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

Dr. Ellen Khamistos Weissman, PSYD

Individual provider Psychologist · NPI 1811013881

Dr. Ellen Khamistos Weissman, PSYD is a Clinical Psychologist in Westlake Village, California. Qualified in 2008, 18 years ago. Practices with Dr Weissman Psychology, Inc, a 2-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
18
Licensed in
CA
In the registry since
2007
Specialties on file
2
What do these letters mean?
PSYD — Doctor of Psychology
A doctoral psychologist trained primarily for clinical practice.

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Practice location Address checks out

5706 Corsa Ave Ste 200I
Westlake Village, CA 91362-4057
Phone: (818) 336-1041
Show map & directions

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

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X
Clinical Psychologist Taxonomy 103TC0700X · Licence 24880 (CA)

Record details

NPI number1811013881
Entity typeIndividual (Type 1)
GenderFemale
Credentials PSYD
Sole proprietorYes
NPI enumeratedMarch 22, 2007
Last updated in NPPESApril 5, 2021
Certification dateMarch 14, 2021

Medicare enrollment

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

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 2008 (18 years in practice)
Group practice Dr. Weissman Psychology, Inc — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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