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

Gastroenterology

Aaron J. Yeoh, MD

Works at hospitals in Stanford, CA · Pleasanton, CA · California

Summary

Aaron J. Yeoh, MD (Gastroenterology) is listed by Medicare at 2 hospitals in Stanford, CA and Pleasanton, CA. NPI 1043742331. 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 Aaron J. Yeoh, 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
YesOffers telehealth
9Years since medical school (graduated 2017)
Harvard Medical SchoolMedical school
MaleGender (as listed)
Stanford Health CareGroup practice

Quick answers

Which hospitals does Aaron J. Yeoh work at?
Medicare's official clinician data lists Aaron J. Yeoh at 2 hospitals: Stanford Health Care and Stanford Health Care Tri-Valley. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Aaron J. Yeoh see patients?
Medicare's clinician data lists 1 practice location in Stanford, CA. Call before your visit to confirm the address.
What is Aaron J. Yeoh's specialty?
Medicare lists Gastroenterology as the primary specialty, and also Internal Medicine.
Does Aaron J. Yeoh accept Medicare assignment?
Yes. Medicare's clinician data says Aaron J. Yeoh 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 Aaron J. Yeoh offer telehealth?
Medicare's clinician data says Aaron J. Yeoh offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Aaron J. Yeoh?
(650) 723-4000, as listed in official Medicare / NPI Registry data.
What is Aaron J. Yeoh's NPI number?
1043742331. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Aaron J. Yeoh works

Medicare's Facility Affiliation Data lists Aaron J. Yeoh 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 Aaron J. Yeoh is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Aaron J. Yeoh as a member of this group (CMS data updated 2026-10-02).

  • Stanford Health Care3,122 clinicians in the group

Specialties

Find other Gastroenterology doctors in California →

Other gastroenterologists in Stanford

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

All gastroenterologists in Stanford →

Clinician information

CredentialMD
Medical schoolHarvard Medical School
Graduation year2017
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1043742331
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