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

Dr. Andrew Yen, MD

Individual provider Internal Medicine Physician · NPI 1992781884

Dr. Andrew Yen, MD is an Internal Medicine Physician in Mather, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2005
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

10535 Hospital Way 111/G Division Of Gastroenterology
Mather, CA 95655
Phone: (916) 366-5339
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence A92631 (CA)

Record details

NPI number1992781884
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedDecember 21, 2005
Last updated in NPPESAugust 10, 2010
Mailing address10535 Hospital Way, 111/G, Division Of Gastroenterology, Mather, CA 95655

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