Ling Twohig, DO, is an interventional cardiologist with Memorial Specialty Care Cardiology. Dr. Twohig earned a doctor of osteopathy degree from Touro University College of Osteopathic Medicine and a master of business administration degree from Kelly School of Business at Indiana University. Dr. Twohig served as a general medical officer in the U.S. Air Force, stationed at Columbus Air Force Base. He completed a residency in internal medicine at Arrowhead Regional Medical Center, a general cardiology fellowship at Magnolia Regional Health Center and an interventional cardiology fellowship at HCA HealthCare/USF Morsani College of Medicine. Dr. Twohig begins taking patients January 24.