Amos Yi, PA-C
Surgical Physician Assistant · Fountain Valley, CA
Amos Yi, PA-C is a surgical physician assistant with a practice address in Fountain Valley, California, and NPI 1215360912, issued on Aug 16, 2013. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Amos Yi
- Credential
- PA-C
- Primary taxonomy
- Surgical Physician Assistant 363AS0400X
- Practice location
- 11190 Warner Ave, Fountain Valley, CA 92708
- Phone
- (714) 433-2000
- Enumerated
- Aug 16, 2013
- Record last updated
- Oct 12, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (714) 433-2901
- Entity
- Type 1 · individual
8 nearest surgical physician assistant records → All 1,075 in California → Look up another NPI →
Also registered at 11190 Warner Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Amos Yi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
51% fewer Medicare Part D claims than the average surgical physician assistant in 2024
148 Medicare Part D claims for 63 beneficiaries, against an average of 304 among the 10,174 providers of this specialty who prescribed in Part D. 44 claims were for opioids.
Most prescribed
- Levetiracetam34 claims
- Hydrocodone-Acetaminophen19 claims
- Methocarbamol14 claims
- Oxycodone-Acetaminophen12 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.
Amos Yi among 1,075 surgical physician assistant records in California
Amos Yi, PA-C is one of 1,075 surgical physician assistant records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 60% of them.
- NPI issued2013 · 60% of these records are older, 37% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2021 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AS0400X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgical Physician Assistant providers in California
There are 1,075 surgical physician assistant records in California.
All 1,075 in California → Every provider in Fountain Valley → Surgical Physician Assistant nationwide →
The 8 surgical physician assistant records with the nearest ZIP codes
- Son Huynh, PA-CFountain Valley, CA 927081588115141
- Irene Nagel, P.A.-CFountain Valley, CA 927081255447496
- Samantha OngFountain Valley, CA 927081366184152
- Ashley Salazar, P.A.-CFountain Valley, CA 927081003870114
- Drew Spindler, PA-CFountain Valley, CA 927081992878110
- Kris Ton, PA-CFountain Valley, CA 927081205860988
- Leah Vergara, PA-CFountain Valley, CA 927081053720359
- Andrew So, PASanta Ana, CA 927041093749533
Common questions
What is Amos Yi, PA-C's NPI number?
Amos Yi, PA-C's National Provider Identifier (NPI) is 1215360912, issued on Aug 16, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Amos Yi, PA-C located?
The NPPES record lists a practice address at 11190 Warner Ave, Fountain Valley, CA, 92708. Phone: (714) 433-2000. Providers update this record themselves, so call before visiting.
How can I verify Amos Yi, PA-C's license?
Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Amos Yi, PA-C prescribe under Medicare Part D?
In 2024, Amos Yi, PA-C had 148 Medicare Part D claims for 63 beneficiaries; the average among surgical physician assistant prescribers was 304. 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.