In crisis or thinking about suicide? Call or text 988 (Suicide & Crisis Lifeline), or call 911.

Derick L. Ly DO

Psychiatrist in Ontario, California

  • Psychiatry

Practice locations

State licenses

  • California — #13326

Licenses and addresses as reported by the provider (NPI 1962744417, last updated March 2025). Verify current licenses on DocInfo.org.

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