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

Dr. Michael Riess Lewin, PHD

Individual provider Cognitive & Behavioral Psychologist · NPI 1912364969

Dr. Michael Riess Lewin, PHD is a Cognitive & Behavioral Psychologist in Claremont, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2016
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

1601 Monte Vista Ave Ste 270
Claremont, CA 91711-2962 Not confirmed with CMS for 10 years — call before visiting
Phone: (909) 537-7303
Fax: (909) 537-7003
Show map & directions

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

Specialties & licences

Cognitive & Behavioral Psychologist (primary) Taxonomy 103TB0200X · Licence 15167 (CA)

Record details

NPI number1912364969
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedJanuary 21, 2016
Last updated in NPPESJanuary 21, 2016