MARK FEATHERSTON, MD

DrfeatherstonDr. Mark Featherston is a recognized Triad vein specialist. Dr. Featherston received both his medical and undergraduate degrees (magna cum laude) from Duke University. After serving as Chief Resident at Moses H. Cone Memorial Hospital, he received fellowship training in Phlebology (vein disease). Dr. Featherston is a Diplomate of the American Board of Venous and Lymphatic disease.  He is also board-certified in Family Medicine. Dr. Featherston is a member of the American College of Phlebology, the American Academy of Family Physicians, and the Greater Greensboro Society of Medicine.

BRENT GREENBERG, MD, FAAFP, RPhS

DrGreenbergDr. Brent Greenberg is a graduate of the University of California-Los Angeles. He received his Doctor of Medicine degree from The Chicago Medical School. After serving as Chief Resident, Dr. Greenberg joined Penn-Elm Medical Group in San Diego, CA where he practiced Family Medicine for 10 years.


In June of 2005, Dr. Greenberg began his training with a world-renowned vein specialist. In addition to his clinical practice, Dr. Greenberg has served as a medical expert for the California Medical Board as well as a Quality Assurance Director for The Scripps Clinic of Southern California.


Dr. Greenberg is a Diplomate of the American Board of Venous and Lymphatic Disease, board certified in Family Medicine, and a Fellow of the American Academy of Family Practice. He is Registered Venous Sonographer (RPhS) through Cardiovascular Credentialing International (CCI).


Dr. Greenberg has authored articles in several medical journals and has appeared regularly on the San Diego Fox News Show “The Morning House Call”. After practicing Phlebology for the past several years, Dr. Greenberg has now joined the vein doctors of Carolina Vein Specialist, PA.