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

Gerald L Tarder, MD a Professional Corporation

Organization Gastroenterology Physician · NPI 1447424908

Gerald L Tarder, MD a Professional Corporation is a Gastroenterology Physician in Walnut Creek, California. Registered with an NPI since 2008.

In the registry since
2008

Practice location Address checks out

130 La Casa Via B2 107
Walnut Creek, CA 94598
Phone: (925) 938-6060
Fax: (925) 938-0119
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X

Record details

NPI number1447424908
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Gerald Tarder — Owner · (925) 938-6060
NPI enumeratedApril 16, 2008
Last updated in NPPESApril 16, 2008
Mailing address130 La Casa Via B2 107, Walnut Creek, CA 94598

Other providers in Walnut Creek