Chau Duc Nguyen, PA-C
Physician Assistant · Garden Grove, CA
Chau Duc Nguyen, PA-C is a physician assistant with a practice address in Garden Grove, California, and NPI 1548504533, issued on Nov 15, 2012. Check the license (California PA22670, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Chau Duc Nguyen
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA22670 CA
Self-reported in NPPES; status is on the state search - Practice location
- 11581 Fredrick Dr, Garden Grove, CA 92840
- Phone
- (714) 884-6635
- Enumerated
- Nov 15, 2012
- Record last updated
- Dec 1, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20140707001610); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Verify Chau Duc Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA22670Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
18% fewer Medicare Part D claims than the average physician assistant in 2024
677 Medicare Part D claims for 516 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 97 claims were for opioids.
Most prescribed
- Acetaminophen-Codeine80 claims
- Naproxen55 claims
- Ibuprofen52 claims
- Cephalexin41 claims
- Cefadroxil37 claims
- Prednisone37 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
- Southern California Permanente Medical GroupBellflower, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Chau Duc Nguyen among 14,451 physician assistant records in California
Chau Duc Nguyen, 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 2012, is newer than 33% of them.
- NPI issued2012 · 33% of these records are older, 65% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2012 · median 2018 among the 7,214 with a school on file
- Record last updated2021 · 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.
All 14,451 in California → Every provider in Garden Grove → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Robert CaoGarden Grove, CA 928401982162863
- Ponlork ChhornGarden Grove, CA 928401477488476
- Dena Fisher, P.A,Garden Grove, CA 928401821270273
- Pam Maurer, PAGarden Grove, CA 928401518902782
- Gia NguyenGarden Grove, CA 928401528741691
- Eileen Nguyen, PA-CGarden Grove, CA 928401780540633
- Martin Waltsak, PA-CGarden Grove, CA 928401669409652
- Bich Tram Do, PA-CGarden Grove, CA 928411154762359
Common questions
What is Chau Duc Nguyen, PA-C's NPI number?
Chau Duc Nguyen, PA-C's National Provider Identifier (NPI) is 1548504533, issued on Nov 15, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Chau Duc Nguyen, PA-C located?
The NPPES record lists a practice address at 11581 Fredrick Dr, Garden Grove, CA, 92840. Phone: (714) 884-6635. Providers update this record themselves, so call before visiting.
How can I verify Chau Duc Nguyen, PA-C's license?
NPPES lists California license number PA22670, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Chau Duc Nguyen, PA-C prescribe under Medicare Part D?
In 2024, Chau Duc Nguyen, PA-C had 677 Medicare Part D claims for 516 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.