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

Willis L Gelston, MD

Individual provider Geriatric Medicine (Family Medicine) Physician · NPI 1134188360

Willis L Gelston, MD is a Geriatric Medicine (Family Medicine) Physician in San Leandro, 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

13851 E 14th St Ste 102
San Leandro, CA 94578-2631
Phone: (510) 351-2100
Fax: (510) 357-3389
Show map & directions

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

Specialties & licences

Geriatric Medicine (Family Medicine) Physician (primary) Taxonomy 207QG0300X · Licence C32875 (CA)

Record details

NPI number1134188360
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMarch 17, 2006
Last updated in NPPESJuly 8, 2007

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