Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Won-Tak Choi, MD, PHD

Individual provider Anatomic Pathology Physician · NPI 1275860918

Dr. Won-Tak Choi, MD, PHD is a Pathology in San Francisco, California. Graduated from University of Illinois College of Med (CHI/PEOR/ROCK/Chm-Urb) in 2009, 17 years ago. Practices with University of California San Francisco, a 1,793-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in California.

Years since qualifying
17
Trained at
University of Illinois College of Med (CHI/PEOR/ROCK/Chm-Urb)
Licensed in
CA
In the registry since
2009
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

505 Parnassus Ave # M552
San Francisco, CA 94143-2204
Phone: (415) 353-9533
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1001 Potrero Ave # 6d, San Francisco, CA 94110-3518 — (909) 544-1955

Specialties & licences

Anatomic Pathology Physician (primary) Taxonomy 207ZP0101X · Licence A132954 (CA)
Anatomic Pathology & Clinical Pathology Physician Taxonomy 207ZP0102X · Licence A132954 (CA)

Record details

NPI number1275860918
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorNo
NPI enumeratedNovember 16, 2009
Last updated in NPPESOctober 22, 2024
Certification dateOctober 22, 2024

Medicare enrollment

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

Medicare specialtyPATHOLOGY
Medical schoolUNIVERSITY OF ILLINOIS COLLEGE OF MED (CHI/PEOR/ROCK/CHM-URB)
Graduated 2009 (17 years in practice)
Group practice University Of California San Francisco — 1793 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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