Psychologist | Clinical Psychology | 15+ years experience

John Pietrzak, PSY.D.

21838 Encina Rd, Topanga, California, 90290-3527

About John Pietrzak

John Pietrzak is a psychologist based in Topanga, California with 15 years of experience in Clinical Psychology. He completed his graduation in 2011. He accepts the Medicare-approved amount. Patients will not be billed for any more than the Medicare deductible and coinsurance. Active license number of John Pietrzak is PSY27360 for Clinical Psychology in California. His current practice location is 21838 Encina Rd, Topanga. Patients can contact him at 310-663-7163. John Pietrzak, PSY.D., specializes in Clinical Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1922480946.

John Pietrzak 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.

Practice Information

John Pietrzak'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 John Pietrzak
Specialization Clinical Psychology
Credentials PSY.D.
Accepts Medicare Assignment Yes
Experience 15+ years
Graduation Year 2011
Gender Male
Practice Address: 21838 Encina Rd,
Topanga, CA - 90290-3527

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 2062728991
Enrollment ID I20150908002375
NPI Number1922480946
NPI Enumeration Date: 25 Jun, 2015
NPI Last Update On: 13 Dec, 2024

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 John Pietrzak are as mentioned below.

License NumberSpecializationStateStatus
PSY27360Clinical Psychology CaliforniaPrimary

Other Medical Identifiers

Other professional identifiers associated with John Pietrzak such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
IdentifierTypeStateIssuer
PSY27360OtherCaliforniaSTATE LICENSE
CB240514MedicaidCalifornia

Mailing Address

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

John Pietrzak
21838 Encina Rd,
Topanga, CA - 90290-3527
Phone: 310-663-7163

Book an Appointment with John Pietrzak

To schedule an appointment, contact John Pietrzak at 21838 Encina Rd, Topanga, California or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about John Pietrzak:

John Pietrzak 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.

John Pietrzak has approximately 15 years of experience in Clinical Psychology.

Yes, John Pietrzak accepts Medicare assignment, meaning the provider participates in Medicare and accepts Medicare-approved amounts for eligible services.

Yes, John Pietrzak 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.

John Pietrzak practices at 21838 Encina Rd, Topanga, California, 90290-3527.

To schedule an appointment with John Pietrzak, please contact the office at 310-663-7163.

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