Individual provider · Type 1 NPI

Dereck Curtis Wei, MD

Psychiatry Physician · Ontario, CA

NPI number 1720720105 Active

Practice location

2940 Inland Empire Blvd
Ontario, CA 91764-4898

Call (909) 458-1350 Map

Mailing address

400 N Pepper Ave
Colton, CA 92324-1801

Other practice locations

  • 400 N Pepper Ave, Colton, CA 92324-1801 · (909) 580-1000

Specialties and licenses

TaxonomyCodeLicense
Psychiatry Physician Primary 2084P0800XA190956 (CA)

Psychiatry Physician: A Psychiatrist 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 la…

122 other providers at this address

Other psychiatry physician providers in Ontario

See all in Ontario →

About NPI 1720720105

Dereck Curtis Wei, MD's National Provider Identifier is 1720720105, issued on Apr 7, 2022. The primary taxonomy on file is Psychiatry Physician (2084P0800X), and the practice location is in Ontario, CA. The record was last updated on Aug 13, 2026.