The Best and Brightest
Our physicians are hand-picked for their medical and technical expertise, caring attitude, and dedication to do whatever is necessary to meet the needs of our patients. In our practice, traditional nursing tasks are performed by registered nurses, not by medical office assistants.
The combined efforts of our doctors and staff allow Signature to provide our patients with prompt, comprehensive, quality healthcare with constant attention to detail.
Philip Lackey, MD
Dr. Lackey is board-certified in Internal Medicine and Infectious Diseases. He also holds a Certificate in Travel Health from the International Society of Travel Medicine.
He is a native North Carolinian and grew up in Winston-Salem. He graduated from Davidson College with a major in physics and received his medical degree from UNC Chapel Hill. He completed his Internal Medicine residency and Infectious Diseases fellowship at the University of Alabama at Birmingham. Dr. Lackey has practiced in Charlotte since 1998. He has participated in numerous clinical trials and published multiple papers and abstracts. His other clinical interests include preventive care and travel medicine.
Dr. Lackey is a regular runner and recently climbed Mt. Kilimanjaro with his two grown sons. He and his wife, Dr. Victoria Lackey, enjoy gardening, cooking, traveling, and numerous outdoor activities.
Elizabeth Abernathy, MD
Dr Abernathy is board certified in Internal Medicine and a Fellow of the American College of Physicians (FACP).
Dr. Abernathy was raised in Charlotte and graduated from Davidson College with a major in Medical Ethics. She completed medical school, residency, and a general medicine fellowship at UNC Chapel Hill. She has been practicing medicine in Charlotte for 14 years. Ten of those years were spent in academics learning, researching and teaching ethics, health policy, systems-based practice, and clinical decision making to medical students and residents at Carolinas Medical Center. She obtained her MHA from UNC Chapel Hill School of Public Health in an effort to better understand healthcare delivery systems and economics.
She enjoys history, travel, and literature. She and her husband spend most of their time trying to keep up with their son and his foxhound.
Debra Gazzuolo, MD
Dr. Gazzuolo is board-certified in internal medicine.
She grew up in the Atlanta area, graduated summa cum laude from Georgia Tech, and received her medical degree from Washington University in St. Louis. She completed her residency in internal medicine at University of Pittsburgh Medical Center where she subsequently joined the faculty in the Department of Medicine and served as Assistant Clinical Professor for six years prior to moving to the Charlotte area. Through her academic and teaching experience, Dr. Gazzuolo earned the rank of Fellow in the American College of Physicians. Areas of special interest include diabetes, cancer screening, women’s health, and preventive care. She enjoys playing tennis, traveling, and spending time with her husband and daughter.
Jordan Lipton, MD
Dr. Lipton is board-certified in both emergency medicine and ambulatory medicine.
He earned his medical degree at McGill University, Montréal, Canada, and completed his residency at Carolinas Medical Center in 1993. He has contributed to numerous medical journals and textbooks, has lectured internationally, and has been featured in the Charlotte Business Journal's "Big Ideas" profile. Dr. Lipton and his wife, Dr. Siu Challons-Lipton, have two children and enjoy water sports, skiing, art and foreign travel.
Michael Martin, MD
Dr. Martin is board-certified in internal medicine.
He grew up in Virginia, graduated with highest distinction from the University of Virginia and received his medical degree from the University of Virginia School of Medicine. After medical school, he completed his residency training at Yale-New Haven Hospital in Connecticut, as well as at the University of Virginia Hospitals.
Dr. Martin moved to Charlotte in 1991 to begin practice in internal medicine. He has remained in Charlotte since, other than a brief return to Charlottesville, Virginia in 2012, where his practice there afforded him the opportunity to provide care for some of his previous college professors. He enjoys all aspects of internal medicine, cardiovascular risk factor assessment and reduction, and preventive care and screening. When he is not working, he enjoys time with family, golfing, skiing, and skydiving, having been a licensed skydiver since 2001.
Elizabeth Perry, MD
Dr. Perry is board-certified in both internal medicine and emergency medicine.
She earned her medical degree at the Medical College of Virginia, completed a residency in internal medicine at the University of Pennsylvania Hospital in Philadelphia, and completed a second residency in emergency medicine at the Johns Hopkins Hospital in Baltimore. Dr. Perry was the chairperson for the Health Services Committee of the Charlotte Chamber of Commerce for 2006-07. She was also a recipient of the Charlotte Business Journal's "Women in Business Achievement Award" in 2006. She and her husband, Jon Perry, have three children and enjoy outdoor activities as well as travel.
Marshall Silverman, MD
Dr. Silverman is board-certified in internal medicine.
He has been practicing medicine in Charlotte since 1999. Dr. Silverman graduated cum laude from Duke University, received his medical degree from Tulane University in New Orleans, and completed his residency at Emory University in Atlanta. Following residency, he served in the United States Army, supervising the internal medical clinic and ICU at Ft. Campbell, Kentucky until his departure for North Carolina.
Dr. Silverman serves as a clinical associate professor at UNC-Chapel Hill’s School of Medicine. His commitment to academic excellence has earned him the rank of Fellow in the American College of Physicians. Dr. Silverman is a member of the Wilderness Medical Society and he enjoys camping with his wife and three children. He is an avid runner, a published author of children's poetry and an aspiring violinist.
Jonathan Liu, MD, DPM
Dr. Liu is board certified in Family Medicine.
He was born and raised in Charlotte. He attended college at the University of North Carolina at Chapel Hill, and began his medical career as a podiatrist, attending Scholl College of Podiatric Medicine in Chicago, and then completing his residency at the Central Alabama Veterans Healthcare System. Dr. Liu then made the decision to broaden his horizons by attending East Carolina University Brody School of Medicine, obtaining his second doctorate, before completing his residency in Family Medicine at Spartanburg Regional Healthcare System. After moving back to the Charlotte Metro area in 2008, Dr. Liu has held several positions that have focused primarily on adult primary care and preventive medicine.
In his spare time, he enjoys reading novels, taking long walks, traveling, and spending time with his son and daughter.