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

William Boyce Davis, MD

Individual provider Family Medicine Physician · NPI 1336145689

William Boyce Davis, MD is a Family Medicine Physician in Winters, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2005
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

107 Main St
Winters, CA 95694-1930
Phone: (530) 795-1110
Fax: (530) 795-1115
Show map & directions

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

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence G54959 (CA)

Record details

NPI number1336145689
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 22, 2005
Last updated in NPPESMarch 7, 2023

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