For appointments or questions call (540) 283-6000.

Gregory C. Zachmann, M.D., FACS

Gregory C. Zachmann, M.D., FACS, is a board-certified otolaryngologist and an accomplished Ear, Nose and Throat (ENT) physician. He received his medical degree from and completed his residency at the University of Virginia School of Medicine in 1999, and has worked as a practicing ENT physician since 1999. Dr. Zachmann joined the Jefferson Surgical Clinic’s team of surgeons and specialists in 2007 and works with new and cutting-edge technology to help his patients with a variety of ear, nose and throat issues. Services, Specialties & Interests Endoscopic sinus surgery Sublingual Immunotherapy Major and minor seasonal and year-round allergies Sinusitis Ear infections…

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Mark A. Schmidt, M.D., FACS

Mark A. Schmidt, M.D., FACS, is a board-certified urologist who joined Jefferson Surgical Clinic in 2000 and has practiced in the Roanoke Valley since 1994. A native of Marietta, Georgia, Dr. Schmidt received a Bachelor of Science degree in 1981 from Presbyterian College and a Master of Science degree from Clemson University in 1984. He is a 1988 graduate of the Medical College of Georgia and completed residencies in general surgery and urology in 1994 at the University of Tennessee. Dr. Schmidt is a Fellow of the American College of Surgeons and is certified by the American Board of Urology.…

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Rodney J. Poffenberger, M.D., FACS

Rodney J. Poffenberger, M.D., FACS, is a board-certified urologist who joined Jefferson Surgical Clinic in 2000 and has practiced in the Roanoke Valley since 1991. A Michigan native, Dr. Poffenberger received a Bachelor of Arts degree from Kalamazoo College in Kalamazoo, Michigan, in 1982. He is a 1986 graduate of the University of Michigan School of Medicine. He completed graduate training in both general surgery and urology at Henry Ford Hospital in 1991. Dr. Poffenberger has received specialized training in: Cryosurgery Laser surgery Laparoscopy Microsurgery ESWL Contigen implantation Prostate brachytherapy Dr. Poffenberger is an American College of Surgeons Fellow, an…

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Keith D. Munson, M.D., FACS

Keith D. Munson, M.D., FACS, is a board-certified colon, rectal and general surgeon who joined Jefferson Surgical Clinic in 2000. A native of Austin, Texas, Dr. Munson received a Bachelor of Science degree from the United States Naval Academy in Annapolis, Maryland, in 1977. He served in the United States Navy as a medical officer and surgeon from 1982 until 1997. He practiced at the Scott & White Clinic at Texas A & M Medical School from 1997 through 1999, and is a 1981 graduate of Southwestern Medical School in Dallas, Texas. Dr. Munson completed his general surgery internship and residency at…

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David P. Minichan Jr., M.D.

David P. Minichan, Jr., M.D., is a board-certified general surgeon. He received his Bachelor of Science degree from Virginia Polytechnic Institute and State University in 1951. Four years later Dr. Minichan graduated from the University of Virginia School of Medicine. He finished an internship at Walter Reed General Hospital in Washington D.C., and completed surgical residencies at Jefferson Hospital in Roanoke, Virginia, the University of Virginia Department of Surgery, and Andrews Air Force Base Hospital. He’s a Fellow of the American College of Surgeons and certified by the American Board of Surgery. Dr. Minichan joined the Jefferson Surgical Clinic’s team…

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Molly Rutherford, M.D., FACC

Molly Rutherford, M.D., FACC is a second-generation, board-certified cardiologist with additional certifications in internal medicine and nuclear cardiology who has practiced in Roanoke, Virginia since 2010. A Roanoke native, she’s a proud graduate of Virginia public schools, including the University of Virginia. Dr. Rutherford received her medical degree from the Medical College of Virginia in 2004, and completed her residency in Internal Medicine with a special focus on Women’s Health at Virginia Commonwealth University Health System in 2007. She also completed her Fellowship in Cardiovascular Diseases at VCU in 2010. Dr. Rutherford enjoys taking care of many of her father’s…

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Raymond V. Harron, D.O.

