NPPES file of Aug 9, 2026

Nicholas Gan Tan, D.P.M.

Foot & Ankle Surgery Podiatrist · Vallejo, CA

Nicholas Gan Tan, D.P.M. is a foot & ankle surgery podiatrist with a practice address in Vallejo, California, and NPI 1346657327, issued on Jul 22, 2014. Check the license (California EL6709, 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
1346657327
Name
Nicholas Gan Tan
Credential
D.P.M.
Primary taxonomy
Foot & Ankle Surgery Podiatrist 213ES0103X
License number
EL6709 CA
Self-reported in NPPES; status is on the state search
Practice location
975 Sereno Dr, Vallejo, CA 94589
Phone
(909) 633-2881
Enumerated
Jul 22, 2014
Record last updated
Dec 6, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20190523001856); accepts Medicare assignment
Medical or professional school
Temple University School Of Medicine, 2014
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 975 Sereno Dr

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

  1. Joel Aandahl, NPAdult Health Nurse Practitioner1891423653
  2. Noman Absar, MDCritical Care Medicine (Internal Medicine) Physician1205908951
  3. Anthony Acquaviva, MDUrology Physician1457439283
  4. Jhonnard James Acuna, CRNACertified Registered Nurse Anesthetist1205997327
  5. Omid AfshariPharmacist1184165391
  6. Eesha AftabStudent in an Organized Health Care Education/Training Program1770421687

Verify Nicholas Gan Tan 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 EL6709
    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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21% fewer Medicare Part D claims than the average foot & ankle surgery podiatrist in 2024

263 Medicare Part D claims for 146 beneficiaries, against an average of 335 among the 7,761 providers of this specialty who prescribed in Part D. Brand-name drugs were 33% of claims. 14 claims were for opioids.

  1. Nicholas Tan263
  2. Specialty average335

Most prescribed

  1. Ssd49 claims
  2. Naproxen36 claims
  3. Ciclopirox27 claims
  4. Santyl22 claims
  5. Mupirocin16 claims
  6. Terbinafine Hcl16 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: $24.40

1 payment: food and beverage; the largest payer was Stryker Corporation. 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. Nicholas Tan$24.40
  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.

Bills Medicare through one group practice

  1. Southern California Permanente Medical GroupRiverside, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Nicholas Gan Tan among 1,248 foot & ankle surgery podiatrist records in California

Nicholas Gan Tan, D.P.M. 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 2014, is newer than 63% of them.

  • NPI issued2014 · 63% of these records are older, 34% newer
  • In a Medicare fileYes · 86% of these records are
  • In the CMS Doctors and Clinicians fileYes · 78% of these records are
  • Graduated2014 · median 2010 among the 970 with a school on file
  • Record last updated2021 · 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. Sambo HangVallejo, CA 945891962145359
  2. Stephen HaynamVallejo, CA 945891235511627
  3. Monica JungVallejo, CA 945891225699259
  4. Klaus Kernbach, DPMVallejo, CA 945891417013079
  5. Aaron Meltzer, DPMVallejo, CA 945891841207222
  6. Stephanie MitaVallejo, CA 945891669836763
  7. Thomas Ney, D.P.M.Vallejo, CA 945891851457006
  8. Ninveh Omlin, D.P.M.Vallejo, CA 945891245526326

Common questions

What is Nicholas Gan Tan, D.P.M.'s NPI number?

Nicholas Gan Tan, D.P.M.'s National Provider Identifier (NPI) is 1346657327, issued on Jul 22, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Nicholas Gan Tan, D.P.M. located?

The NPPES record lists a practice address at 975 Sereno Dr, Vallejo, CA, 94589. Phone: (909) 633-2881. Providers update this record themselves, so call before visiting.

How can I verify Nicholas Gan Tan, D.P.M.'s license?

NPPES lists California license number EL6709, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Nicholas Gan Tan, D.P.M. prescribe under Medicare Part D?

In 2024, Nicholas Gan Tan, D.P.M. had 263 Medicare Part D claims for 146 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.