Print Departments and specialties Mayo Clinic has one of the largest and most experienced practices in the United States, with campuses in Arizona, Florida and Minnesota. Staff skilled in dozens of specialties work together to ensure quality care and successful recovery. Departments that treat this condition Psychiatry and Psychology Areas that research this condition Psychiatry and Psychology Research By Mayo Clinic Staff Obsessive-compulsive disorder (OCD) care at Mayo Clinic Request an Appointment at Mayo Clinic Diagnosis & treatmentCare at Mayo Clinic Sept. 17, 2016 Print Share on: FacebookTwitter RelatedMental illness in children: Know the signsMental health: Overcoming the stigma of mental illness Obsessive-compulsive disorder (OCD)Symptoms & causesDiagnosis & treatmentDoctors & departmentsCare at Mayo Clinic Research: It's All About Patients CON-20199571 Patient Care & Health Information Diseases & Conditions Obsessive-compulsive disorder (OCD)