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

Dr. William Maxwell Buchholz, MD

Individual provider Internal Medicine Physician · NPI 1699774406

Dr. William Maxwell Buchholz, MD is an Internal Medicine Physician in Los Altos, California. Practices as a sole proprietor. Licensed in California.

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

851 Fremont Ave #104
Los Altos, CA 94024-5698
Phone: (650) 980-1982
Fax: (650) 229-1011
Show map & directions

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

Specialties & licences

Hematology (Internal Medicine) Physician (primary) Taxonomy 207RH0000X · Licence G-23475 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence G-23475 (CA)
Medical Oncology Physician Taxonomy 207RX0202X · Licence G-23475 (CA)

Record details

NPI number1699774406
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 14, 2005
Last updated in NPPESJuly 25, 2013

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