Dr. Callahan is an Assistant Professor of Oral and Maxillofacial Surgery at the University of Illinois Chicago. Most recently, Dr. Callahan completed a Fellowship in Head and Neck Oncology and Microvascular Reconstructive Surgery at the University of Maryland at Baltimore Medical Center. He received his medical school education and General Surgery training at SUNY Downstate, and his Oral and Maxillofacial Surgery training at Kings County Hospital Center in Brooklyn, New York. He attended the University of Pittsburgh School, of Dental Medicine for his dental school training, and also received his Masters of Public Health degree at the University of Pittsburgh Graduate School of Public Health.
Dr. Nicholas Callahan is a surgeon in the Department of Oral & Maxillofacial Surgery at UI Health. Dr. Callahan specializes in treating patients with both benign and malignant pathologies of the head and neck. He specializes in both removal of tumors and reconstructions of the defects, and he also manages maxillofacial trauma. Dr. Callahan is educated both in medicine and dentistry, and he is fellowship-trained in head and neck oncologic surgery and microvascular surgery.