Lowndes County Ambulatory Surgical Center. Serving the Medical Needs of Georgia and North Florida Since 1989! Your Health...We Take It Personally! INTERNAL MEDICINE K.G. Kumar, MD, A. Tim Brady, MD, Thomas W. Hobby, DO, Fredrick A. Koehler, MD, Hernando Moreno, MD, Lance Underwood, MD, Landis C. Gordon, PA, Alyson Lerstang, APRN CARDIOLOGY - Glenn H. Evans, MD, G.E. Trey Powell, MD, Joel L.Cohen, DO, Bonni Cohen, ANP-C GASTROENTEROLOGY - James A. Sinnott, MD, Edward J. Fickler, MD, Tana M. Macera, APRN. Diagnostic Tests Holter Monitors - Exercise Stress Tests Glucose Monitoring - Nerve Conduction Studies - Pulmonology Screening - Vascular Studies Medical Imaging Bone Dexa Studies - Ultrasounds Echocardiograms Nuclear Studies Thallium Sress Tests - Adenosine Stress Tests