Diep N. Nguyen, PHARMD
Pharmacist · Vallejo, CA
Diep N. Nguyen, PHARMD is a pharmacist with a practice address in Vallejo, California, and NPI 1619271012, issued on Dec 29, 2010. Check the license (California 59483, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Diep N. Nguyen
- Credential
- PHARMD
- Primary taxonomy
- Pharmacist 183500000X
- License number
- 59483 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1761 Broadway St Ste 209, Vallejo, CA 94589
- Phone
- (707) 645-2531
- Enumerated
- Dec 29, 2010
- Record last updated
- Dec 29, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (707) 645-2530
- Entity
- Type 1 · individual
8 nearest pharmacist records → All 32,533 in California → Look up another NPI →
Also registered at 1761 Broadway St Ste 209
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Tamara Hetler, PHARMDPharmacist1588759534
- Loren Niles, PHARMDPharmacist1629155296
Verify Diep N. 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 59483Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
28.3 times the Medicare Part D claims of the average pharmacist in 2024
3,367 Medicare Part D claims for 475 beneficiaries, against an average of 119 among the 28,524 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.
Most prescribed
- Atorvastatin Calcium595 claims
- Metformin Hcl334 claims
- Glipizide289 claims
- Metformin Hcl Er261 claims
- Ozempic199 claims
- Lisinopril187 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.
Diep N. Nguyen among 32,533 pharmacist records in California
Diep N. Nguyen, PHARMD 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 2010, is newer than 12% of them.
- NPI issued2010 · 12% of these records are older, 82% 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 updated2010 · 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).
166 pharmacist records list a practice address in Vallejo
They are 166 of the 2,836 NPPES records with a practice address in Vallejo, and 32,533 pharmacist records in California.
All 32,533 in California → Every provider in Vallejo → Pharmacist nationwide →
The 8 pharmacist records with the nearest ZIP codes
- Scott Chamberland, PHARM.D.Vallejo, CA 945891871681007
- Fern Chau, PHARM.DVallejo, CA 945891588753404
- Moon Choe, PHARMDVallejo, CA 945891275629800
- Elizabeth Garcia, PHARM.D.Vallejo, CA 945891215937529
- Tamara Hetler, PHARMDVallejo, CA 945891588759534
- Amy Kong, PHARM.D.Vallejo, CA 945891336238187
- Grace Le, PHARM.DVallejo, CA 945891033201678
- Janny Lee, PHARM.D.Vallejo, CA 945891194810002
Common questions
What is Diep N. Nguyen, PHARMD's NPI number?
Diep N. Nguyen, PHARMD's National Provider Identifier (NPI) is 1619271012, issued on Dec 29, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Diep N. Nguyen, PHARMD located?
The NPPES record lists a practice address at 1761 Broadway St Ste 209, Vallejo, CA, 94589. Phone: (707) 645-2531. Providers update this record themselves, so call before visiting.
How can I verify Diep N. Nguyen, PHARMD's license?
NPPES lists California license number 59483, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Diep N. Nguyen, PHARMD prescribe under Medicare Part D?
In 2024, Diep N. Nguyen, PHARMD had 3,367 Medicare Part D claims for 475 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.