Dr. Derick L. Ly
- Gender: Male
- Experience: 9 years
- Sole propriator: No
- NPI: 1962744417
Dr. Derick L. Ly D.O., M.S.
Psychiatrist
He is located at 2940 Inland Empire Boulevard in Ontario, CA 91764. Can help patients with the following: Attention-Deficit/Hyperactivity Disorder (ADHD), Hypersomnia, Mood Disorders, Online Therapy, Sleepwalking, Tics. His National Provider Identifier (NPI) number is 1962744417. Appointment can be made via the phone number (909) 458-1350. He is affiliated with 4 practices.
Conditions treated
Dr. Derick L. Ly, being an psychiatrist, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Derick L. Ly.
- Amnesia
- Anorexia Nervosa
- Antisocial Personality Disorder (ASPD)
- Anxiety
- Aphasia
- Asperger Syndrome (AS)
- Attention-Deficit/Hyperactivity Disorder (ADHD)
- Autism
- Avoidant Personality Disorder
- Binge Eating Disorder
- Bipolar Disorder
- Body Dysmorphic Disorder (BDD)
- Borderline Personality Disorder (BPD)
- Bulimia Nervosa
- Dementia
- Depression
- Dissociative Fugue
- Dissociative Identity Disorder
- Drug Abuse
- Eating Disorder
- Fragile X Syndrome (FXS)
- Grief
- Hypersomnia
- Insomnia
- Isolation
- Learning Disability
- Mental Illness
- Mood Disorders
- Munchausen Syndrome
- Narcissistic Personality Disorder (NPD)
- Obsessive Compulsive Disorder (OCD)
- Online Therapy
- Panic Disorder
- Persistent Depressive Disorder
- Pervasive Developmental Disorders (PDD)
- Phobias
- Postpartum Depression (PPD)
- Posttraumatic Stress Disorder (PTSD)
- Premenstrual Dysphoric Disorder (PMDD)
- Psychotic Disorder
- Rape and Sexual Assault
- Relationship Issues
- Schizoaffective Disorder
- Schizophrenia
- Seasonal Affective Disorder (SAD)
- Sleepwalking
- Speech Disorders
- Stress
- Tardive Dyskinesia
- Tics
- Trauma
- Wilson-Turner Syndrome
Medicare Enrollment
Dr. Derick L. Ly is enrolled to bill Medicare as a Practitioner - Psychiatry .
Bills through: County Of San Bernardino
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Payments received
Drug payment
| Otsuka Pharmaceutical | $789 |
| Sunovion Pharmaceuticals | $525 |
| Neurocrine Biosciences | $306 |
Other
| Food and Beverage | $2132 |
Affiliated practices
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Questions & Answers
Does Dr. Derick L. Ly accept insurance?
Unfortunately we don't have any information if Dr. Derick L. Ly accepts insurance.
Where can you meet with Dr. Derick L. Ly?
Dr. Derick L. Ly's office is located at 2940 Inland Empire Boulevard in Ontario, CA 91764.
What conditions does Dr. Derick L. Ly treat?
Dr. Derick L. Ly provides treatment for Attention-Deficit/Hyperactivity Disorder (ADHD), Hypersomnia, Mood Disorders, Online Therapy, Sleepwalking, Tics. For the full list see this list.
Does Dr. Derick L. Ly have affiliation with practices?
Dr. Derick L. Ly is affiliated with Department of Behavioral Health. For the full list of practices see this list.