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

Dr. Andrew S. Chao, MD

Individual provider Gastroenterology Physician · NPI 1740570514

Dr. Andrew S. Chao, MD is a Gastroenterology in Sacramento, California. Graduated from Harvard Medical School in 2011, 15 years ago. Practices with Permanente Medical Group Inc, a 10,941-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
15
Trained at
Harvard Medical School
Licensed in
CA
In the registry since
2011
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

4150 V St Ste 3500
Sacramento, CA 95817-1460
Phone: (916) 734-3751
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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 A129504 (CA)

Record details

NPI number1740570514
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 13, 2011
Last updated in NPPESDecember 16, 2021

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Medical schoolHARVARD MEDICAL SCHOOL
Graduated 2011 (15 years in practice)
Group practice Permanente Medical Group Inc — 10941 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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