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

Dr. Yan Zhang, MD

Individual provider Internal Medicine Physician · NPI 1346264660

Dr. Yan Zhang, MD is an Internal Medicine Physician in Ontario, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2006
Specialties on file
2
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

653 E E St Ste 107
Ontario, CA 91764-4257
Phone: (626) 991-0668
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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 A120484 (CA)
Clinic/Center Taxonomy 261Q00000X · Licence A120484 (CA)

Record details

NPI number1346264660
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 27, 2006
Last updated in NPPESDecember 26, 2012

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