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

William L. Geissert, MD

Individual provider Internal Medicine Physician · NPI 1477631372

William L. Geissert, MD is an Internal Medicine Physician in Fresno, 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

4770 W Herndon Ave # 111
Fresno, CA 93722-8401
Phone: (559) 450-2273
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence G62194 (CA)

Record details

NPI number1477631372
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 1, 2006
Last updated in NPPESAugust 17, 2016
Mailing addressPo Box 5193, Fresno, CA 93755-5193

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