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

Dr. David Z. Ritvo, MD

Individual provider Psychiatry Physician · NPI 1205832094

Dr. David Z. Ritvo, MD is a Psychiatry Physician in Walnut Creek, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2005
Specialties on file
2
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

1910 Olympic Blvd Ste 230
Walnut Creek, CA 94596-5070
Phone: (925) 944-1002
Fax: (925) 939-4159
Show map & directions

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

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence G30097 (CA)
Child & Adolescent Psychiatry Physician Taxonomy 2084P0804X · Licence G30097 (CA)

Record details

NPI number1205832094
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 26, 2005
Last updated in NPPESSeptember 11, 2025

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