Dereck Curtis Wei is a Ontario, California based psychiatrist who is specialized in Psychiatry. Active license number of Dereck Curtis Wei is A190956 for Psychiatry in California. His current practice location is 2940 Inland Empire Blvd, Ontario. Patients can reach him at 909-458-1350. Dereck Curtis Wei is MD in Psychiatry and his NPI number (Unique professional ID assigned by NPPES) is 1720720105.
Dereck Curtis Wei specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
Complete Profile:
Dereck Curtis Wei speciality, credentials, practice address, contact phone number and fax are as below.
Patients can call on the below given phone number for appointment.
| Name: | Dereck Curtis Wei |
| Specialization: | Psychiatry |
| Gender: | Male |
| Credentials: | MD |
| Practice Address: | 2940 Inland Empire Blvd, Ontario,
California, 91764-4898 |
| Phone: | 909-458-1350 |
Professional Identification Codes:
NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS).
NPI details are as mentioned below.
| NPI Number: | 1720720105 |
| NPI Enumeration Date: | 07 Apr, 2022 |
| NPI Last Update On: | 13 Aug, 2026 |
Medical Licenses:
Doctors can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Dereck Curtis Wei are as mentioned below.
| License Number | Specialization | State | Status | |
| A190956 | Psychiatry | California | Primary | |
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
| Address: | Dereck Curtis Wei
400 N Pepper Ave,
Colton, California |
| Zip: | 92324-1801 |
| Phone Number: | 909-580-1000 |
Patients can reach Dereck Curtis Wei at
2940 Inland Empire Blvd, Ontario, California or can
call to book an appointment on 909-458-1350.
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Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 14 September, 2026.