Registry data as of Aug 27, 2026

Diana Tran

Family Medicine Physician · Milpitas, CA

Diana Tran is a family medicine physician with a practice address in Milpitas, California, and NPI 1912571829, issued on May 14, 2021. Check the license (California A195892, as entered in NPPES) on the Medical Board of California; 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
1912571829
Name
Diana Tran
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
A195892 CA
125079548 IL
Self-reported in NPPES; status is on the state search
Practice location
100 N Milpitas Blvd, Milpitas, CA 95035
Phone
(800) 478-8837
Enumerated
May 14, 2021
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 100 N Milpitas Blvd

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

  1. Samarth Bhatnagar, DOFamily Medicine Physician1083364905
  2. Kiana Pham, PA-CPhysician Assistant1467082677
  3. Cindy Qian, MDInternal Medicine Physician1679090880
  4. Mengyou Wu, MDPediatrics Physician1386148302

Verify Diana 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 A195892
    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

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 →

96% fewer Medicare Part D claims than the average family medicine physician in 2024

148 Medicare Part D claims for 32 beneficiaries, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D.

  1. Diana Tran148
  2. Specialty average3,519

Most prescribed

  1. Lamotrigine22 claims
  2. Amlodipine Besylate16 claims
  3. Atorvastatin Calcium13 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: $109.28

1 payment, mostly food and beverage; the largest payer was Novo Nordisk Inc. The 53,013 providers of this specialty with any payment received $861.30 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Diana Tran$109.28
  2. Specialty average$861.30

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

2 hospital and facility affiliations

  1. Endeavor Health Medical GroupEvanston, IL
  2. Sutter Bay Medical FoundationMilpitas, CA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

14 family medicine physician records list a Milpitas practice address

They are 14 of the 878 NPPES records with a Milpitas practice address, and 16,272 family medicine physician records in California.

Other family medicine physician records in California

  1. Omer Aba-Omer, MDSanta Monica, CA1649702093
  2. Michelle Ababa, MDWilmington, CA1710922513
  3. Anna Tzeitel Abalos, MDRoseville, CA1720200017
  4. Adan Abarca, MDAnaheim, CA1760553689
  5. Vanessa Abarca, DOVentura, CA1952040859
  6. Lorraine Abate, M.D.Sacramento, CA1104840008
  7. Robert Abatecola, MDCastro Valley, CA1669551719
  8. Romeo Abaya, M.D.Cottonwood, CA1598053506
  9. Effiem Abbah, MD, MPHSan Francisco, CA1821185133
  10. Khuzeman Abbasi, MDSanta Rosa, CA1841979952

Common questions

What is Diana Tran's NPI number?

Diana Tran's National Provider Identifier (NPI) is 1912571829, issued on May 14, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Diana Tran located?

The NPPES record lists a practice address at 100 N Milpitas Blvd, Milpitas, CA, 95035. Phone: (800) 478-8837. Providers update this record themselves, so call before visiting.

How can I verify Diana Tran's license?

NPPES lists California license number A195892, 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 Diana Tran prescribe under Medicare Part D?

In 2024, Diana Tran had 148 Medicare Part D claims for 32 beneficiaries; the average among family medicine physician prescribers was 3,519. 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.