Psychologist | 45+ years experience

Dr. Robert J. Tomaszewski

21053 Devonshire St, Suite 101, Chatsworth, California, 91311-2364

About Dr. Robert J. Tomaszewski

Dr. Robert J. Tomaszewski is a psychologist based in Chatsworth, California with 45 years of experience in Psychology. He completed his graduation in 1981. He accepts the Medicare-approved amount. Patients will not be billed for any more than the Medicare deductible and coinsurance. Active license number of Dr. Robert J. Tomaszewski is PSY7837 for Clinical Psychology in California. His current practice location is 21053 Devonshire St, Suite 101, Chatsworth. Patients can contact him at 818-886-7222 or can fax him at 818-886-7223. Dr. Robert J. Tomaszewski NPI number (Unique professional ID assigned by NPPES) is 1407951965.

Dr. Robert J. Tomaszewski is specialized in psychological testing and evaluating or assessing patient's personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning. Accordingly, he performs counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy. He can diagnose and treat mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability by psycheducational evaluation, therapy, remediation, and consultation.

Practice Information

Dr. Robert J. Tomaszewski's specialty, credentials, practice address, contact phone number and fax are as below. Patients can call on the below given phone number for appointment.

Provider Name Dr. Robert J. Tomaszewski
Specialization Psychology
Accepts Medicare Assignment Yes
Experience 45+ years
Graduation Year 1981
Gender Male
Practice Address: 21053 Devonshire St, Suite 101
Chatsworth, CA - 91311-2364
Fax 818-886-7223

Professional Identification Codes

NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to healthcare providers in the United States by the Centers for Medicare and Medicaid Services (CMS). NPI details are as mentioned below.

PAC ID 8224176359
Enrollment ID I20140130001393
NPI Number1407951965
NPI Enumeration Date: 13 Sep, 2006
NPI Last Update On: 11 Sep, 2025

Medical Licenses:

Healthcare professionals can hold one or more medical licenses for different specialties in the same state or different states. Related medical licenses for Dr. Robert J. Tomaszewski are as mentioned below.

License NumberSpecializationStateStatus
PSY7837Clinical Psychology CaliforniaPrimary
PSY7837Clinical Neuropsychologist CaliforniaSecondary

Mailing Address

Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned Practice address.

Dr. Robert J. Tomaszewski
21053 Devonshire St, Suite 101
Chatsworth, CA - 91311-2364
Phone: 818-886-7222
Fax: 818-886-7223

Book an Appointment with Dr. Robert J. Tomaszewski

To schedule an appointment, contact Dr. Robert J. Tomaszewski at 21053 Devonshire St, Suite 101, Chatsworth, California or call the phone number listed below.

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Frequently Asked Questions

Below are some commonly asked questions about Dr. Robert J. Tomaszewski:

Dr. Robert J. Tomaszewski is a psychologist specializing in Clinical Psychology. He is a mental health professional with highly specialized training in the diagnosis and psychological treatment of mental, behavioral and emotional illnesses, including obsessive-compulsive disorder (OCD). His main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that he can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Dr. Robert J. Tomaszewski has approximately 45 years of experience in Clinical Psychology.

Yes, Dr. Robert J. Tomaszewski accepts Medicare assignment, meaning the provider participates in Medicare and accepts Medicare-approved amounts for eligible services.

Yes, Dr. Robert J. Tomaszewski is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.
*Availability may change. Please contact the office directly to ask about appointments.

Dr. Robert J. Tomaszewski practices at 21053 Devonshire St, Suite 101, Chatsworth, California, 91311-2364.

To schedule an appointment with Dr. Robert J. Tomaszewski, please contact the office at 818-886-7222.

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**Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 14 September, 2026.