Psychology Clinic | Clinical Psychology

Shahin Psychological Services. Inc.

1111 Grand Ave, Ste M, Diamond Bar, California, 91765-4171

About Shahin Psychological Services. Inc.

Shahin Psychological Services. Inc. is a psychology clinic located in Diamond Bar, California. specializing in Clinical Psychology. The clinic is located at 1111 Grand Ave, Ste M, Diamond Bar, CA and can be reached at 909-860-2880. The authorized official for Shahin Psychological Services. Inc. is Dr. B. John Shahin, who serves the clinic’s Ceo. He/She can be contacted at 909-860-2880. The clinic’s primary license number in California is PSY18852 (Clinical) .
Shahin Psychological Services. Inc. Clinic has mental health professionals specialized in the diagnosis and psychological treatment of mental, behavioral and emotional illnesses, including obsessive-compulsive disorder (OCD). Psychologists main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that psychologists can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Clinic Information

Shahin Psychological Services. Inc. Clinic's specialty, address, contact phone number and fax are as below. Patients can contact the clinic at the given phone number for appointments.

Clinic Name Shahin Psychological Services. Inc.
Specialization Clinical Psychology
Practice Address 1111 Grand Ave, Ste M
Diamond Bar, CA - 91765-4171
Fax 909-860-2885

Authorized/Official Person Profile

Officially authorized person to contact for any management issues or complaints for this clinic are as below. Person's position and contact details are also mentioned below.

Name Dr. B. John Shahin
Position Ceo
Contact Number 909-860-2880

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 Number1992040869
NPI Enumeration Date: 04 Dec, 2012
NPI Last Update On: 04 Dec, 2012

Medical Licenses

Organizations can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Shahin Psychological Services. Inc. are as mentioned below.
License NumberSpecializationStateStatus
PSY18852Clinical CaliforniaPrimary

Mailing Address

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

Shahin Psychological Services. Inc.
1152 Via Verde, Pmb 121
San Dimas, CA - 91773-4401
Phone: 909-860-2880
Fax: 909-860-2885

Book an Appointment with Shahin Psychological Services. Inc.

To schedule an appointment, contact Shahin Psychological Services. Inc. at 1111 Grand Ave, Ste M, Diamond Bar, California or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Shahin Psychological Services. Inc. clinic:

Shahin Psychological Services. Inc. is a psychology clinic specializing in Clinical Psychology.

Shahin Psychological Services. Inc. is located at 1111 Grand Ave, Ste M, Diamond Bar, California 91765-4171.

Patients can contact Shahin Psychological Services. Inc. at 909-860-2880 for inquiries about its services and appointments.

Please contact Shahin Psychological Services. Inc. directly to inquire about new-patient availability and appointment options.
* Availability may change.

Shahin Psychological Services. Inc. has mental health professionals specialized in the diagnosis and psychological treatment of mental, behavioral and emotional illnesses, including obsessive-compulsive disorder (OCD). Psychologists main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that psychologists can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Patients can contact Shahin Psychological Services. Inc. at 909-860-2880 to inquire about appointments, consultation requirements and available services.

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