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

Dr. Wan Cheng Yeap, MD

Individual provider Internal Medicine Physician · NPI 1326184144

Dr. Wan Cheng Yeap, MD is an Internal Medicine Physician in Fontana, California. Practices as a sole proprietor. Licensed in California and Rhode Island.

Licensed in
CA, RI
In the registry since
2007
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

9961 Sierra Ave Medical Staff Ofc
Fontana, CA 92335
Phone: (617) 823-8457
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence A111578 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 12263 (RI)

Record details

NPI number1326184144
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedJanuary 29, 2007
Last updated in NPPESMarch 7, 2023
Mailing address1115 W Sunset Blvd Apt 308, Los Angeles, CA 90012-3975

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