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

William E. Probst, MD

Individual provider Obstetrics & Gynecology Physician · NPI 1407934391

William E. Probst, MD is an Obstetrics & Gynecology Physician in Tracy, 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

2185 W Grant Line Rd
Tracy, CA 95377-7309
Phone: (209) 839-3200
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence G75094 (CA)

Record details

NPI number1407934391
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 1, 2006
Last updated in NPPESDecember 2, 2021
Mailing address1800 Harrison St Fl 7, Oakland, CA 94612-3466

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