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

Dr. Ellen Elizabeth Thompson, PHD

Individual provider Psychologist · NPI 1962591818

Dr. Ellen Elizabeth Thompson, PHD is a Psychologist in Mammoth Lakes, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
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

452 Old Mammoth Road 3rd Fl
Mammoth Lakes, CA 93546-2619
Phone: (760) 924-1740
Show map & directions

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

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence PSY 23634 (CA)

Record details

NPI number1962591818
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorNo
NPI enumeratedOctober 11, 2006
Last updated in NPPESJune 6, 2011

Other providers in Mammoth Lakes