Psychologist | Cognitive & Behavioral Psychology

Dr. Gregory Ernest Koch, PSY.D.

4081 Stephens St, San Diego, California, 92103-1242

About Dr. Gregory Ernest Koch

Dr. Gregory Ernest Koch is a psychologist based in San Diego, California who is specialized in Cognitive & Behavioral Psychology. Active license number of Dr. Gregory Ernest Koch is PSY19917 for Group Psychotherapy in California. His current practice location is 4081 Stephens St, San Diego. Patients can contact him at 888-588-7836 or can fax him at 888-588-7836. Dr. Gregory Ernest Koch, PSY.D., specializes in Cognitive & Behavioral Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1730180852.

Dr. Gregory Ernest Koch has variety of professional responsibilities, including assessment (identifying, diagnosing, and conceptualizing problems experienced by individuals or groups), intervention (creating, implementing and evaluating interventions designed to induce positive change) and consultation. Cognitive Behavioral Psychologists also participates in research, education, training, and clinical practice including a range of issues and populations.

Practice Information

Dr. Gregory Ernest Koch'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. Gregory Ernest Koch
Specialization Cognitive & Behavioral Psychology
Credentials PSY.D.
Gender Male
Practice Address: 4081 Stephens St,
San Diego, CA - 92103-1242
Fax 888-588-7836

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 Number1730180852
NPI Enumeration Date: 10 Aug, 2005
NPI Last Update On: 11 Sep, 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 Dr. Gregory Ernest Koch are as mentioned below.

License NumberSpecializationStateStatus
PSY19917Group Psychotherapy CaliforniaPrimary
PSY19917Cognitive & Behavioral Psychology CaliforniaSecondary
PSY19917Clinical Psychology CaliforniaSecondary
PSY19917Clinical Child & Adolescent Psychology CaliforniaSecondary
PSY19917General Psychology CaliforniaSecondary

Other Medical Identifiers

Other professional identifiers associated with Dr. Gregory Ernest Koch such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
IdentifierTypeStateIssuer
0PL199170OtherCaliforniaBLUE SHIELD
11397904OtherCaliforniaCAQH
PSY199170MedicaidCalifornia
5551998OtherCaliforniaFIRSTHEALTH/CCN

Mailing Address

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

Dr. Gregory Ernest Koch
4081 Stephens St,
San Diego, CA - 92103-1242
Phone: 888-588-7836
Fax: 888-588-7836

Book an Appointment with Dr. Gregory Ernest Koch

To schedule an appointment, contact Dr. Gregory Ernest Koch at 4081 Stephens St, San Diego, California or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Gregory Ernest Koch:

Dr. Gregory Ernest Koch is a psychologist specializing in Group Psychotherapy. He is specialized to perform group therapy, a form of psychotherapy in which one or more therapists treat a small group of clients together as a group. It can be any form of psychotherapy which is delivered in a group format, including cognitive behavioural therapy or interpersonal therapy, but it is usually psychodynamic group therapy where the group context and group process is explicitly utilised as a mechanism of change by developing, exploring and examining interpersonal relationships within the group.

Yes, Dr. Gregory Ernest Koch 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. Gregory Ernest Koch practices at 4081 Stephens St, San Diego, California, 92103-1242.

To schedule an appointment with Dr. Gregory Ernest Koch, please contact the office at 888-588-7836.

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