CA 94546
1700 Keystone Pacific Pkwy
Patterson, CA 95363
Procedures Most Often Billed to Medicare
455 services · 379 patients · 11 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Sarscov2 vac 50 mcg/0.5ml im | Treatment | 91322 |
19 | As often as other peers in Physician Assistant |
| Admn sarscov2 vacc 1 dose | Treatment | 90480 |
19 | As often as other peers in Physician Assistant |
| Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | Treatment | 90677 |
15 | As often as other peers in Physician Assistant |
| Influenza vaccine split virus, preservative free | Treatment | 90662 |
15 | Less often than most peers in Physician Assistant |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
154 | More often than most peers in Physician Assistant |
| 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' | Billing code | G2211 |
105 | More often than most peers in Physician Assistant |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
39 | As often as other peers in Physician Assistant |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
33 | As often as other peers in Physician Assistant |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
26 | Less often than most peers in Physician Assistant |
| Administration of pneumococcal vaccine | Billing code | G0009 |
15 | As often as other peers in Physician Assistant |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other physician assistants at this location 7
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 30 related providers in 4 groups
Other physician assistants in Castro Valley 6
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2014 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Sarscov2 vac 50 mcg/0.5ml im 8
Providers in CA who bill this service to Medicare most often.
Common questions
What kind of doctor is Corina S. Clark?
Corina S. Clark is a physician assistant in Castro Valley, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Corina S. Clark's address?
Corina S. Clark is listed at 20642 John Dr, Castro Valley, CA 94546. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Corina S. Clark?
The number on file is (510) 785-5000. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Corina S. Clark?
Corina S. Clark's National Provider Identifier is 1720480049. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Corina S. Clark train?
Corina S. Clark attended Other, graduating in 2014. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Corina S. Clark have?
Corina S. Clark has 12 years experience. Calculated from a graduation year of 2014, reported in the CMS National Downloadable File.
CMS public data
What procedures does Corina S. Clark perform?
According to Medicare billing data, Corina S. Clark provides treatments such as sarscov2 vac 50 mcg/0.5ml im and admn sarscov2 vacc 1 dose, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Corina S. Clark's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Corina S. Clark. If this is you, claiming it is free.
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