HealthCareAtlasUSA

This site republishes official CMS/Medicare Care Compare data. It is not medical advice and does not recommend any specific hospital or treatment — for medical decisions, talk to a doctor.

Doctors / PA

RYAN CALLAHAN, MD

CARDIOVASCULAR DISEASE (CARDIOLOGY)

Medical school: DREXEL UNIVERSITY COLLEGE OF MEDICINE

Graduated: 2008

NPI: 1023271749

Practice Locations (1)

CHILDRENS HEALTH CARE ASSOCIATES INC

3401 CIVIC CTR BLVD

PHILADELPHIA, PA 191044319

2155901000

Source: CMS National Downloadable File, September 2026.

RYAN CALLAHAN, MD | HealthCareAtlasUSA