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Internal Medicine

Alexander Tran, DO

Sees patients in Fullerton, CA · Huntington Beach, CA · California

Summary

Alexander Tran, DO (Internal Medicine) is enrolled with Medicare at 2 practice locations in Fullerton, CA and Huntington Beach, CA. NPI 1144908674. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Alexander Tran, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Internal MedicinePrimary specialty
May acceptAccepts Medicare assignment
3Years since medical school (graduated 2023)
Touro Un College Of Osteopathic Medicine, VallejoMedical school
MaleGender (as listed)

Quick answers

Where does Alexander Tran see patients?
Medicare's clinician data lists 2 practice locations, including Fullerton, CA and Huntington Beach, CA. Call before your visit to confirm the address.
What is Alexander Tran's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Alexander Tran accept Medicare assignment?
Medicare's clinician data says Alexander Tran may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
What is Alexander Tran's NPI number?
1144908674. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Alexander Tran is enrolled with Medicare (CMS data updated 2026-10-02).

  • 2000 E Chapman Ave, Suite 100Fullerton, CA 92831
  • 8822 Dorsett DrHuntington Beach, CA 92646

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Fullerton

Clinicians with the same Medicare primary specialty in Fullerton, CA — not a recommendation.

All internal medicine doctors in Fullerton →

Clinician information

CredentialDO
Medical schoolTouro Un College Of Osteopathic Medicine, Vallejo
Graduation year2023
Gender (as listed)Male
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1144908674
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians