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

Dr. Samuel Himelstein, PHD

Individual provider Addiction (Substance Use Disorder) Psychologist · NPI 1265749790

Dr. Samuel Himelstein, PHD is an Addiction (Substance Use Disorder) Psychologist in Oakland, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2010
Specialties on file
4
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

4400 Keller Ave Ste 200
Oakland, CA 94605-4229
Phone: (510) 295-8977
Show map & directions

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence PSY25229 (CA)
Addiction (Substance Use Disorder) Psychologist Taxonomy 103TA0400X · Licence PSY25229 (CA)
Clinical Child & Adolescent Psychologist Taxonomy 103TC2200X · Licence PSY25229 (CA)
Group Psychotherapy Psychologist Taxonomy 103TP2701X · Licence PSY25229 (CA)

Record details

NPI number1265749790
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedSeptember 3, 2010
Last updated in NPPESJuly 13, 2019

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