NPPES file of Aug 9, 2026

Gia Nguyen

Physician Assistant · Garden Grove, CA

Gia Nguyen is a physician assistant with a practice address in Garden Grove, California, and NPI 1528741691, issued on Aug 7, 2023. Check the license (California PA64149, as entered in NPPES) 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
1528741691
Name
Gia Nguyen
Primary taxonomy
Physician Assistant 363A00000X
License number
PA64149 CA
Self-reported in NPPES; status is on the state search
Practice location
12865 Main St Ste 105, Garden Grove, CA 92840
Phone
(800) 560-9999
Enumerated
Aug 7, 2023
Record last updated
Mar 1, 2024
Medicare enrollment
Enrolled (PECOS I20240422002555); may accept Medicare assignment
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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Also registered at 12865 Main St Ste 105

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Yuri Kim, FNPNurse Practitioner1942939293
  2. Kimoanh NguyenNurse Practitioner1801556188
  3. Lily Nguyen, DNP, APRN, FNP-CFamily Nurse Practitioner1235834722
  4. Tan Nguyen, M.D.Internal Medicine Physician1609839299
  5. Hiba ShakeelFamily Nurse Practitioner1154927739

Verify Gia Nguyen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license PA64149
    Check 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
Find the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Industry payments in 2024: $320.94

18 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Gia Nguyen$320.94
  2. Specialty average$841.65

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Gia Nguyen among 14,451 physician assistant records in California

Gia 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 2023, is newer than 80% of them.

  • NPI issued2023 · 80% of these records are older, 13% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated2023 · median 2018 among the 7,214 with a school on file
  • Record last updated2024 · 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).

40 physician assistant records list a practice address in Garden Grove

They are 40 of the 4,572 NPPES records with a practice address in Garden Grove, and 14,451 physician assistant records in California.

The 8 physician assistant records with the nearest ZIP codes

  1. Robert CaoGarden Grove, CA 928401982162863
  2. Ponlork ChhornGarden Grove, CA 928401477488476
  3. Dena Fisher, P.A,Garden Grove, CA 928401821270273
  4. Pam Maurer, PAGarden Grove, CA 928401518902782
  5. Chau Nguyen, PA-CGarden Grove, CA 928401548504533
  6. Eileen Nguyen, PA-CGarden Grove, CA 928401780540633
  7. Martin Waltsak, PA-CGarden Grove, CA 928401669409652
  8. Bich Tram Do, PA-CGarden Grove, CA 928411154762359

Common questions

What is Gia Nguyen's NPI number?

Gia Nguyen's National Provider Identifier (NPI) is 1528741691, issued on Aug 7, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Gia Nguyen located?

The NPPES record lists a practice address at 12865 Main St Ste 105, Garden Grove, CA, 92840. Phone: (800) 560-9999. Providers update this record themselves, so call before visiting.

How can I verify Gia Nguyen's license?

NPPES lists California license number PA64149, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity 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.