Psychologist | Clinical Psychology

Dr. James David Guy Jr., PH.D.

200 E Del Mar Blvd, Suite 119, Pasadena, California, 91105-2544

About Dr. James David Guy Jr.

Dr. James David Guy Jr. is a psychologist based in Pasadena, California who is specialized in Clinical Psychology. Active license number of Dr. James David Guy Jr. is PSY7717 for Clinical Psychology in California. His current practice location is 200 E Del Mar Blvd, Suite 119, Pasadena. Patients can contact him at 626-229-9336. Dr. James David Guy Jr., PH.D., specializes in Clinical Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1144371410.

Dr. James David Guy Jr. 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

Dr. James David Guy Jr.'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. James David Guy Jr.
Specialization Clinical Psychology
Credentials PH.D.
Gender Male
Practice Address: 200 E Del Mar Blvd, Suite 119
Pasadena, CA - 91105-2544

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 Number1144371410
NPI Enumeration Date: 15 Jan, 2007
NPI Last Update On: 08 Jul, 2007

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. James David Guy Jr. are as mentioned below.

License NumberSpecializationStateStatus
PSY7717Clinical 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.

Dr. James David Guy Jr.
200 E Del Mar Blvd, Suite 119
Pasadena, CA - 91105-2544
Phone: 626-229-9336

Book an Appointment with Dr. James David Guy Jr.

To schedule an appointment, contact Dr. James David Guy Jr. at 200 E Del Mar Blvd, Suite 119, Pasadena, California or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. James David Guy Jr.:

Dr. James David Guy Jr. 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. James David Guy Jr. 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. James David Guy Jr. practices at 200 E Del Mar Blvd, Suite 119, Pasadena, California, 91105-2544.

To schedule an appointment with Dr. James David Guy Jr., please contact the office at 626-229-9336.

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