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

Lillian Y Choi, MD

Individual provider Gastroenterology Physician · NPI 1790769818

Lillian Y Choi, MD is a Gastroenterology in Merced, California. Graduated from University of Colorado School of Medicine, Denver in 1998, 28 years ago. Works from 3 locations and accepts Medicare assignment. Licensed in Arizona and California.

Years since qualifying
28
Trained at
University of Colorado School of Medicine, Denver
Licensed in
AZ, CA
In the registry since
2005
Specialties on file
2
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

360 E Yosemite Ave Ste 300
Merced, CA 95340-8201
Phone: (209) 720-7183
Fax: (209) 720-7371
Show map & directions

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

Additional practice locations (2)

  • 7000 Boulder Ave, Highland, CA 92346-3348 — (909) 862-1191
  • 1083 Los Palos Dr, Salinas, CA 93901-3901 — (831) 771-1456

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence A70839 (CA)
Gastroenterology Physician Taxonomy 207RG0100X · Licence 30991 (AZ)

Record details

NPI number1790769818
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 1, 2005
Last updated in NPPESMarch 24, 2022
Certification dateMarch 24, 2022
Mailing address360 E Yosemite Ave Ste 300, Merced, CA 95340-8201

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolUNIVERSITY OF COLORADO SCHOOL OF MEDICINE, DENVER
Graduated 1998 (28 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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