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

Dr. Joseph W Tietz, PHD

Individual provider Psychologist · NPI 1033444542

Dr. Joseph W Tietz, PHD is a Psychologist in Oakland, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2009
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

5646 Oak Grove Ave
Oakland, CA 94618-1243
Phone: (510) 912-3438
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 22884 (CA)

Record details

NPI number1033444542
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedOctober 16, 2009
Last updated in NPPESOctober 16, 2009

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