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 / NY

ERIN MACKAY, PA

PHYSICIAN ASSISTANT

Graduated: 2016

NPI: 1114465754

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.

ERIN MACKAY, PA | HealthCareAtlasUSA