Dr. Ahmed N. Mahmoud

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 Disseminated Intravascular Coagulation. His top areas of expertise are Prekallikrein Deficiency, Congenital Anti-Plasmin Deficiency, Disseminated Intravascular Coagulation, and Cirrhosis.

Joseph Calhoun, DO, is certified in internal medicine by the American Board of Internal Medicine. He is affiliated with UPMC Passavant. He completed his residency at Allegheny General Hospital and medical degree at Philadelphia College of Osteopathic Medicine. Dr. Calhoun is rated as an Advanced provider by MediFind in the treatment of Disseminated Intravascular Coagulation. His top areas of expertise are Prekallikrein Deficiency, Congenital Anti-Plasmin Deficiency, Disseminated Intravascular Coagulation, and Fibrosing Mediastinitis.

Virginia Balderston is a primary care provider, practicing in Internal Medicine in Gibsonia, Pennsylvania. Dr. Balderston is rated as an Advanced provider by MediFind in the treatment of Disseminated Intravascular Coagulation. Her top areas of expertise are Lung Metastases, Prekallikrein Deficiency, Congenital Anti-Plasmin Deficiency, and Disseminated Intravascular Coagulation.