Registry data as of Aug 27, 2026

Dan Nguyen

Pharmacist · San Diego, CA

Dan Nguyen is a pharmacist with a practice address in San Diego, California, and NPI 1184404295, issued on Oct 5, 2023. Check the license (California 88577, 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, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1184404295
Name
Dan Nguyen
Primary taxonomy
Pharmacist 183500000X
License number
88577 CA
Self-reported in NPPES; status is on the state search
Practice location
10631 Tierrasanta Blvd, San Diego, CA 92124
Phone
(858) 576-0972
Enumerated
Oct 5, 2023
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 10631 Tierrasanta Blvd

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

  1. Vahid Mahmoudi, PHARM DPharmacist1740592740
  2. Nicole MullenPharmacy Technician1477249894
  3. Sunil Patel, RPHPharmacist1952612780
  4. Xuan Phan, PHARMDPharmacist1447628961
  5. Nisreen Rashid, RPHPharmacist1346362266

Verify Dan 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 88577
    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.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

46% fewer Medicare Part D claims than the average pharmacist in 2024

69 Medicare Part D claims for 67 beneficiaries, against an average of 127 among the 28,933 providers of this specialty who prescribed in Part D. Brand-name drugs were 42% of claims.

  1. Dan Nguyen69
  2. Specialty average127

Most prescribed

  1. Gavilyte-G40 claims
  2. Abrysvo11 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.

1,566 pharmacist records list a San Diego practice address

They are 1,566 of the 52,937 NPPES records with a San Diego practice address, and 32,698 pharmacist records in California.

Other pharmacist records in California

  1. Caroline A-Haja, PHARM.D.San Pedro, CA1851664361
  2. Gayatri AachiLivermore, CA1235660754
  3. Adrian Karlos Aala, PHARMD, RPHHayward, CA1023955499
  4. Mahshid Aalam, PHARMDLos Angeles, CA1659086155
  5. Jaleh AaliiveliSan Ramon, CA1336629963
  6. Cassi Aarvig, RPHTracy, CA1023679941
  7. Meara Michi AbadOrange, CA1750181178
  8. Nader Abadier, RPHFontana, CA1326255647
  9. Samia Abadier, RPHFontana, CA1548742836
  10. Sandy Abadir, RPHChino Hills, CA1811644412

Common questions

What is Dan Nguyen's NPI number?

Dan Nguyen's National Provider Identifier (NPI) is 1184404295, issued on Oct 5, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Dan Nguyen located?

The NPPES record lists a practice address at 10631 Tierrasanta Blvd, San Diego, CA, 92124. Phone: (858) 576-0972. Providers update this record themselves, so call before visiting.

How can I verify Dan Nguyen's license?

NPPES lists California license number 88577, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Dan Nguyen prescribe under Medicare Part D?

In 2024, Dan Nguyen had 69 Medicare Part D claims for 67 beneficiaries; the average among pharmacist prescribers was 127. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.