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

Dr. Robert J. Tomaszewski

Individual provider Clinical Neuropsychologist · NPI 1407951965

Dr. Robert J. Tomaszewski is a Clinical Psychologist in Chatsworth, California. Qualified in 1981, 45 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in California.

Years since qualifying
45
Licensed in
CA
In the registry since
2006
Specialties on file
2

Practice location Address checks out

21053 Devonshire St Ste 101
Chatsworth, CA 91311-2364
Phone: (818) 886-7222
Fax: (818) 886-7223
Show map & directions

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence PSY7837 (CA)
Clinical Neuropsychologist Taxonomy 103G00000X · Licence PSY7837 (CA)

Record details

NPI number1407951965
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedSeptember 13, 2006
Last updated in NPPESSeptember 11, 2025

Medicare enrollment

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

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 1981 (45 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare