NPPES file of Aug 9, 2026

Tina Tran, MD

Internal Medicine Physician · San Marcos, CA

Tina Tran, MD is an internal medicine physician with a practice address in San Marcos, California, and NPI 1285263830, issued on Apr 6, 2020. Check the license (California A188429, 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
1285263830
Name
Tina Tran
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A188429 CA
Self-reported in NPPES; status is on the state search
Practice location
111 Campus Way Ste 301, San Marcos, CA 92078
Phone
(760) 806-5700
Enumerated
Apr 6, 2020
Record last updated
Aug 22, 2023
Medicare enrollment
Enrolled (PECOS I20230905001691); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 111 Campus Way Ste 301

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

  1. Imran Ahmed, MDFamily Medicine Physician1588682561
  2. Caitlin Bradshaw, DOFamily Medicine Physician1720508476
  3. Tina Chu, M.D.Pediatrics Physician1386030831
  4. Jackie Lui, DOFamily Medicine Physician1184252439
  5. Haley Morton, MDFamily Medicine Physician1124686415
  6. Stephanie Posadas, DOFamily Medicine Physician1932736857

Verify Tina 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 A188429
    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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80% fewer Medicare Part D claims than the average internal medicine physician in 2024

626 Medicare Part D claims for 92 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Tina Tran626
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium55 claims
  2. Losartan Potassium41 claims
  3. Amlodipine Besylate39 claims
  4. Levothyroxine Sodium35 claims
  5. Gabapentin25 claims
  6. Pantoprazole Sodium21 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: $54.78

2 payments; by number, the most common kind was food and beverage; the largest payer was Astellas Pharma US 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. Tina Tran$54.78
  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.

Bills Medicare through one group practice

  1. Scripps HealthSan Marcos, CA

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

Tina Tran among 17,696 internal medicine physician records in California

Tina Tran, MD 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 2020, is newer than 89% of them.

  • NPI issued2020 · 89% of these records are older, 8% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2020 · median 2004 among the 11,065 with a school on file
  • Record last updated2023 · 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).

Internal Medicine Physician providers in California

There are 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Meenu Bawa, M.DSan Marcos, CA 920781154598571
  2. Justin Charles, MDSan Marcos, CA 920781811552771
  3. Lauren Clarine, D.O.San Marcos, CA 920781669738928
  4. Joseph Czvik, MDSan Marcos, CA 920781528084340
  5. Sze Hoay Ding, M.D.San Marcos, CA 920781023239035
  6. Kathryn Germeraad, DOSan Marcos, CA 920781649830498
  7. Francisco Marquez, M.D.San Marcos, CA 920781316190747
  8. Minh Nguyen, M.D.San Marcos, CA 920781154403640

Common questions

What is Tina Tran, MD's NPI number?

Tina Tran, MD's National Provider Identifier (NPI) is 1285263830, issued on Apr 6, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Tina Tran, MD located?

The NPPES record lists a practice address at 111 Campus Way Ste 301, San Marcos, CA, 92078. Phone: (760) 806-5700. Providers update this record themselves, so call before visiting.

How can I verify Tina Tran, MD's license?

NPPES lists California license number A188429, 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 Tina Tran, MD prescribe under Medicare Part D?

In 2024, Tina Tran, MD had 626 Medicare Part D claims for 92 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.