Januario E. Castro, MD

Blanca C. Lizaola-Mayo, M.D., is a gastroenterologist (transplant hepatologist) with the Liver Transplant Program within the Transplant Center at Mayo Clinic in Phoenix, AZ. Her primary clinical care interests include fatty liver disease, liver transplantation, post-transplant outcomes, frailty and sarcopenia in liver disease, and health disparities.

Mitchell R. Humphreys, M.D., is a urologist and surgeon at Mayo Clinic Comprehensive Cancer Center in Phoenix, Arizona. Dr. Humphreys treats benign prostatic hyperplasia, kidney stones and prostate cancer. He is an expert in donor nephrectomy, holmium laser prostate surgery (HoLEP), minimally invasive surgery, nephrectomy, percutaneous nephrolithotomy, radical prostatectomy, robotic prostatectomy and upper endoscopy. He has a special interest in nerve-sparing prostate surgery, percutaneous renal surgery, metabolic kidney stone disease. Dr. Humphreys offers personalized treatment options that best suit your needs and goals. Mayo Clinic is the #1 hospital in Arizona, according to the U.S. News & World Report, and the Cancer Center continually ranks among the top hospitals in the U.S. for Cancer. Mayo Clinic Comprehensive Cancer Center is a National Cancer Institute (NCI)-designated comprehensive cancer center.