Cardiovascular Fellowship Faculty & Staff
Barry Bertolet, MD
Cardiovascular Disease Program Director
Dr. Barry Bertolet is an interventional cardiologist with Cardiology Associates of North Mississippi and on the medical staff of North Mississippi Medical Center’s Heart and Vascular Institute.
He graduated from the University of Mississippi School of Medicine and complete his internal medicine and cardiology training at the Unive...
John Murray Estess Jr., MD
Associate Program Director
Dr. J. Murray Estess, FACC, is the Assistant Director for the Cardiovascular Fellowship training program. He is a former Chief of Staff and current director of the Cardiovascular Non-invasive laboratory. He holds a bachelor's in biology from Delta State University, a bachelor's degree in Pharmacy from the University of Mississippi and medica...
Jennifer Ethridge
Cardiovascular Disease Program Coordinator
Jennifer serves as the Cardiology Fellowship Program Coordinator for the Graduate Medical Education Program. She earned a bachelor's in political science and an MBA, both from Murray State University. Additionally, she earned a master's in higher education while working at the University of Mississippi. She is passionate abo...
Richard Dane Ballard, MD
Dane Ballard, MD, is an interventional cardiologist with Cardiology Associates of North Mississippi and serves on the medical staff of North Mississippi Medical Center’s Heart and Vascular Institute. He earned his medical degree from the University of Mississippi School of Medicine in 2011. He completed cardiology and interventional cardiology fellowships at the Unive...
Jonathan Blossom, MD
Dr. Jonathan Blossom is an interventional cardiologist with Cardiology Associates of North Mississippi and on the medical staff of North Mississippi Medical Center’s Heart and Vascular Institute. He earned his medical degree from the University of Mississippi School of Medicine in Jackson. He completed residency training, a cardiovascular diseases fellowship and an in...
Henry Baker Boler, MD
Baker Boler, MD, is a 2008 graduate of Pillow Academy in Greenwood. He attended the University of Mississippi and earned his medical degree from the University of Mississippi Medical Center in Jackson.
Dr. Boler says he loves the practice of medicine and his home state of Mississippi, and he chose to practice here because, “my father is a physician in Greenwood and I h...
William "Bo" Calhoun, MD
Dr. Bo Calhoun is a board-certified cardiologist who has served patients in north Mississippi since 1997. Born and raised in Natchez, Mississippi, he earned his medical degree from Louisiana State University and completed both his internal medicine residency and cardiology fellowship at the University of Florida in Gainesville. Dr. Calhoun sees patients in Tupelo and...
Karthik Venkatesh Prasad, MD
Dr. Prasad is a cardiac electrophysiologist at North Mississippi Health Services and has been in practice since 2017. He specializes in diagnosis and treatment of heart rhythm disorders.
He received his bachelor’s degrees in medicine and surgery from J.J.M. Medical College in Davangere, India, and completed residency training in internal medicine and a fellowship in ca...
James Edgar Stone Jr., MD
A native of Fulton, Mississippi, Dr. Stone earned his medical degree from the University of Alabama School of Medicine after attending Mississippi State University. He is dedicated to educating the next generation of cardiovascular physicians while providing exceptional patient care. He and his wife, Elizabeth Shirley Stone of West Point, Mississippi, have three child...
For questions regarding the Cardiovascular Fellowship program, please contact Jennifer Ethridge, Program Coordinator.