Browse Health
Adolescent Specialist, Addiction Medicine Specialist, Psychiatrist
36 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

View full profile

Patient Reviews

Patient comments (1)

The overall average patient rating of Dr. John Cusack is Excellent. Dr. Cusack has been reviewed by 4 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

Similar doctors nearby

Dr. Thomas Steele

50 years experience
Charleston, SC

Dr. Kevin Schuller

6 years experience
Charleston, SC

Dr. Himanshu Upadhyaya

21 years experience
Charleston, SC

Dr. Milton Foust

28 years experience
Charleston, SC

Dr. Robert Albanese

Internal Medicine
24 years experience
Charleston, SC

Dr. William Haren

Internal Medicine
15 years experience
Charleston, SC
Search All Similar Doctors
Additional Information
Dr. John Robert Cusack DO is a male Psychiatrist, has 36 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 Adolescent Specialists.