NPPES file of Aug 9, 2026

Toan Quoc Tran, M.D.

Internal Medicine Physician · Milpitas, CA

Toan Quoc Tran, M.D. is an internal medicine physician with a practice address in Milpitas, California, and NPI 1588683031, issued on Jul 18, 2006. Check the license (California A72332, 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
1588683031
Name
Toan Quoc Tran
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A72332 CA
Self-reported in NPPES; status is on the state search
Practice location
1776 N Milpitas Blvd, Milpitas, CA 95035
Phone
(408) 956-9096
Enumerated
Jul 18, 2006
Record last updated
Sep 28, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(408) 956-9095
Medicaid ID
00A722320 CA
Medicare enrollment
Enrolled (PECOS I20040318001864); may accept Medicare assignment
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 1776 N Milpitas Blvd

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

  1. Hoang-Yen Phan, D.D.S.General Practice Dentistry1710028535

Verify Toan Quoc 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 A72332
    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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3.0 times the Medicare Part D claims of the average internal medicine physician in 2024

9,460 Medicare Part D claims for 596 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 19 claims were for opioids.

  1. Toan Tran9,460
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium1,005 claims
  2. Amlodipine Besylate699 claims
  3. Metformin Hcl542 claims
  4. Losartan Potassium460 claims
  5. Lisinopril301 claims
  6. Simvastatin287 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: $169.22

3 payments; by number, the most common kind was food and beverage; the largest payer was Gilead Sciences, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Toan Tran$169.22
  2. Specialty average$1,303.06

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

Toan Quoc Tran among 17,696 internal medicine physician records in California

Toan Quoc Tran, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% 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, 56% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated1996 · median 2004 among the 11,065 with a school on file
  • Record last updated2011 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

41 internal medicine physician records list a practice address in Milpitas

They are 41 of the 878 NPPES records with a practice address in Milpitas, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Mayssoun Alhariri, MDMilpitas, CA 950351427135375
  2. Tina Cheng, MDMilpitas, CA 950351548347479
  3. Audrey Ellis, MDMilpitas, CA 950351629155577
  4. Kamal Hijazi, MDMilpitas, CA 950351558448480
  5. Thuy Huynh, MDMilpitas, CA 950351982711495
  6. Jayashree Joshi, M.D.Milpitas, CA 950351720066426
  7. Bill Jue, MDMilpitas, CA 950351902983844
  8. Richard Luu, MDMilpitas, CA 950351316024250

Common questions

What is Toan Quoc Tran, M.D.'s NPI number?

Toan Quoc Tran, M.D.'s National Provider Identifier (NPI) is 1588683031, issued on Jul 18, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Toan Quoc Tran, M.D. located?

The NPPES record lists a practice address at 1776 N Milpitas Blvd, Milpitas, CA, 95035. Phone: (408) 956-9096. Providers update this record themselves, so call before visiting.

How can I verify Toan Quoc Tran, M.D.'s license?

NPPES lists California license number A72332, 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 Toan Quoc Tran, M.D. prescribe under Medicare Part D?

In 2024, Toan Quoc Tran, M.D. had 9,460 Medicare Part D claims for 596 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.