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

Individual provider Pediatrics Physician · NPI 1073575312

Dr. William H. Birtwhistle, MD is a Pediatrics Physician in Sonora, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
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

12791 Cabezut Rd
Sonora, CA 95370-5926
Phone: (209) 532-5524
Fax: (209) 532-1518
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatrics Physician (primary) Taxonomy 208000000X · Licence G27815 (CA)

Record details

NPI number1073575312
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 3, 2006
Last updated in NPPESJuly 13, 2026

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