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

Dr. Parker Douglas Houston, PSYD

Individual provider Clinical Psychologist · NPI 1821320839

Dr. Parker Douglas Houston, PSYD is a Clinical Psychologist in Represa, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2010
What do these letters mean?
PSYD — Doctor of Psychology
A doctoral psychologist trained primarily for clinical practice.

See every abbreviation used in this directory →

Practice location Partly verified

Some contact details are missing from the federal record.

Prison Rd
Represa, CA 95671-0001
Phone: (916) 985-8610
Fax: (916) 294-3096
Show map & directions

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence PSY22798 (CA)

Record details

NPI number1821320839
Entity typeIndividual (Type 1)
GenderMale
Credentials PSYD
Sole proprietorYes
NPI enumeratedFebruary 2, 2010
Last updated in NPPESFebruary 2, 2010

Other providers in Represa