Jacqueline Cullen, CRNP

Perry J Tiberio, MD, PhD Perry Tiberio, MD, PhD, is a pulmonary and critical care medicine physician with AHN Medicine Institute, skilled at endobronchial ultrasound, pleural procedures, lung cancer, COPD, asthma, critical care, and interstitial lung disease. Dr. Tiberio earned his undergraduate degree in Bioengineering from the University of Pittsburgh, followed by his M.D. and Ph.D. from SUNY Downstate Medical Center in Brooklyn, NY. His doctoral research centered on developing innovative vaccination delivery systems aimed at preventing the spread of HIV. He completed his residency at Yale University where he implemented an HIV Pre-Exposure Prophylaxis clinical program. Most recently, Dr. Tiberio completed his fellowship at UPMC, where his research focused on sedation practices in critically ill, ventilated patients with a prior history of substance use disorder. Dr. Tiberio has authored numerous publications, received several teaching and research awards, and has presented his work at regional, national and international conferences. Dr. Tiberio is certified by the American Board of Internal Medicine in Internal Medicine, Pulmonary Medicine, and Critical Care Medicine. He is excited to join the Division of Pulmonary and Critical Care at Allegheny Health Network, where he will continue to pursue his passion in medical education and his love for clinical care, with a particular interest in ICU delirium, sedation of ventilated patients, and post-intensive care syndrome. Dr. Tiberio is looking forward to caring for adult patients throughout the greater Pittsburgh area.

Bethany Stewart is a surgical physician assistant who specializes in bariatric surgery. She sees patients from ages 17 to 75. Bethany received a master’s degree in physician assistant studies from Chatham University in Pittsburgh Pennsylvania. She has a Bachelor of Health Science from Carlow University in Pittsburgh, Pennsylvania. Bethany is board-certified by the National Commission on Certification of Physician Assistants.

Devon is a certified nurse-midwife and a doctor of nursing practice who specializes in pregnancy and birth. She’s committed to providing patient-centered care to patients 12 and older. Devon earned a Doctorate of Nursing Practice at the University of Washington in Seattle, Washington. She’s certified by the American Midwifery Certification Board. Devon is a member of the American College of Nurse-Midwives.