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

Dr. David D. O'Grady, PHD

Individual provider Clinical Psychologist · NPI 1437375565

Dr. David D. O'Grady, PHD is a Clinical Psychologist in Walnut Creek, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2007
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

1600 S Main St Ste 177
Walnut Creek, CA 94596-8813
Phone: (925) 256-9696
Fax: (925) 256-8723
Show map & directions

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence PSY9137 (CA)

Record details

NPI number1437375565
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedApril 17, 2007
Last updated in NPPESMarch 14, 2017

Other providers in Walnut Creek