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

Dr. Barbara Zachary Grelling, PHD

Individual provider Clinical Psychologist · NPI 1346309044

Dr. Barbara Zachary Grelling, PHD is a Clinical Psychologist in Orinda, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
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

61 Avenida De Orinda Ste 110
Orinda, CA 94563-2339
Phone: (925) 215-8694
Show map & directions

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence PSY15830 (CA)

Record details

NPI number1346309044
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorNo
NPI enumeratedDecember 8, 2006
Last updated in NPPESFebruary 3, 2017

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