Tatianna Clark
Medical Physician Assistant · Riverside, CA
Tatianna Clark is a medical physician assistant with a practice address in Riverside, California, and NPI 1104692144, issued on Nov 30, 2023. Check the license (California 63689, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Tatianna Clark
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- 63689 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3940 Polk St Unit A, Riverside, CA 92505
- Phone
- (818) 632-4265
- Enumerated
- Nov 30, 2023
- Record last updated
- Nov 30, 2023
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 3,376 in California → Look up another NPI →
Verify Tatianna Clark in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 63689Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
73% fewer Medicare Part D claims than the average medical physician assistant in 2024
309 Medicare Part D claims for 52 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D.
Most prescribed
- Metformin Hcl43 claims
- Atorvastatin Calcium30 claims
- Hydrochlorothiazide14 claims
- Amlodipine Besylate11 claims
- Lisinopril11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Tatianna Clark among 3,376 medical physician assistant records in California
Tatianna Clark is one of 3,376 medical physician assistant records with a practice address in California. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 86% of them.
- NPI issued2023 · 86% of these records are older, 11% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileNo · 40% of these records are
- Record last updated2023 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Physician Assistant providers in California
There are 3,376 medical physician assistant records in California.
All 3,376 in California → Every provider in Riverside → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Kimberly Adams, PA-CRiverside, CA 925051053522870
- Marina Gonzalez, PA-CRiverside, CA 925051891188454
- Jean Huynh, PA-CRiverside, CA 925051821493230
- Ryan Junsay, PA-CRiverside, CA 925051750424248
- David RamosRiverside, CA 925051164371779
- Xavier Varela, PA-CRiverside, CA 925051336447689
- Julie Buchanan, PA-CRiverside, CA 925061710298005
- Sierra ErvinRiverside, CA 925041275423717
Common questions
What is Tatianna Clark's NPI number?
Tatianna Clark's National Provider Identifier (NPI) is 1104692144, issued on Nov 30, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Tatianna Clark located?
The NPPES record lists a practice address at 3940 Polk St Unit A, Riverside, CA, 92505. Phone: (818) 632-4265. Providers update this record themselves, so call before visiting.
How can I verify Tatianna Clark's license?
NPPES lists California license number 63689, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Tatianna Clark prescribe under Medicare Part D?
In 2024, Tatianna Clark had 309 Medicare Part D claims for 52 beneficiaries; the average among medical physician assistant prescribers was 1,148. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.