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Constantine Ioannou Psychiatrist, Director, Adult Inpatient Unit, Director, Psychiatric Residency Training Psychiatry School of Medicine

Contact Information

020 Health Sciences Center

Stony Brook, 11794


Constantine Ioannou’s expertise is in the treatment of addictions using a combination of psychotherapy and medication. He is also an expert in the treatment of chronic and persistent mental illness and community psychiatry.


  • Medical School, St. George University School of Medicine
  • Residency, SUNY Downstate College of Medicine, Psychiatry
  • Internship, New York Methodist Hospital, Internal Medicine