Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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William Churk-Nam Auyeung, MD

Individual provider Internal Medicine Physician · NPI 1922365857

William Churk-Nam Auyeung, MD is an Internal Medicine Physician in Fremont, California. Licensed in California and Texas. Registered with an NPI since 2012.

Licensed in
CA, TX
In the registry since
2012
Specialties on file
4
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

39400 Paseo Padre Pkwy
Fremont, CA 94538-2310
Phone: (510) 248-3000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pulmonary Disease Physician (primary) Taxonomy 207RP1001X · Licence A135659 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence BP10043073 (TX)
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X · Licence A135659 (CA)
Sleep Medicine (Internal Medicine) Physician Taxonomy 207RS0012X · Licence A135659 (CA)

Record details

NPI number1922365857
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 17, 2012
Last updated in NPPESNovember 18, 2022
Certification dateNovember 18, 2022

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