NPPES file of Aug 9, 2026

Tam Nguyen

Foot & Ankle Surgery Podiatrist · Fullerton, CA

Tam Nguyen is a foot & ankle surgery podiatrist with a practice address in Fullerton, California, and NPI 1245685320, issued on Apr 26, 2016. Check the license (California E5551, 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, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1245685320
Name
Tam Nguyen
Primary taxonomy
Foot & Ankle Surgery Podiatrist 213ES0103X
License number
E5551 CA
Self-reported in NPPES; status is on the state search
Practice location
300 N Euclid St, Fullerton, CA 92832
Phone
(714) 888-6860
Enumerated
Apr 26, 2016
Record last updated
Jan 17, 2022
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.
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Also registered at 300 N Euclid St

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

  1. Jonathan Bennett, D.P.M.Foot & Ankle Surgery Podiatrist1497850325
  2. Alexandra Jacobs, DPMFoot & Ankle Surgery Podiatrist1265016612
  3. Corey Lejeune, DPMFoot & Ankle Surgery Podiatrist1891949426
  4. Stephanie Nanson, DPMFoot & Ankle Surgery Podiatrist1336237015
  5. Serra Ryu, D.P.M.Podiatrist1174848568

Verify Tam 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 E5551
    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

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51% fewer Medicare Part D claims than the average foot & ankle surgery podiatrist in 2024

164 Medicare Part D claims for 90 beneficiaries, against an average of 335 among the 7,761 providers of this specialty who prescribed in Part D.

  1. Tam Nguyen164
  2. Specialty average335

Most prescribed

  1. Cephalexin36 claims
  2. Ciclopirox33 claims
  3. Meloxicam19 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.

Industry payments in 2024: $185.34

6 payments; by number, the most common kind was food and beverage; the largest payer was Smith+Nephew, Inc. The 6,936 providers of this specialty with any payment received $2,972.24 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Tam Nguyen$185.34
  2. Specialty average$2,972.24

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Tam Nguyen among 1,248 foot & ankle surgery podiatrist records in California

Tam Nguyen is one of 1,248 foot & ankle surgery podiatrist records with a practice address in California. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 70% of them.

  • NPI issued2016 · 70% of these records are older, 27% newer
  • In a Medicare fileYes · 86% of these records are
  • In the CMS Doctors and Clinicians fileNo · 78% of these records are
  • Record last updated2022 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 213ES0103X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Foot & Ankle Surgery Podiatrist providers in California

There are 1,248 foot & ankle surgery podiatrist records in California.

The 8 foot & ankle surgery podiatrist records with the nearest ZIP codes

  1. Jonathan Bennett, D.P.M.Fullerton, CA 928321497850325
  2. Alexandra Jacobs, DPMFullerton, CA 928321265016612
  3. Corey Lejeune, DPMFullerton, CA 928321891949426
  4. Eric Naasz, D.P.M.Fullerton, CA 928321609038264
  5. Stephanie Nanson, DPMFullerton, CA 928321336237015
  6. Dale Rosenblum, DPMFullerton, CA 928321144211889
  7. Lisbeth Keplinger, D.P.M.Fullerton, CA 928351053571828
  8. Tyler Macrae, DPMFullerton, CA 928351033746649

Common questions

What is Tam Nguyen's NPI number?

Tam Nguyen's National Provider Identifier (NPI) is 1245685320, issued on Apr 26, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Tam Nguyen located?

The NPPES record lists a practice address at 300 N Euclid St, Fullerton, CA, 92832. Phone: (714) 888-6860. Providers update this record themselves, so call before visiting.

How can I verify Tam Nguyen's license?

NPPES lists California license number E5551, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Tam Nguyen prescribe under Medicare Part D?

In 2024, Tam Nguyen had 164 Medicare Part D claims for 90 beneficiaries; the average among foot & ankle surgery podiatrist prescribers was 335. 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.