Psychologist | Clinical Psychology

Dr. Stephen William Hill, PH.D.

1930 S Brea Canyon Rd, Suite 265, Diamond Bar, California, 91765-4009

About Dr. Stephen William Hill

Dr. Stephen William Hill is a psychologist based in Diamond Bar, California who is specialized in Clinical Psychology. Active license number of Dr. Stephen William Hill is PSY12056 for Clinical Psychology in California. His current practice location is 1930 S Brea Canyon Rd, Suite 265, Diamond Bar. Patients can contact him at 909-896-0518 or can fax him at 909-594-7010. Dr. Stephen William Hill, PH.D., specializes in Clinical Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1952424699.

Dr. Stephen William Hill 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. Stephen William Hill'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. Stephen William Hill
Specialization Clinical Psychology
Credentials PH.D.
Gender Male
Practice Address: 1930 S Brea Canyon Rd, Suite 265
Diamond Bar, CA - 91765-4009
Fax 909-594-7010

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 Number1952424699
NPI Enumeration Date: 09 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. Stephen William Hill are as mentioned below.

License NumberSpecializationStateStatus
PSY12056Clinical 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. Stephen William Hill
21731 Buckskin Dr,
Walnut, CA - 91789-0919
Phone: 909-595-6833
Fax: 909-594-7010

Book an Appointment with Dr. Stephen William Hill

To schedule an appointment, contact Dr. Stephen William Hill at 1930 S Brea Canyon Rd, Suite 265, Diamond Bar, California or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Stephen William Hill:

Dr. Stephen William Hill 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. Stephen William Hill 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. Stephen William Hill practices at 1930 S Brea Canyon Rd, Suite 265, Diamond Bar, California, 91765-4009.

To schedule an appointment with Dr. Stephen William Hill, please contact the office at 909-896-0518.

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