Psychologist | Addiction (Substance Use Disorder) Psychology

Dr. Flenoid Debritt Tristan Webster, PSY.D.

3281 E Guasti Rd Ste 440, Ontario, California, 91761-7635

About Dr. Flenoid Debritt Tristan Webster

Dr. Flenoid Debritt Tristan Webster is a psychologist based in Ontario, California who is specialized in Addiction (Substance Use Disorder) Psychology. Active license number of Dr. Flenoid Debritt Tristan Webster is PSY28985 for Clinical Psychology in California. His current practice location is 3281 E Guasti Rd Ste 440, Ontario. Patients can contact him at 909-913-1067. Dr. Flenoid Debritt Tristan Webster, PSY.D., specializes in Addiction (Substance Use Disorder) Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1215245501.

Dr. Flenoid Debritt Tristan Webster help patients to develop ways to cope with their drug cravings. Also, he can suggest strategies to avoid drugs and prevent relapse, and can offer suggestions on how to deal with a relapse if it occurs. He make patients more aware of their feelings, thoughts and teach them different ways to deal with their problems.

Practice Information

Dr. Flenoid Debritt Tristan Webster'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. Flenoid Debritt Tristan Webster
Specialization Addiction (Substance Use Disorder) Psychology
Credentials PSY.D.
Gender Male
Practice Address: 3281 E Guasti Rd Ste 440,
Ontario, CA - 91761-7635

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 Number1215245501
NPI Enumeration Date: 20 Sep, 2010
NPI Last Update On: 03 Jul, 2023

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. Flenoid Debritt Tristan Webster are as mentioned below.

License NumberSpecializationStateStatus
PSY28985Clinical Psychology CaliforniaPrimary
PSY28985Addiction (Substance Use Disorder) Psychology CaliforniaSecondary

Mailing Address

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

Dr. Flenoid Debritt Tristan Webster
Po Box 1315,
Claremont, CA - 91711-1315
Phone: 909-913-1067

Book an Appointment with Dr. Flenoid Debritt Tristan Webster

To schedule an appointment, contact Dr. Flenoid Debritt Tristan Webster at 3281 E Guasti Rd Ste 440, Ontario, California or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Flenoid Debritt Tristan Webster:

Dr. Flenoid Debritt Tristan Webster 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. Flenoid Debritt Tristan Webster 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. Flenoid Debritt Tristan Webster practices at 3281 E Guasti Rd Ste 440, Ontario, California, 91761-7635.

To schedule an appointment with Dr. Flenoid Debritt Tristan Webster, please contact the office at 909-913-1067.

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