Raymond V. Harron, D.O., received his Doctor of Osteopathic Medicine degree from the West Virginia School of Osteopathic Medicine in 1990. He completed his internship at Methodist Hospital in Brooklyn, NY and Bi-County Community Hospital in Warren, MI. Dr. Harron completed his fellowship in neurosurgery and spine surgery at Alleghany General Hospital in Pittsburgh, PA and the University of Arizona. Dr. Harron is board-certified by the American Board of Osteopathic Surgery, Neurosurgical Division. He is a diplomat of the National Board of Osteopathic Medical Examiners. His memberships include the American Osteopathic Association, the American College of Osteopathic Surgeons and the…

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William Z. H’Doubler, M.D., FACS

William Z. H’Doubler, M.D., FACS, is a board-certified vascular surgeon who joined Jefferson Surgical Clinic in 2000. A native of Springfield, Missouri, Dr. H’Doubler graduated Cum Laude and received a Bachelor of Arts degree from Dartmouth College in 1985. He is a 1989 graduate of the Vanderbilt University School of Medicine, and while he was in attendance, Dr. H’Doubler was elected to the Alpha Omega Alpha (AOA) honor medical society. AOA is a professional medical organization that recognizes excellence in scholarship and pushes members to advance the medical profession.  He completed residencies at the University of Virginia in 1991 and the…

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James G. Drougas, M.D., FACS

James G. Drougas, M.D., FACS, is a board-certified vascular surgeon who joined Jefferson Surgical Clinic in 1997. A native of Wilmington, Delaware, Dr. Drougas received a Bachelor of Arts degree from Case Western Reserve University, where he majored in chemistry and history. He received his general surgery training at the Vanderbilt University School of Medicine, where he was awarded the Harwell Wilson Award for Outstanding Chief Resident in 1996. He completed a fellowship in vascular surgery at the Emory University School of Medicine in 1997. Dr. Drougas is a Fellow of the American College of Surgeons. Services / Specialties /…

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Christopher R. Reynolds, M.D.

Receiving his medical degree from the University of Virginia, Dr. Christopher Reynolds completed his internship and residency at Penn State Hershey Medical Center. Dr. Reynolds focuses on surgical and medical diseases of the male and female urinary tract and male reproductive organs. He treats many conditions, including kidney stones, bladder cancer, enlarged prostate, urinary incontinence, and recurrent urinary tract infections. He also offers intravesical Botox and Interstim for overactive bladder.   Services/Specialties/Interests Minimally invasive robotic surgery for prostate and kidney cancer Kidney and ureteral stones Urinary incontinence for men and women Patient Packet – Roanoke Patient Packet – Salem Contact…

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Charles D. Daniel, M.D.

Charles D. Daniel, M.D., is a board-certified urologist who joined Jefferson Surgical Clinic in 2004. A native of Lynchburg, Virginia, Dr. Daniel received a Bachelor of Arts degree in chemistry from Washington and Lee University in 1993. He was a 1998 graduate of the Medical College of Virginia. Dr. Daniel completed a residency in general surgery at the University of Alabama at Birmingham in June 2000. In 2004 he completed a residency in urologic surgery at UAB. Dr. Daniel is a member of the American Medical Association and the American Urologic Association.   Dr. Daniel believes in philosopher Mimonides’ quote that…

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James T. Callis, M.D., FACS

James T. Callis, M.D., FACS, is a board-certified vascular and general surgeon who joined Jefferson Surgical Clinic in 1990. He is a 1983 graduate of the Vanderbilt University School of Medicine, where he also completed his general surgery training in 1989. Dr. Callis completed a vascular surgery fellowship at Vanderbilt University Medical Center in 1990. He holds a certification from the American Board of Surgery in general and vascular surgery. He is a Fellow of the American College of Surgeons. Services / Specialties / Interests: Aortic procedures Carotid procedures Revascularization of lower extremities Varicose vein treatment Dialysis access Cholecystectomy Thyroid/Parathyroid…

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Welcome to Jefferson Surgical Clinic

When it comes to your health and well-being, you deserve the very best treatment and care. The Jefferson Surgical Clinic is a group of surgeons, specialists and physicians in Roanoke, Virginia. We’ve made it our mission to care for you and your loved ones by providing specialized medical services, and applying our knowledge, skill and experience.

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