Dr. George B. Cheponis

George Zimmerman is a primary care provider, practicing in Internal Medicine in Pleasant Hills, Pennsylvania. Dr. Zimmerman is rated as an Advanced provider by MediFind in the treatment of Chronic Lymphocytic Leukemia (CLL). His top areas of expertise are Richter Syndrome, Chronic B-Cell Leukemia (CBCL), Chronic Lymphocytic Leukemia (CLL), and Chronic Cough.

Thomas Shetter is a primary care provider, practicing in Geriatrics and Internal Medicine in Butler, Pennsylvania. Dr. Shetter is rated as an Advanced provider by MediFind in the treatment of Chronic Lymphocytic Leukemia (CLL). His top areas of expertise are Sitosterolemia, High Cholesterol, Low Sodium Level, and Type 2 Diabetes (T2D).

Mark Fantaski, MD, specializes in internal medicine and is board-certified in internal medicine by the American Board of Internal Medicine. He practices at HealthQuest Medical Associates - UPMC and is affiliated with UPMC Passavant. Dr. Fantaski completed his residency at Allegheny General Hospital and medical education at Thomas Jefferson University Medical College. LGBTQIA+ Affirming: This provider has completed training on how to create a safe, comfortable, and welcoming environment for LGBTQIA+ patients. This provider may or may not offer LGBTQIA+ specific medical or surgical care. Please ask when scheduling. Are you already a patient of this provider and have a MyUPMC account? Log in to MyUPMC to schedule. Dr. Fantaski is rated as an Advanced provider by MediFind in the treatment of Chronic Lymphocytic Leukemia (CLL). His top areas of expertise are Congenital Anti-Plasmin Deficiency, Prekallikrein Deficiency, Disseminated Intravascular Coagulation, and Cirrhosis.