Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Gastroenterology

Khoi M. Tran, MD

Works at hospitals in Corvallis, OR · Oregon

Summary

Khoi M. Tran, MD (Gastroenterology) is listed by Medicare at 1 hospital in Corvallis, OR. NPI 1821076316. 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 Khoi M. 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

GastroenterologyPrimary specialty
YesAccepts Medicare assignment
36Years since medical school (graduated 1990)
University Of California, Irvine, California College Of MedicineMedical school
MaleGender (as listed)
City of Hope Medical FoundationGroup practice (+1 more)

Quick answers

Which hospitals does Khoi M. Tran work at?
Medicare's official clinician data lists Khoi M. Tran at 1 hospital: Good Samaritan Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Khoi M. Tran see patients?
Medicare's clinician data lists 3 practice locations, including Irvine, CA and Corvallis, OR. Call before your visit to confirm the address.
What is Khoi M. Tran's specialty?
Medicare lists Gastroenterology as the primary specialty, and also Internal Medicine.
Does Khoi M. Tran accept Medicare assignment?
Yes. Medicare's clinician data says Khoi M. 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 Khoi M. Tran?
(949) 671-4673, as listed in official Medicare / NPI Registry data.
What is Khoi M. Tran's NPI number?
1821076316. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Khoi M. Tran works

Medicare's Facility Affiliation Data lists Khoi M. 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 Khoi M. Tran is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

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

  • City of Hope Medical Foundation982 clinicians in the group
  • Good Samaritan Hospital Corvallis380 clinicians in the group

Specialties

Find other Gastroenterology doctors in California →

Other gastroenterologists in Irvine

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

All gastroenterologists in Irvine →

Clinician information

CredentialMD
Medical schoolUniversity Of California, Irvine, California College Of Medicine
Graduation year1990
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1821076316
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