Psychologist | General Psychology

Dr. John Park, PHD

1370 Valley Vista Dr Ste 200, Diamond Bar, California, 91765

About Dr. John Park

Dr. John Park is a psychologist based in Diamond Bar, California who is specialized in General Psychology. Active license number of Dr. John Park is PSY30065 for Clinical Psychology in California. His current practice location is 1370 Valley Vista Dr Ste 200, Diamond Bar. Patients can contact him at 909-274-9119. Dr. John Park, PHD, specializes in General Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1750632501.

Dr. John Park 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. John Park'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. John Park
Specialization General Psychology
Credentials PHD
Gender Male
Practice Address: 1370 Valley Vista Dr Ste 200,
Diamond Bar, CA - 91765

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 Number1750632501
NPI Enumeration Date: 19 Sep, 2012
NPI Last Update On: 27 Jul, 2018

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. John Park are as mentioned below.

License NumberSpecializationStateStatus
PSY30065Clinical Psychology CaliforniaPrimary
30065General Psychology CaliforniaSecondary
Student in an Organized Health Care Education/Training Program 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. John Park
1317 S Diamond Bar Blvd Unit 4233,
Diamond Bar, CA - 91765-5610
Phone: 909-274-9119

Book an Appointment with Dr. John Park

To schedule an appointment, contact Dr. John Park at 1370 Valley Vista Dr Ste 200, Diamond Bar, California or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. John Park:

Dr. John Park 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.

Yes, Dr. John Park 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. John Park practices at 1370 Valley Vista Dr Ste 200, Diamond Bar, California, 91765.

To schedule an appointment with Dr. John Park, please contact the office at 909-274-9119.

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