Jessica Cosgrove, DO

Psychiatry & Neurology, Psychiatry

John T Mather Memorial Hospital

170 N Country Rd, Ste 3, Port Jefferson, NY 11777

Accepting new patients

(631) 928-3122

Conditions Treated

  • Schizoaffective Disorder
  • Personality Disorders (e.g. Borderline, Dependent, Antisocial)
  • Bipolar Disorder
  • Schizophrenia
  • Psychosis (e.g. Delusions, Hallucinations)
  • Depression

Specialized Treatments

  • Inpatient Hospital Psychiatric Treatment