Cardiologists

Here at Karing Hearts Cardiology we aim to provide the highest level of healthcare expertise paired with superior service. By delivering personalized healthcare in easy-to-understand language, we hope to help you pursue healthiness.

We specialize in fetal heart problems, congenital heart disease, irregular and fast heart beats, high cholesterol and high blood pressure, fainting, chest pain, heart murmurs and we assess cardiovascular fitness for sports participation. We see fetus up to age 25 years. Our main offices are in Johnson City/Kingsport, and we have satellite offices in Norton and Abingdon, VA We have 2 board certified pediatric cardiologists - Ashish B. Madhok, MD, MBA, FACC, FAAP, and Jerry D. Walkup, Jr., M.D, FACC, FAAP We also have a board certified Pediatric NP who has been with us since June 2019- Brooke N. Griffith, C-PNP.