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

Jack Joon-Sung Choi, MD

Individual provider Emergency Medicine Physician · NPI 1710186713

Jack Joon-Sung Choi, MD is an Emergency Medicine in Walnut Creek, California. Graduated from Albert Einstein College of Medicine of Yeshiva University in 2002, 24 years ago. Practices with Southern California Permanente Medical Group, an 11,242-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
24
Trained at
Albert Einstein College of Medicine of Yeshiva University
Licensed in
CA
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1425 S Main St Hospital North 1st Fl
Walnut Creek, CA 94596-5318
Phone: (510) 625-6262
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence A99061 (CA)

Record details

NPI number1710186713
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 11, 2007
Last updated in NPPESNovember 18, 2021
Certification dateNovember 18, 2021
Mailing address1425 S Main St, Hospital North, 1st Floor, Walnut Creek, CA 94596-5318

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolALBERT EINSTEIN COLLEGE OF MEDICINE OF YESHIVA UNIVERSITY
Graduated 2002 (24 years in practice)
Group practice Southern California Permanente Medical Group — 11242 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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