Maria Thi Trinh, PA-C
Medical Physician Assistant · Pasadena, CA
Maria Thi Trinh, PA-C is a medical physician assistant with a practice address in Pasadena, California, and NPI 1023369667, issued on Sep 22, 2012. Check the license (California 22563, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Maria Thi Trinh
- Credential
- PA-C
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- 22563 CA
Self-reported in NPPES; status is on the state search - Practice location
- 473 N Fair Oaks Ave, Pasadena, CA 91103
- Phone
- (626) 792-2378
- Enumerated
- Sep 22, 2012
- Record last updated
- Apr 17, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20121119000384); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 3,376 in California → Look up another NPI →
Also registered at 473 N Fair Oaks Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Pamela Hu, M.D.Dermatology Physician1568791721
- Mihaela Varga, P.A.Medical Physician Assistant1861545352
Verify Maria Thi Trinh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 22563Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
26% more Medicare Part D claims than the average medical physician assistant in 2024
1,447 Medicare Part D claims for 393 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.
Most prescribed
- Ketoconazole227 claims
- Triamcinolone Acetonide118 claims
- Clindamycin Phosphate74 claims
- Mupirocin72 claims
- Clobetasol Propionate64 claims
- Fluocinonide58 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.
Industry payments in 2024: $4,089.92
175 payments; by number, the most common kind was food and beverage; the largest payer was Genzyme Corporation. The 16,165 providers of this specialty with any payment received $1,055.00 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Skin And Beauty Center IncPasadena, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Maria Thi Trinh among 3,376 medical physician assistant records in California
Maria Thi Trinh, PA-C 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 2012, is newer than 51% of them.
- NPI issued2012 · 51% of these records are older, 46% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 40% of these records are
- Graduated2012 · median 2012 among the 1,347 with a school on file
- Record last updated2016 · 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 Pasadena → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Claribell Anyikam, PA-CPasadena, CA 911031427399583
- Alejandra Astorga, P.A.Pasadena, CA 911031851419220
- Boris HernandezPasadena, CA 911031730883083
- Stephanie RodriguezPasadena, CA 911031538046560
- Kenny Trinidad, PACPasadena, CA 911031417088469
- Mihaela Varga, P.A.Pasadena, CA 911031861545352
- Yana Yarchuk, PA-CPasadena, CA 911031366677254
- Nicole FissPasadena, CA 911041265905236
Common questions
What is Maria Thi Trinh, PA-C's NPI number?
Maria Thi Trinh, PA-C's National Provider Identifier (NPI) is 1023369667, issued on Sep 22, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Maria Thi Trinh, PA-C located?
The NPPES record lists a practice address at 473 N Fair Oaks Ave, Pasadena, CA, 91103. Phone: (626) 792-2378. Providers update this record themselves, so call before visiting.
How can I verify Maria Thi Trinh, PA-C's license?
NPPES lists California license number 22563, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Maria Thi Trinh, PA-C prescribe under Medicare Part D?
In 2024, Maria Thi Trinh, PA-C had 1,447 Medicare Part D claims for 393 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.