Psychologist | Clinical Psychology

Dr. Thomas John Barnes, PH. D.

3636 4th Ave, Suite 304, San Diego, California, 92103-4280

About Dr. Thomas John Barnes

Dr. Thomas John Barnes is a psychologist based in San Diego, California who is specialized in Clinical Psychology. Active license number of Dr. Thomas John Barnes is PSY 6001 for Clinical Psychology in California. His current practice location is 3636 4th Ave, Suite 304, San Diego. Patients can contact him at 619-294-4200 or can fax him at 619-294-6606. Dr. Thomas John Barnes, PH. D., specializes in Clinical Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1750508537.

Dr. Thomas John Barnes 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. Thomas John Barnes'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. Thomas John Barnes
Specialization Clinical Psychology
Credentials PH. D.
Gender Male
Practice Address: 3636 4th Ave, Suite 304
San Diego, CA - 92103-4280
Fax 619-294-6606

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 Number1750508537
NPI Enumeration Date: 20 Apr, 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. Thomas John Barnes are as mentioned below.

License NumberSpecializationStateStatus
PSY 6001Clinical 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. Thomas John Barnes
3636 4th Ave, Suite 304
San Diego, CA - 92103-4280
Phone: 619-294-4200
Fax: 619-294-6606

Book an Appointment with Dr. Thomas John Barnes

To schedule an appointment, contact Dr. Thomas John Barnes at 3636 4th Ave, Suite 304, San Diego, California or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Thomas John Barnes:

Dr. Thomas John Barnes 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. Thomas John Barnes 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. Thomas John Barnes practices at 3636 4th Ave, Suite 304, San Diego, California, 92103-4280.

To schedule an appointment with Dr. Thomas John Barnes, please contact the office at 619-294-4200.

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