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

John Wai-Ying Yee, MD

Individual provider Internal Medicine Physician · NPI 1497755466

John Wai-Ying Yee, MD is an Internal Medicine Physician in Pleasanton, California. Licensed in California. Registered with an NPI since 2005.

Licensed in
CA
In the registry since
2005
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

5575 W Las Positas Blvd #130
Pleasanton, CA 94588-5801
Phone: (925) 463-0590
Fax: (925) 463-0708
Show map & directions

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

Specialties & licences

Pulmonary Disease Physician (primary) Taxonomy 207RP1001X · Licence G39802 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence G39802 (CA)
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X · Licence G39802 (CA)

Record details

NPI number1497755466
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 29, 2005
Last updated in NPPESOctober 6, 2011

Other providers in Pleasanton