Dr. McMahan is a graduate of the University of South Carolina School of Medicine and Medical University of South Carolina College of Medicine and a graduate of Northwestern Memorial Hospital's residency program. His clinical interests include immunotherapy, somnoplasty, and endoscopic sinus surgery. He has received a 5.0 out of 5 star rating by his patients. He honors Blue Cross/Blue Shield, HFN, Coventry, and more. His professional affiliations include Northwestern Memorial Hospital and Northwestern University Feinberg School of Medicine. Dr. McMahan welcomes new patients.