Joseph Blackshear, MD

Even in this time of uncertainty, Mayo Clinic is a place for hope and healing — and we're delivering the care you need. Mayo Clinic follows carefully designed, rigorously enforced safety precautions for anyone who needs face-to-face care...

Shennen A. Mao, M.D., is a transplant surgeon with the Liver Transplant Program, Kidney Transplant Program, and Pancreas Transplant Program within the Transplant Center at Mayo Clinic in Jacksonville, FL. Her primary clinical care interests include kidney transplant, liver transplant, and pancreas transplant surgeries.

Juan Carlos Leoni Moreno, M.D., is a cardiologist with the Heart Transplant Program within the Transplant Center at Mayo Clinic in Jacksonville, FL. His primary clinical interests include caring for patients with advanced heart failure, the use of advanced medical therapies for the treatment of heart failure, the use of advanced surgical therapies for the treatment of heart failure, such as mechanical circulatory support which includes the evaluation and management of patients with left ventricular assist devices (LVAD), and evaluation and management of patients who may benefit from heart transplantation.