NPPES file of Aug 9, 2026

Tuan Anh Tran, D.O., D.C.

General Practice Physician · Milpitas, CA

Tuan Anh Tran, D.O., D.C. is a general practice physician with a practice address in Milpitas, California, and NPI 1366467102, issued on Jul 13, 2006. Check the license (California 20A11925, as entered in NPPES) on the Medical Board of California; 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
1366467102
Name
Tuan Anh Tran
Credential
D.O., D.C.
Primary taxonomy
General Practice Physician 208D00000X
License numbers
20A11925 CA
DC25815 CA
Self-reported in NPPES; status is on the state search
Practice location
629 S. Main St., Milpitas, CA 95035
Phone
(408) 263-6207
Enumerated
Jul 13, 2006
Record last updated
Apr 16, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(408) 263-6245
Medicaid ID
DC0258150 CA
Medicare enrollment
Enrolled (PECOS I20140313000302); may accept Medicare assignment
Medical or professional school
Lake Erie College Of Osteopathic Medicine, Erie, 2010
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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Verify Tuan Anh Tran in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A11925
    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
Open the California license search

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99% more Medicare Part D claims than the average general practice physician in 2024

6,022 Medicare Part D claims for 310 beneficiaries, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.

  1. Tuan Tran6,022
  2. Specialty average3,030

Most prescribed

  1. Losartan Potassium458 claims
  2. Amlodipine Besylate344 claims
  3. Atorvastatin Calcium342 claims
  4. Metformin Hcl293 claims
  5. Gabapentin150 claims
  6. Simvastatin146 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.

Tuan Anh Tran among 1,956 general practice physician records in California

Tuan Anh Tran, D.O., D.C. is one of 1,956 general practice physician records with a practice address in California. 48% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 66% newer
  • In a Medicare fileYes · 48% of these records are
  • In the CMS Doctors and Clinicians fileYes · 27% of these records are
  • Graduated2010 · median 1994 among the 520 with a school on file
  • Record last updated2017 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208D00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

General Practice Physician providers in California

There are 1,956 general practice physician records in California.

The 8 general practice physician records with the nearest ZIP codes

  1. Donna Nchekwube, MDMorgan Hill, CA 950371457324931
  2. Christopher Cirone, M.D.Los Gatos, CA 950321700105400
  3. Robert Marx, MDLos Gatos, CA 950321073576351
  4. Rick Eastin, M.D.Hollister, CA 950231376841999
  5. Aye Aung, MDSanta Clara, CA 950511730672056
  6. Alex Im, MDSanta Clara, CA 950511285375980
  7. John Peterson, MDSanta Clara, CA 950511851419907
  8. Kristine Baroa, RNSanta Clara, CA 950541669342465

Common questions

What is Tuan Anh Tran, D.O., D.C.'s NPI number?

Tuan Anh Tran, D.O., D.C.'s National Provider Identifier (NPI) is 1366467102, issued on Jul 13, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Tuan Anh Tran, D.O., D.C. located?

The NPPES record lists a practice address at 629 S. Main St., Milpitas, CA, 95035. Phone: (408) 263-6207. Providers update this record themselves, so call before visiting.

How can I verify Tuan Anh Tran, D.O., D.C.'s license?

NPPES lists California license number 20A11925, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Tuan Anh Tran, D.O., D.C. prescribe under Medicare Part D?

In 2024, Tuan Anh Tran, D.O., D.C. had 6,022 Medicare Part D claims for 310 beneficiaries; the average among general practice physician prescribers was 3,030. 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.