Sean Patrick Callahan, MD

Dr. Sean Callahan specializes in pulmonology and critical care medicine, bringing 16 years of experience to his practice. He earned his medical degree from Ross University School of Medicine and completed his residency at Lahey-Hitchcock Medical Center. His dual specialty training allows him to care for patients with complex lung conditions both in outpatient settings and intensive care environments.

Dr. Callahan is affiliated with MUSC Health Ashley River Tower and practices across multiple locations in South Carolina, including Greer, Greenville, and Simpsonville. He treats patients with pulmonary nodules, chronic lung disease, and COPD. His expertise includes performing bronchoscopy procedures, pulmonary function testing, and pathology tests to diagnose and monitor lung conditions. Patients consistently rate Dr. Callahan highly, giving him an average rating of 5.0 on Vitals.