John Viehman, MD, is certified in infectious disease and internal medicine by the American Board of Internal Medicine. He practices at University of Pittsburgh Physicians, Department of Medicine, Division of Infectious Disease and is affiliated with UPMC Mercy, UPMC Northwest, UPMC Jameson, UPMC Presbyterian, UPMC Bedford, UPMC Magee-Womens Hospital, and UPMC Horizon. He completed his fellowship at University of Pittsburgh School of Medicine, residency at David Geffen School of Medicine at UCLA, and medical degree at Temple University School of Medicine.