DR. ROBERT J. TOMASZEWSKI
NPI 1407951965
Psychologist - Clinical in Chatsworth, CA
About Dr. Robert J. Tomaszewski NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ROBERT J. TOMASZEWSKI (NPI 1407951965) is an individual clinical provider in Chatsworth, California, licensed in California (PSY7837) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1981).
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Robert J. Tomaszewski is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 91311 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Robert Tomaszewski's NPI number?
The NPI number for Robert Tomaszewski is 1407951965. It was assigned to this individual provider in the NPPES registry on September 13, 2006.
Where is Robert Tomaszewski located?
Robert Tomaszewski practices at 21053 Devonshire St Suite 101, Chatsworth, CA 91311. The listed phone number is (818) 886-7222.
What is Robert Tomaszewski's specialty?
The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.
Is Robert Tomaszewski enrolled in Medicare?
Yes. Robert Tomaszewski is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
When was this NPI record last updated?
The NPPES record for Robert Tomaszewski was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.