Dr. Kelly S. Oggero

John Ehrenfried is a General Surgeon in Kingsport, Tennessee. Dr. Ehrenfried is highly rated in 6 conditions, according to our data. His top areas of expertise are Familial Colorectal Cancer, Angiosarcoma, Breast Cancer, Lymphadenectomy, and Hernia Surgery. Dr. Ehrenfried is currently accepting new patients.

Benjamin Scharfstein, MD, finds his greatest joy in witnessing the positive outcomes his patients achieve. “I love seeing my patients return after surgery, feeling much better and ready to get back to their lives and families,” he says. Inspired by his grandfather, an ophthalmologist, Dr. Scharfstein grew up in Johnson City and is thrilled to practice medicine and raise his family in the Appalachian Highlands. He has a deep appreciation for the natural beauty and community spirit of the region. Outside of his work, Dr. Scharfstein stays active in his church and enjoys spending time outdoors. Dr. Scharfstein is highly rated in 12 conditions, according to our data. His top areas of expertise are Abdominal Aortic Aneurysm (AAA), ALK-Positive Non-Small Cell Lung Cancer, Thoracic Aortic Aneurysm, Gastrostomy, and Hernia Surgery.

"Sidney Collins, MD, FACS, has a simple philosophy when it comes to treating patients, ""Faith, hope and love,"" he says. ""Everyone has a story to tell. If you listen closely and read between the lines, you can uncover it."" A native of Little Rock, Arkansas, Dr. Collins spent 20 years in the United States Army before moving to the Appalachian Highlands to complete his general surgery residency. When he’s not treating patients, Dr. Collins enjoys spending time with his kids. “Whatever they like to do is always fun for me.”". Dr. Collins is highly rated in 8 conditions, according to our data. His top areas of expertise are Varicose Veins, Abdominal Aortic Aneurysm (AAA), Familial Colorectal Cancer, Hernia Surgery, and Gastrostomy.