Charles W. Callahan, DO
- Rowan University School of Osteopathic Medicine (formely New Jersey School of Osteopathic Medicine)
- St Christophers Hospital for Children (Pennsylvania)
- Walter Reed National Military Medical Center (WRNMMC)
- Ascension Maryland Saint Agnes Hospital
- The American Board of Pediatrics - Pediatrics
- The American Board of Pediatrics - Pediatric Pulmonology
Ascension doctors are committed to getting to know you. They take time for real back-and-forth conversations with you so they can understand all aspects of you and your life. Because great care starts with seeing your whole picture.