Nathan Everett Riddell, MD

Dr. Nathan Riddell is a cardiovascular disease specialist who brings 13 years of medical experience to his practice. He earned his medical degree from St. Georges University Medical School and completed his internal medicine residency at the University of Massachusetts in 2016. Dr. Riddell pursued advanced subspecialty training with fellowships in cardiovascular disease and interventional cardiology at St. Elizabeth Medical Center, completing his interventional cardiology fellowship in 2020 and his cardiovascular disease fellowship in 2022.

Dr. Riddell practices at UMass Memorial Medical Center and sees patients at multiple locations throughout Massachusetts, including North Chelmsford and Lowell. He focuses on treating complex heart conditions such as aneurysms, aortic disease, and cardiac arrhythmias. His expertise includes performing diagnostic procedures like electrocardiograms, contrast echocardiography, and transthoracic echocardiograms to evaluate heart function and detect …cardiovascular problems.