Dereck C. Wei MD
Psychiatrist in Ontario, California
- Psychiatry
Practice locations
- 2940 Inland Empire Blvd, Ontario, CA 91764
(909) 458-1350 - 400 N Pepper Ave, Colton, CA 92324
(909) 580-1000
State licenses
- California — #A190956
Licenses and addresses as reported by the provider (NPI 1720720105, last updated August 2026). Verify current licenses on DocInfo.org.
Other psychiatrists in Ontario
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