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Geriatric Medicine

Roger N. Tran, MD

Works at hospitals in Garden Grove, CA · Laguna Hills, CA · Mission Viejo, CA · California

Summary

Roger N. Tran, MD (Geriatric Medicine) is listed by Medicare at 3 hospitals in Garden Grove, CA, Laguna Hills, CA and Mission Viejo, CA. NPI 1649234949. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Roger N. 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

Geriatric MedicinePrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
25Years since medical school (graduated 2001)
MaleGender (as listed)
Healthcare Partners Affiliates Medical GroupGroup practice (+1 more)

Quick answers

Which hospitals does Roger N. Tran work at?
Medicare's official clinician data lists Roger N. Tran at 3 hospitals: Garden Grove Hospital & Medical Center, Memorialcare Saddleback Medical Center and Providence Mission Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Roger N. Tran see patients?
Medicare's clinician data lists 4 practice locations, including Garden Grove, CA, Laguna Hills, CA and San Juan Capistrano, CA. Call before your visit to confirm the address.
What is Roger N. Tran's specialty?
Medicare lists Geriatric Medicine as the primary specialty, and also Family Practice.
Does Roger N. Tran accept Medicare assignment?
Yes. Medicare's clinician data says Roger N. 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.
Does Roger N. Tran offer telehealth?
Medicare's clinician data says Roger N. Tran offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Roger N. Tran?
(949) 812-9903, as listed in official Medicare / NPI Registry data.
What is Roger N. Tran's NPI number?
1649234949. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Roger N. Tran works

Medicare's Facility Affiliation Data lists Roger N. Tran at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

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

Group practices

Medicare enrollment lists Roger N. Tran as a member of these groups (CMS data updated 2026-10-02).

  • Healthcare Partners Affiliates Medical Group754 clinicians in the group
  • Grace Geriatric Care Inc2 clinicians in the group

Specialties

Find other Geriatric Medicine doctors in California →

Other geriatricians in California

Clinicians with the same Medicare primary specialty in California — not a recommendation.

All geriatricians in California →

Clinician information

CredentialMD
Graduation year2001
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1649234949
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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians