Theresa Yim, MHS, PA-C
Physician Assistant · San Francisco, CA
Theresa Yim, MHS, PA-C is a physician assistant with a practice address in San Francisco, California, and NPI 1427423052, issued on Dec 8, 2015. Check the license (California 53084, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Theresa Yim
- Credential
- MHS, PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 53084 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2574 San Bruno Ave, San Francisco, CA 94134
- Phone
- (415) 391-9686
- Enumerated
- Dec 8, 2015
- Record last updated
- Jun 24, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20160120001712); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 2574 San Bruno Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lluvia ChanRegistered Nurse1225536485
- Jessica ChenClinical Social Worker1780107011
- Yitin Chen, DOFamily Medicine Physician1972842904
- Yu Ting He, MDInternal Medicine Physician1508326026
- Elliott LamPharmacist1700501954
- Albert Leung, M.D.Emergency Medicine Physician1861781551
Verify Theresa Yim in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 53084Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
59% fewer Medicare Part D claims than the average physician assistant in 2024
340 Medicare Part D claims for 127 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium39 claims
- Amlodipine Besylate25 claims
- Losartan Potassium18 claims
- Paxlovid14 claims
- Triamcinolone Acetonide13 claims
- Omeprazole12 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.
Bills Medicare through one group practice
- North East Medical ServicesSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Theresa Yim among 14,451 physician assistant records in California
Theresa Yim, MHS, PA-C is one of 14,451 physician assistant records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 41% of them.
- NPI issued2015 · 41% of these records are older, 56% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2015 · median 2018 among the 7,214 with a school on file
- Record last updated2016 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Physician Assistant providers in California
There are 14,451 physician assistant records in California.
All 14,451 in California → Every provider in San Francisco → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Jennifer Chan, PASan Francisco, CA 941341629685458
- Tori Szeto, PA-CSan Francisco, CA 941341346111549
- Andrew Allen, PA-CSan Francisco, CA 941331841444791
- Jennifer Bentley, PA-CSan Francisco, CA 941331497155683
- William Black, PA-CSan Francisco, CA 941331609172758
- Caroline Concilla, PA-CSan Francisco, CA 941331972421436
- Keeley Creasey, PA-CSan Francisco, CA 941331184062630
- Samantha DaoSan Francisco, CA 941331821802463
Common questions
What is Theresa Yim, MHS, PA-C's NPI number?
Theresa Yim, MHS, PA-C's National Provider Identifier (NPI) is 1427423052, issued on Dec 8, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Theresa Yim, MHS, PA-C located?
The NPPES record lists a practice address at 2574 San Bruno Ave, San Francisco, CA, 94134. Phone: (415) 391-9686. Providers update this record themselves, so call before visiting.
How can I verify Theresa Yim, MHS, PA-C's license?
NPPES lists California license number 53084, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Theresa Yim, MHS, PA-C prescribe under Medicare Part D?
In 2024, Theresa Yim, MHS, PA-C had 340 Medicare Part D claims for 127 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.