Dr. Sidney Heisler earned a medical degree from the University of Nebraska and completed a residency at Washington University in St. Louis, Missouri.

Dr. Heisler is the Medical Director of Oaklawn Hospital's Psychiatric Services. Dr. Heisler has worked in a number of inpatient and outpatient psychiatric settings. He is a Board Certified Psychiatrist, and holds four board certifications in psychiatric sub-specialty areas: forensic psychiatry, psychosomatic medicine, geriatrics and addictions. Dr. Heisler values being able to treat patients in a "progressive hands-on manner" in collaboration with other clinical team members. He joined Oaklawn's active medical staff in 2006.