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 / NY

MICHAEL A MASCIELLO, MD

CARDIOVASCULAR DISEASE (CARDIOLOGY)

Medical school: UNIVERSITY OF MIAMI, LM MILLER SCHOOL OF MEDICINE

Graduated: 1980

NPI: 1306824719

Practice Locations (2)

ST FRANCIS HOSPITAL

1000 MONTAUK HWY

WEST ISLIP, NY 117954927

6316692255

ST FRANCIS HOSPITAL

540 UNION BLVD

WEST ISLIP, NY 117953105

6316692255

Source: CMS National Downloadable File, September 2026.

MICHAEL MASCIELLO, MD | HealthCareAtlasUSA