Psychologist | Clinical Psychology

Dr. Derek Yee-hsiang Char, PSY.D.

255 E Bonita Ave Ofc 1420, Pomona, California, 91767-1923

About Dr. Derek Yee-hsiang Char

Dr. Derek Yee-hsiang Char is a psychologist based in Pomona, California who is specialized in Clinical Psychology. Active license number of Dr. Derek Yee-hsiang Char is PSY35392 for Psychology in California. His current practice location is 255 E Bonita Ave Ofc 1420, Pomona. Patients can contact him at 909-596-7733. Dr. Derek Yee-hsiang Char, PSY.D., specializes in Clinical Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1235954652.

Dr. Derek Yee-hsiang Char 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. Derek Yee-hsiang Char'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. Derek Yee-hsiang Char
Specialization Clinical Psychology
Credentials PSY.D.
Gender Male
Practice Address: 255 E Bonita Ave Ofc 1420,
Pomona, CA - 91767-1923

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 Number1235954652
NPI Enumeration Date: 20 Nov, 2024
NPI Last Update On: 03 Dec, 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. Derek Yee-hsiang Char are as mentioned below.

License NumberSpecializationStateStatus
PSY35392Psychology CaliforniaPrimary
PSY35392Clinical Psychology CaliforniaSecondary
PSY35392Rehabilitation Psychology CaliforniaSecondary
PSY35392General 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. Derek Yee-hsiang Char
255 E Bonita Ave,
Pomona, CA - 91767-1933

Book an Appointment with Dr. Derek Yee-hsiang Char

To schedule an appointment, contact Dr. Derek Yee-hsiang Char at 255 E Bonita Ave Ofc 1420, Pomona, California or call the phone number listed below.

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Frequently Asked Questions

Below are some commonly asked questions about Dr. Derek Yee-hsiang Char:

Dr. Derek Yee-hsiang Char is a psychologist specializing in Psychology. He is specialized in psychological testing and evaluating or assessing patient's personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning. Accordingly, he performs counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy. He can diagnose and treat mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability by psycheducational evaluation, therapy, remediation, and consultation.

Yes, Dr. Derek Yee-hsiang Char 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. Derek Yee-hsiang Char practices at 255 E Bonita Ave Ofc 1420, Pomona, California, 91767-1923.

To schedule an appointment with Dr. Derek Yee-hsiang Char, please contact the office at 909-596-7733.

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