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20 years of experience
Accepting new patients
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Patient Reviews

Patient comments (2)

The overall average patient rating of Dr. Warren Ong is Good. Dr. Ong has been reviewed by 5 patients who have provided 2 comments. The rating is 3.5 out of 5 stars.

Patient Ratings
Ease of Appointment 3.2
Promptness 3.0
Courteous Staff 3.7
Accurate Diagnosis 2.3
Bedside Manner 2.8
Spends Time with Me 3.2
Follows Up After Visit 2.3

Specialties & Research

Dr. Warren Ong, MD is board certified in Psychiatry.

  • He has special expertise in 7 areas:
  • Attention Deficit Disorder (ADD) / Attention Deficit Hyperactivity Disorder (ADHD)
  • Bipolar Disorder / Manic Depressive Disorder
  • Depression
  • Depressive Disorder
  • Insomnia
  • Schizophrenia
  • Sleep Disorders

Education & Awards

Dr. Ong graduated from University of Missouri at Kansas City.


Dr. Ong has 3 hospital affiliations:

  • Rhode Island Hospital 
  • The Miriam Hospital 
  • Memorial Hospital of Rhode Island 


  • Spanish

> > > > Dr. Warren Ong, MD

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Additional Information
Dr. Warren Andrew Ong MD is a male Psychiatrist, has 20 years of experience and practices in Psychiatry.
Where does Dr. Warren A. Ong practice?
Dr. Warren Ong has 1 office location.
Dr. Warren Ong practices Psychiatry near Johnston, RI.
See Johnston Psychiatrists.