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

Sung J Yoo, MD

Individual provider Gastroenterology Physician · NPI 1437141587

Sung J Yoo, MD is a Gastroenterology in Diamond Bar, California. Graduated from University of Chicago, Pritzker School of Medicine in 1990, 36 years ago. Accepts Medicare assignment. Licensed in California.

Years since qualifying
36
Trained at
University of Chicago, Pritzker School of Medicine
Licensed in
CA
In the registry since
2005
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

1900 S Brea Canyon Rd Unit B
Diamond Bar, CA 91765-4059
Phone: (626) 913-1116
Fax: (626) 913-1261
Show map & directions

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

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence G78232 (CA)

Record details

NPI number1437141587
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 16, 2005
Last updated in NPPESJune 26, 2024
Certification dateJune 26, 2024

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Medical schoolUNIVERSITY OF CHICAGO, PRITZKER SCHOOL OF MEDICINE
Graduated 1990 (36 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount