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
Mailing address21053 Devonshire St, Suite 101, Chatsworth, CA 91311-2364

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