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Internal Medicine

Ryan B. Tran, MD

Sees patients in Mission Viejo, CA · San Juan Capistrano, CA · California

Summary

Ryan B. Tran, MD (Internal Medicine) is enrolled with Medicare at 2 practice locations in Mission Viejo, CA and San Juan Capistrano, CA. NPI 1801998174. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Ryan B. 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
YesAccepts Medicare assignment
27Years since medical school (graduated 1999)
Rush Medical College Of Rush UniversityMedical school
MaleGender (as listed)
HGRT Medical Group IncGroup practice

Quick answers

Where does Ryan B. Tran see patients?
Medicare's clinician data lists 2 practice locations, including Mission Viejo, CA and San Juan Capistrano, CA. Call before your visit to confirm the address.
What is Ryan B. Tran's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Ryan B. Tran accept Medicare assignment?
Yes. Medicare's clinician data says Ryan B. Tran accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Ryan B. Tran?
(949) 529-0939, as listed in official Medicare / NPI Registry data.
What is Ryan B. Tran's NPI number?
1801998174. 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 Ryan B. Tran is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Ryan B. Tran as a member of this group (CMS data updated 2026-10-02).

  • HGRT Medical Group Inc2 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Mission Viejo

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

All internal medicine doctors in Mission Viejo →

Clinician information

CredentialMD
Medical schoolRush Medical College Of Rush University
Graduation year1999
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1801998174
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