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

Internal Medicine

Bo Sun, MD

Works at hospitals in Stanford, CA · California

Summary

Bo Sun, MD (Internal Medicine) is listed by Medicare at 1 hospital in Stanford, CA. NPI 1366946121. 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 Bo Sun, 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
8Years since medical school (graduated 2018)
Duke University School Of MedicineMedical school
MaleGender (as listed)
Stanford Health CareGroup practice

Quick answers

Which hospitals does Bo Sun work at?
Medicare's official clinician data lists Bo Sun at 1 hospital: Stanford Health Care. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Bo Sun see patients?
Medicare's clinician data lists 1 practice location in Stanford, CA. Call before your visit to confirm the address.
What is Bo Sun's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Bo Sun accept Medicare assignment?
Yes. Medicare's clinician data says Bo Sun 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 Bo Sun?
(650) 723-4000, as listed in official Medicare / NPI Registry data.
What is Bo Sun's NPI number?
1366946121. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Bo Sun works

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

Group practices

Medicare enrollment lists Bo Sun as a member of this group (CMS data updated 2026-10-02).

  • Stanford Health Care3,122 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Stanford

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

All internal medicine doctors in Stanford →

Clinician information

CredentialMD
Medical schoolDuke University School Of Medicine
Graduation year2018
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1366946121
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