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Internal Medicine

Jack S. Huynh, MD

Works at hospitals in San Francisco, CA · California

Summary

Jack S. Huynh, MD (Internal Medicine) is listed by Medicare at 2 hospitals in San Francisco, CA. NPI 1548334543. 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 Jack S. Huynh, 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
45Years since medical school (graduated 1981)
MaleGender (as listed)
North East Medical ServicesGroup practice

Quick answers

Which hospitals does Jack S. Huynh work at?
Medicare's official clinician data lists Jack S. Huynh at 2 hospitals: California Pacific Medical Center- Van Ness Campus and Chinese Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Jack S. Huynh see patients?
Medicare's clinician data lists 7 practice locations, including San Francisco, CA and Daly City, CA. Call before your visit to confirm the address.
What is Jack S. Huynh's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Jack S. Huynh accept Medicare assignment?
Yes. Medicare's clinician data says Jack S. Huynh 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 Jack S. Huynh?
(415) 391-9686, as listed in official Medicare / NPI Registry data.
What is Jack S. Huynh's NPI number?
1548334543. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Jack S. Huynh works

Medicare's Facility Affiliation Data lists Jack S. Huynh 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 Jack S. Huynh is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.

Group practices

Medicare enrollment lists Jack S. Huynh as a member of this group (CMS data updated 2026-10-02).

  • North East Medical Services143 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in San Francisco

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

All internal medicine doctors in San Francisco →

Clinician information

CredentialMD
Graduation year1981
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1548334543
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