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

Dr. Christopher D. Regan, PSYD

Individual provider Addiction (Substance Use Disorder) Psychologist · NPI 1861600223

Dr. Christopher D. Regan, PSYD is an Addiction (Substance Use Disorder) Psychologist in Torrance, California. Practices as a sole proprietor. Registered with an NPI since 2007.

In the registry since
2007
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 Address checks out

23440 Hawthorne Blvd Ste 280
Torrance, CA 90505-4751
Phone: (310) 870-1275
Show map & directions

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

Specialties & licences

Addiction (Substance Use Disorder) Psychologist (primary) Taxonomy 103TA0400X

Record details

NPI number1861600223
Entity typeIndividual (Type 1)
GenderMale
Credentials PSYD
Sole proprietorYes
NPI enumeratedMay 18, 2007
Last updated in NPPESJuly 28, 2021
Certification dateJuly 28, 2021