New Patients
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Our Care Team

Our Care Team

Since establishing Riverbend Family Medicine in 1998, Dr. Ley Barnett and her team have been dedicated to caring for the families of our community. With our compassionate and skilled team, we feel confident that you will be more than satisfied with your experience at Riverbend. We look forward to building a long and healthy relationship with you and your family.


Ley Barnett, M.D.

Dr. Barnett established Riverbend Family Medicine in 1998 to serve the health care needs of the local community. Dr. Barnett graduated from East Carolina University School of Medicine in Greenville, N.C. She completed her internship and residency in family practice at the Medical Center of Delaware Department of Family Medicine in Wilmington, DE. Dr. Barnett is a member of the American Academy of Family Physicians and a diplomat of the American Board of Family Medicine. She considers it a privilege to provide care for the families of southern Wake and Harnett counties, and is honored to be recognized for high levels of patient-satisfaction.


James R. Liffrig, M.D., M.P.H.

Dr. Liffrig graduated from Uniformed Services University of the Health Sciences School of Medicine in Bethesda, MD. He completed his internship with the Eisenhower Army Medical Center in Fort Gordon, GA, and completed his residency in family medicine at the Womack Army Medical Center in Fort Bragg, NC.  Dr. Liffrig received his Masters of Public Health from the University of Washington in Seattle, WA while completing his fellowship in Faculty Development at the Madigan Army Medical Center in Tacoma, WA.  Dr. Liffrig is a diplomat of the American Board of Family Medicine




Joy Vonk, P.A.-C.

Ms. Vonk is a certified physician assistant. She graduated from NC State University with a bachelor of science in biological science nutrition and bachelor of science in animal science. She went on to complete her master of science in physician assistant studies from Baylor College of Medicine in Houston, TX.  Prior to joining Riverbend Family Medicine, she practiced internal medicine as a physician assistant in Houston, TX.