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

Gerald L Tarder, MD

Individual provider Gastroenterology Physician · NPI 1396833984

Gerald L Tarder, MD is a Gastroenterology Physician in Walnut Creek, 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

130 La Casa Via Ste 107
Walnut Creek, CA 94598-3045
Phone: (925) 938-6060
Fax: (925) 938-0119
Show map & directions

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

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence G26001 (CA)

Record details

NPI number1396833984
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedOctober 10, 2006
Last updated in NPPESJuly 8, 2007

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