Dr. Mark Dewey Sifford, MD

Dr. Mark Sifford is a pulmonologist and internal medicine physician who earned his medical degree from the University of Arkansas for Medical Sciences College of Medicine. He completed his residency training at University Hospital of Arkansas and brings over four decades of medical experience to his practice. Dr. Sifford speaks English and has dedicated his career to treating patients with respiratory and internal medicine conditions.

Dr. Sifford practices at multiple locations throughout Arkansas, including Jonesboro and Piggott, and maintains affiliations with Saint Bernards Medical Center, NEA Baptist Memorial Hospital, and Arkansas Methodist Medical Center. His clinical focus includes caring for patients with chronic lung disease and COPD, including complex cases involving multiple health conditions. He performs specialized breathing tests such as pulmonary function testing and bronchodilator reversibility testing to help diagnose and monitor lung conditions.