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Addiction Medicine Specialist, Adolescent Specialist, Psychiatrist
35 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).

Learn more about Dr. John Cusack:

View the full profile to get information on:

  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (1)

The overall average patient rating of Dr. John Cusack is Excellent. Dr. Cusack has been reviewed by 3 patients who have provided 1 comments. The rating is 5 out of 5 stars.

Patient Ratings
Ease of Appointment 5.0
Promptness 5.0
Courteous Staff 5.0
Accurate Diagnosis 5.0
Bedside Manner 5.0
Spends Time with Me 5.0
Follows Up After Visit 5.0

Specialties & Research

Dr. John Cusack, DO is board certified in Addiction Psychiatry and 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. Cusack graduated from Des Moines University.


Dr. Cusack has 6 hospital affiliations:

  • Medical University Of South Carolina 
  • Medical University Hospital Authority 

> > > > Dr. John Cusack, DO

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Additional Information
Dr. John Robert Cusack DO is a male Psychiatrist, has 35 years of experience and practices in Psychiatry and Addiction Psychiatry.
Where does Dr. John R. Cusack practice?
Dr. John Cusack has 2 office locations.
Dr. John Cusack practices Psychiatry and Addiction Psychiatry near Charleston, SC.
See Charleston Psychiatrists and Charleston Addiction Specialists.