Psychologist | Clinical Psychology

Justine Duyst, PSYD

416 Santa Paula Ave, Pasadena, California, 91107-2931

About Justine Duyst

Justine Duyst is a psychologist based in Pasadena, California who is specialized in Clinical Psychology. Active license number of Justine Duyst is PSY35549 for Clinical Psychology in California. Her current practice location is 416 Santa Paula Ave, Pasadena. Patients can contact her at 559-991-5750. Justine Duyst, PSYD, specializes in Clinical Psychology and her NPI number (Unique professional ID assigned by NPPES) is 1639961964.

Justine Duyst 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). Her main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that she can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Practice Information

Justine Duyst'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 Justine Duyst
Specialization Clinical Psychology
Credentials PSYD
Gender Female
Practice Address: 416 Santa Paula Ave,
Pasadena, CA - 91107-2931

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.

NPI Number1639961964
NPI Enumeration Date: 21 May, 2025
NPI Last Update On: 21 May, 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 Justine Duyst are as mentioned below.

License NumberSpecializationStateStatus
PSY35549Clinical Psychology CaliforniaPrimary

Mailing Address

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

Justine Duyst
416 Santa Paula Ave,
Pasadena, CA - 91107-2931
Phone: 559-991-5750

Book an Appointment with Justine Duyst

To schedule an appointment, contact Justine Duyst at 416 Santa Paula Ave, Pasadena, California or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Justine Duyst:

Justine Duyst is a psychologist specializing in Clinical Psychology. She 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). Her main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that she can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Yes, Justine Duyst 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.

Justine Duyst practices at 416 Santa Paula Ave, Pasadena, California, 91107-2931.

To schedule an appointment with Justine Duyst, please contact the office at 559-991-5750.

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