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

Dr. Mark Stahlhuth, PHD

Individual provider Clinical Psychologist · NPI 1821389164

Dr. Mark Stahlhuth, PHD is a Clinical Psychologist in Thousand Oaks, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2011
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

100 E Thousand Oaks Blvd Ste 160
Thousand Oaks, CA 91360-5713
Phone: (805) 908-1033
Show map & directions

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence PSY14200 (CA)

Record details

NPI number1821389164
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedApril 20, 2011
Last updated in NPPESApril 20, 2011

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