NPPES file of Aug 9, 2026

Phuong-My Nguyen

Physician Assistant · Buena Park, CA

Phuong-My Nguyen is a physician assistant with a practice address in Buena Park, California, and NPI 1225899883, issued on Jan 22, 2024. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1225899883
Name
Phuong-My Nguyen
Primary taxonomy
Physician Assistant 363A00000X
Practice location
8970 Knott Ave, Buena Park, CA 90620
Phone
(949) 760-9222
Enumerated
Jan 22, 2024
Record last updated
May 3, 2026
Medicare enrollment
Enrolled (PECOS I20250721001971); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest physician assistant records → All 14,451 in California → Look up another NPI →

Verify Phuong-My Nguyen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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98% fewer Medicare Part D claims than the average physician assistant in 2024

16 Medicare Part D claims, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Phuong-My Nguyen16
  2. Specialty average830

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

  1. OC Urgentcare Medical Group IncorporatedSanta Ana, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Phuong-My Nguyen among 14,451 physician assistant records in California

Phuong-My Nguyen 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 2024, is newer than 87% of them.

  • NPI issued2024 · 87% of these records are older, 7% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated2024 · median 2018 among the 7,214 with a school on file
  • Record last updated2026 · 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 Buena Park → Physician Assistant nationwide →

The 8 physician assistant records with the nearest ZIP codes

  1. Matthew Hemm, PHYSICIAN ASSISTANTBuena Park, CA 906201457275158
  2. Dina Villapudua, PABuena Park, CA 906201992871941
  3. Hazam Ademhizam, PHYSICIAN ASSISTANTBuena Park, CA 906211073645131
  4. Sherlynn Lee, PA-CBuena Park, CA 906211366010597
  5. James Yoon, PA-CBuena Park, CA 906211669930905
  6. Ji Min Kwon, MPAP, PA-CLa Palma, CA 906231851840763
  7. Lily Liu, PA-C, MMSCLa Palma, CA 906231144728502
  8. Vanessa Lopez Valencia, PA-CLa Palma, CA 906231841096526

Common questions

What is Phuong-My Nguyen's NPI number?

Phuong-My Nguyen's National Provider Identifier (NPI) is 1225899883, issued on Jan 22, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Phuong-My Nguyen located?

The NPPES record lists a practice address at 8970 Knott Ave, Buena Park, CA, 90620. Phone: (949) 760-9222. Providers update this record themselves, so call before visiting.

How can I verify Phuong-My Nguyen's license?

Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Phuong-My Nguyen prescribe under Medicare Part D?

In 2024, Phuong-My Nguyen had 16 Medicare Part D claims; 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.