Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Mr. Jack S Huynh, MD

Individual provider Internal Medicine Physician · NPI 1548334543

Mr. Jack S Huynh, MD practises Internal Medicine in San Francisco, California. Qualified in 1981, 45 years ago. Practices with North East Medical Services, a 143-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
45
Licensed in
CA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1520 Stockton St
San Francisco, CA 94133 Not confirmed with CMS for 19 years — call before visiting
Phone: (415) 391-9686
Fax: (415) 433-1139
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence A41781 (CA)

Record details

NPI number1548334543
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 20, 2006
Last updated in NPPESJuly 8, 2007

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1981 (45 years in practice)
Group practice North East Medical Services — 143 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations7 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients237
Services billed 2,061 a service is one billed item, such as a visit, a test or a procedure
Average patient age77

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician. Those with a page here are linked.

  • California Pacific Medical Center- Van Ness Campus Hospital · San Francisco, CA · listed as California Pacific Medical Center
  • Centerwell Asian American Home Health Home health agency · Alameda, CA
  • Sutter Care At Home Home health agency · San Francisco, CA

Colleagues at North East Medical Services

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 143 clinicians in the practice; 12 are shown here.

Other providers in San Francisco