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

Dr. Ian Thomas Johansen, PHD

Individual provider Clinical Psychologist · NPI 1558695718

Dr. Ian Thomas Johansen, PHD is a Clinical Psychologist in Cerritos, California. Qualified in 2004, 22 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in California.

Years since qualifying
22
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.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

17215 Studebaker Rd Ste #110
Cerritos, CA 90703-2548
Phone: (562) 860-2210
Fax: (562) 860-1154
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence PSY22833 (CA)

Record details

NPI number1558695718
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedSeptember 21, 2009
Last updated in NPPESSeptember 21, 2009
Mailing address17215 Studebaker Rd, Suite #110, Cerritos, CA 90703-2548

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 2004 (22 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Cerritos