University of Cincinnati College of Medicine | Fellowship, 2007
Duke University Medical Center | Fellowship, 1995
Duke University Medical Center | Residency, 1992
Duke University Medical Center | Internship, 1990
Marshall University Joan C. Edwards School of Medicine | Medical School, 1989
Medical Doctor
Certifications
American Board of Internal Medicine | Board, 2007
Interventional Cardiology
Ratings and Reviews
The Patient Satisfaction Rating is an average of all responses to the care provider related questions shown below from our survey. Patients that are treated in outpatient or hospital environments may receive different surveys, and the volume of responses will vary by question.
4.9 / 5 (493 ratings, 10 comments)
Comments from patients
5 / 5
Dr. Callahan takes hus time to explain condition and procedures. He has one of the best bedside manners! He is exactly the cardiologist I was looking for!
Reviewed June 27, 2024
5 / 5
Excellent, caring , concerned Dr ! My husband and I are blessed to have him as our Dr
Reviewed June 26, 2024
5 / 5
Dr. Callihan is Wonderful. Without question one of the very best doctors that I have Ever had In my 75 years.He Is literally on of the VERY BEST doctors at Tri-Health