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

William D Busby, MD

Individual provider Emergency Medicine Physician · NPI 1407986649

William D Busby, MD is an Emergency Medicine Physician in Fremont, California. Licensed in California. Registered with an NPI since 2007.

Licensed in
CA
In the registry since
2007
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

2000 Mowry Ave
Fremont, CA 94538-1716
Phone: (510) 791-3430
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence G63361 (CA)

Record details

NPI number1407986649
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 6, 2007
Last updated in NPPESJuly 9, 2007
Mailing address39159 Paseo Padre Pkwy, Suite 232, Fremont, CA 94538-1608

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