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

Dr. Andrew C Ko, MD

Individual provider Gastroenterology Physician · NPI 1437170990

Dr. Andrew C Ko, MD is a Gastroenterology in Yorba Linda, California. Graduated from R Franklin University of Med & SCI/Chicago Medical School in 1986, 40 years ago. Practices with Uc Regents, a 306-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
40
Trained at
R Franklin University of Med & SCI/Chicago Medical School
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

16671 E Yorba Linda Blvd Ste 210
Yorba Linda, CA 92886
Phone: (714) 996-3700
Fax: (714) 985-6480
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence G61260 (CA)

Record details

NPI number1437170990
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 21, 2006
Last updated in NPPESJune 2, 2026
Certification dateJune 2, 2026

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolR FRANKLIN UNIVERSITY OF MED & SCI/CHICAGO MEDICAL SCHOOL
Graduated 1986 (40 years in practice)
Group practice Uc Regents — 306 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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