Tam T. Nguyen
Pharmacist · Colton, CA
Tam T. Nguyen is a pharmacist with a practice address in Colton, California, and NPI 1497163083, issued on Jul 27, 2014. Check the license (California 56298, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Tam T. Nguyen
- Primary taxonomy
- Pharmacist 183500000X
- License number
- 56298 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1120 S Mount Vernon Ave, Colton, CA 92324
- Phone
- (909) 783-0390
- Enumerated
- Jul 27, 2014
- Record last updated
- Jul 27, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (909) 783-7531
- Entity
- Type 1 · individual
Also registered at 1120 S Mount Vernon Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kristy Cao, PHARM.DPharmacist1780183392
- Laura Garnica, ODOptometrist1598348468
- Annie NguyenPharmacist1316499056
- Lien Nguyen, O.D.Optometrist1396896791
Verify Tam T. 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 56298Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Most of these Medicare Part D claims are vaccines, 100% of the cost of the top drugs
31 Medicare Part D claims for 29 beneficiaries, against an average of 119 among the 28,524 providers of this specialty who prescribed in Part D. Brand-name drugs were 100% of claims.
Most prescribed
Pharmacies often give vaccines under a standing order that names one clinician, and CMS counts every such claim under that clinician's NPI. These claims are therefore not a measure of this clinician's own prescribing.
- Shingrix20 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.
57 pharmacist records list a practice address in Colton
They are 57 of the 2,459 NPPES records with a practice address in Colton, and 32,533 pharmacist records in California.
All 57 in Colton → All 32,533 in California → Every provider in Colton →
Other pharmacist records in California
- Caroline A-Haja, PHARM.D.San Pedro, CA1851664361
- Gayatri AachiLivermore, CA1235660754
- Adrian Karlos Aala, PHARMD, RPHHayward, CA1023955499
- Mahshid Aalam, PHARMDLos Angeles, CA1659086155
- Jaleh AaliiveliSan Ramon, CA1336629963
- Cassi Aarvig, RPHTracy, CA1023679941
- Meara Michi AbadOrange, CA1750181178
- Nader Abadier, RPHFontana, CA1326255647
- Samia Abadier, RPHFontana, CA1548742836
- Sandy Abadir, RPHChino Hills, CA1811644412
Common questions
What is Tam T. Nguyen's NPI number?
Tam T. Nguyen's National Provider Identifier (NPI) is 1497163083, issued on Jul 27, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Tam T. Nguyen located?
The NPPES record lists a practice address at 1120 S Mount Vernon Ave, Colton, CA, 92324. Phone: (909) 783-0390. Providers update this record themselves, so call before visiting.
How can I verify Tam T. Nguyen's license?
NPPES lists California license number 56298, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Tam T. Nguyen prescribe under Medicare Part D?
In 2024, Tam T. Nguyen had 31 Medicare Part D claims for 29 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.