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 / MD

ALLISON HAYS, MD

CARDIOVASCULAR DISEASE (CARDIOLOGY)

Medical school: COLUMBIA UNIVERSITY COLLEGE OF PHYSICIANS AND SURGEONS

Graduated: 2002

Also: INTERNAL MEDICINE

NPI: 1831394394

Practice Locations (2)

JOHNS HOPKINS UNIVERSITY

600 N WOLF ST

BALTIMORE, MD 212870005

4109555000

JOHNS HOPKINS UNIVERSITY

6201 GREENLEIGH AVE

MIDDLE RIVER, MD 212202004

Source: CMS National Downloadable File, September 2026.