Elizabeth Trimmer, PA-C
Physician Assistant · Orange, CA
Elizabeth Trimmer, PA-C is a physician assistant with a practice address in Orange, California, and NPI 1669107751, issued on Jul 21, 2022. Check the license (California PA63565, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Elizabeth Trimmer
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA63565 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1100 W Stewart Dr, Orange, CA 92868
- Phone
- (714) 771-8000
- Enumerated
- Jul 21, 2022
- Record last updated
- Feb 25, 2026
- Medicare enrollment
- Enrolled (PECOS I20260325002608); may accept Medicare assignment
- Entity
- Type 1 · individual
Also registered at 1100 W Stewart Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Matthew Abrishamian, MDEmergency Medicine Physician1720516743
- Christie Aiello, FNP-BCFamily Nurse Practitioner1972976744
- Azita Alipour, PHARM.D.Psychiatric Pharmacist1982835401
- Allison Alix, WHNPWomen's Health Nurse Practitioner1396269403
- Roger Arakaki, M.D.Anesthesiology Physician1003836990
- Shadi Aramesh, MDPsychiatry Physician1326487091
Verify Elizabeth Trimmer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA63565Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
27% fewer Medicare Part D claims than the average physician assistant in 2024
606 Medicare Part D claims for 278 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Promethazine Hcl57 claims
- Azithromycin52 claims
- Fluticasone Propionate51 claims
- Albuterol Sulfate Hfa44 claims
- Prednisone42 claims
- Amoxicillin-Clavulanate Potass29 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.
181 physician assistant records list a practice address in Orange
They are 181 of the 13,245 NPPES records with a practice address in Orange, and 14,451 physician assistant records in California.
All 181 in Orange → All 14,451 in California → Every provider in Orange →
Other physician assistant records in California
- Marcia -Galbraith, PAStockton, CA1407143274
- Danny Abad, PAOrange, CA1477158673
- Lea Dominique Abadies, PATustin, CA1124754254
- Rea Elizabeth Abaniel, P.A.-CSeal Beach, CA1396173621
- Ramina Abbasi, PA-CSignal Hill, CA1093448300
- Ariel Abbott, PA-CStockton, CA1780334342
- Barrie Abbott, PA-CAnza, CA1861602575
- Elizabeth Abbott, PA-CSan Diego, CA1437540762
- Terri Abbott, P.A.La Jolla, CA1811165566
- Angela Abboud, MMS, PA-CSanta Rosa, CA1114399334
Common questions
What is Elizabeth Trimmer, PA-C's NPI number?
Elizabeth Trimmer, PA-C's National Provider Identifier (NPI) is 1669107751, issued on Jul 21, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Elizabeth Trimmer, PA-C located?
The NPPES record lists a practice address at 1100 W Stewart Dr, Orange, CA, 92868. Phone: (714) 771-8000. Providers update this record themselves, so call before visiting.
How can I verify Elizabeth Trimmer, PA-C's license?
NPPES lists California license number PA63565, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Elizabeth Trimmer, PA-C prescribe under Medicare Part D?
In 2024, Elizabeth Trimmer, PA-C had 606 Medicare Part D claims for 278 beneficiaries; the average among physician assistant prescribers was 830. 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.