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
Mailing address4400 Keller Ave Ste 200, Oakland, CA 94605-4229

Other providers in Oakland