Dr. Keister earned his medical degree from the University of Mississippi. Following graduation, he completed his internship and residency at the University Hospital in Jackson, Mississippi. Dr. Keister specializes in psychiatry. He has been on staff at Ochsner since 2005 and practices at the Ochsner Clinic Foundation Main Campus and Ochsner Clinic Foundation Mandeville East. Dr. Keister is board certified by the American Board of Psychiatry and Neurology. He can be reached at 504-842-4025. Dr. Keister's areas of special interest include adult and geriatric psychiatry.