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

Nancy Marie Mullin, PSYD

Individual provider Clinical Psychologist · NPI 1467835876

Nancy Marie Mullin, PSYD is a Clinical Psychologist in Walnut Creek, California. Practices as a sole proprietor and works from 2 locations. Licensed in California.

Licensed in
CA
In the registry since
2015
What do these letters mean?
PSYD — Doctor of Psychology
A doctoral psychologist trained primarily for clinical practice.

See every abbreviation used in this directory →

Practice location Address checks out

3021 Citrus Cir Ste 240
Walnut Creek, CA 94598-2691
Phone: (925) 338-9135
Show map & directions

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

Additional practice locations (1)

  • 1572 Haight St, San Francisco, CA 94117-2913 — (415) 571-4197

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence PSY33440 (CA)

Record details

NPI number1467835876
Entity typeIndividual (Type 1)
GenderFemale
Credentials PSYD
Sole proprietorYes
NPI enumeratedJuly 2, 2015
Last updated in NPPESAugust 26, 2023
Certification dateSeptember 13, 2022

Other providers in Walnut Creek