Anna Nhat Nguyen, PHARM.D.
Pharmacist · Fairfield, CA
Anna Nhat Nguyen, PHARM.D. is a pharmacist with a practice address in Fairfield, California, and NPI 1235218223, issued on Nov 2, 2006. Check the license (California 53815, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Anna Nhat Nguyen
- Credential
- PHARM.D.
- Primary taxonomy
- Pharmacist 183500000X
- License number
- 53815 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1550 Gateway Blvd, Fairfield, CA 94533
- Phone
- (707) 427-4428
- Enumerated
- Nov 2, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest pharmacist records → All 32,533 in California → Look up another NPI →
Also registered at 1550 Gateway Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Folasade Adesina, PHARM DPharmacist1457883761
- Syamala Aiyar, MDPediatrics Physician1760560593
- Ruthan Arca, RPHPharmacist1437680162
- Irwin Barr, MDInternal Medicine Physician1659450799
- Marissa Bartlett, MDPediatrics Physician1659443489
- Jaime Betters, R.D.Registered Dietitian1861559460
Verify Anna Nhat 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 53815Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
12.1 times the Medicare Part D claims of the average pharmacist in 2024
1,434 Medicare Part D claims for 317 beneficiaries, against an average of 119 among the 28,524 providers of this specialty who prescribed in Part D. Brand-name drugs were 49% of claims.
Most prescribed
- Ozempic336 claims
- Metformin Hcl Er120 claims
- Metformin Hcl96 claims
- Glipizide91 claims
- Humulin N87 claims
- Atorvastatin Calcium86 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.
Anna Nhat Nguyen among 32,533 pharmacist records in California
Anna Nhat Nguyen, PHARM.D. is one of 32,533 pharmacist records with a practice address in California. 15% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than under 1% of them.
- NPI issued2006 · under 1% of these records are older, 94% newer
- In a Medicare fileYes · 15% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2007 · 76% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 183500000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
84 pharmacist records list a practice address in Fairfield
They are 84 of the 3,595 NPPES records with a practice address in Fairfield, and 32,533 pharmacist records in California.
All 32,533 in California → Every provider in Fairfield → Pharmacist nationwide →
The 8 pharmacist records with the nearest ZIP codes
- Trina Cheng, PHARMDFairfield, CA 945331407289861
- Erika Evans, PHARM.D.Fairfield, CA 945331316139579
- Alexandra Grochulski, PHARM.D., RPHFairfield, CA 945331568702892
- Bachmai Le, PHARM. D.Fairfield, CA 945331659796159
- Tracy Magistrado, PHARM.D.Fairfield, CA 945331740585975
- Heather Martin, PHARMDFairfield, CA 945331023105517
- Eleanor NokesFairfield, CA 945331518251883
- Adrienne Preisig, PHARM DFairfield, CA 945331093926339
Common questions
What is Anna Nhat Nguyen, PHARM.D.'s NPI number?
Anna Nhat Nguyen, PHARM.D.'s National Provider Identifier (NPI) is 1235218223, issued on Nov 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Anna Nhat Nguyen, PHARM.D. located?
The NPPES record lists a practice address at 1550 Gateway Blvd, Fairfield, CA, 94533. Phone: (707) 427-4428. Providers update this record themselves, so call before visiting.
How can I verify Anna Nhat Nguyen, PHARM.D.'s license?
NPPES lists California license number 53815, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Anna Nhat Nguyen, PHARM.D. prescribe under Medicare Part D?
In 2024, Anna Nhat Nguyen, PHARM.D. had 1,434 Medicare Part D claims for 317 beneficiaries; the average among pharmacist prescribers was 119. 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.