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Faculty

Timothy S. Roush, MD, MPH, FACS, RPVI
Program Director, Vascular Residency Program

A Cincinnati native is a graduate of the University of Cincinnati and attended medical school at the Uniformed Services University of the Health Sciences in Bethesda, Md.. He completed his general surgery residency at the Naval Hospital in San Diego, and served both abroad and as Department Head of Surgery at the Naval Hospital in Bremerton, Wash. After his naval service, Dr. Roush returned to training and completed his fellowship in peripheral vascular surgery at Carolinas Medical Center in 2000. He has a Master's Degree in health policy and administration from the University of North Carolina at Chapel Hill. He is certified by the American Board of Surgery and the American Board of Vascular Surgery.
 
Stephen G. Lalka, MD, FACS
A native of Pennsylvania, Dr. Lalka attended medical school at the University of Rochester. He completed his internship in surgery and his residency in general surgery at Case Western Reserve University Hospitals. He continued with additional fellowships in research and clinical vascular surgery at the University of Arizona Health Sciences Center. Dr. Lalka has, for the past 18 years, served on the vascular surgery faculty of the University of Indiana. He brings his educational and research experience, expertise in the management of venous disease and significant experience in endovascular grafts to our team. Dr. Lalka is certified by the American Board of Surgery with added qualifications for General Vascular Surgery.
 

Tzvi Nussbaum, MD
A native of Israel, Dr. Nussbaum completed medical school at the University of Health Sciences, Chicago Medical School, and he completed his General Surgery and Critical Care training at North Shore Long Island Jewish Medical Center, New York. Following completion of his vascular surgery at Carolinas Medical Center in 2006, Dr. Nussbaum joined the CMC faculty.

 

Christopher W. Boyes, MD Christopher W. Boyes, MD
Dr. Boyes, a native of Palm Beach, Florida, is a graduate of the University of Florida and attended medical school at St. George’s University School of Medicine. He completed his General Surgery Residency at SUNY Upstate Medical University before coming to Carolinas Medical Center in 2010 to begin his fellowship in vascular surgery. After graduating from the program in 2012, Dr. Boyes stayed at Carolinas Medical Center and joined the Vascular Surgery Residency Program faculty. He is certified by the American Board of Surgery in Vascular Surgery.
 
Frank Arko, MD Frank Arko, MD
Frank Arko, MD is currently Director of Endovascular Surgery and Co-director of the Aortic Institute at Carolinas Medical Center, Sanger Heart and Vascular Institute in Charlotte, NC. He received his BS from Texas A&M University graduating Summa Cum Laude and his MD with honors in 1994 from Texas A&M University. He completed his internship and his residency at Scott & White Hospital, Texas A&M University Health Science Center in 1999. Dr. Arko completed his Clinical Vascular Fellowship in 2000 and his Endovascular Fellowship in 2001 from Stanford University Hospital, CA. He completed a Post-Doctoral Research Fellowship from Stanford University Hospital in 2001.

Dr. Arko’s clinical expertise is in stent graft treatment of thoracic and abdominal aortic aneurysmal disease, stenting and endarterectomy in carotid arterial disease, renovascular hypertension, aortoiliac occlusive disease, mesenteric vascular and minimally invasive therapy in venous disease. His research interests include simulation-based medical planning for cardiovascular disease and aortic wall microarchitecture and cyclic strain as well as device development. He is involved with multiple clinical trials and takes the lead in Vascular Surgery Residency research development and support.

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