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

William Patrick Joseph, MD

Individual provider Infectious Disease Physician · NPI 1356423255

William Patrick Joseph, MD is an Infectious Disease Physician in San Ramon, California. Practices as a sole proprietor. Licensed in California.

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

5601 Norris Canyon Rd Ste #220
San Ramon, CA 94583-5407
Phone: (925) 277-2050
Fax: (925) 275-1018
Show map & directions

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

Specialties & licences

Infectious Disease Physician (primary) Taxonomy 207RI0200X · Licence G27536 (CA)

Record details

NPI number1356423255
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedOctober 19, 2006
Last updated in NPPESApril 19, 2022
Certification dateApril 19, 2022
Mailing address12677 Alcosta Blvd Ste 378, San Ramon, CA 94583-4410

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