Dr. Gregory Todd Greenwood, MD is a health care provider primarily located in Winston-Salem, NC, with other offices in North Wilkesboro, NC and King, NC (and 5 other locations). He has 25 years of experience. His specialties include Nephrology, Internal Medicine, Family Medicine. Dr. Greenwood is affiliated with Novant Health Medical Park Hospital and Novant Health Thomasville Medical Center. He speaks English.