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

Dr. Lynn C Siegel, PSYD

Individual provider Clinical Psychologist · NPI 1063507713

Dr. Lynn C Siegel, PSYD is a Clinical Psychologist in Calabasas, California. Qualified in 1992, 34 years ago. Practices with Act-Associates in Clinical Therapy, a Psychological Corporation, a 3-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California and Illinois.

Years since qualifying
34
Licensed in
CA, IL
In the registry since
2006
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

22231 Mulholland Hwy Ste 106
Calabasas, CA 91302-5178
Phone: (818) 222-9300
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence PSY 15371 (CA)
Clinical Psychologist Taxonomy 103TC0700X · Licence 071.004866 (IL)

Record details

NPI number1063507713
Entity typeIndividual (Type 1)
GenderMale
Credentials PSYD
Sole proprietorYes
NPI enumeratedOctober 4, 2006
Last updated in NPPESOctober 11, 2020
Certification dateOctober 11, 2020

Medicare enrollment

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

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 1992 (34 years in practice)
Group practice Act-Associates In Clinical Therapy, A Psychological Corporation — 3 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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