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 / MA

FRANCIS X O CONNOR, MD

GENERAL SURGERY

Medical school: TUFTS UNIVERSITY SCHOOL OF MEDICINE

Graduated: 1987

NPI: 1306819867

Practice Locations (2)

NANTUCKET COTTAGE HOSPITAL

57 PROSPECT ST

NANTUCKET, MA 025542799

5088258100

NANTUCKET PHYSICIANS ORGANIZATION

57 PROSPECT ST

NANTUCKET, MA 025542799

5088258100

Source: CMS National Downloadable File, September 2026.

FRANCIS O CONNOR, MD | HealthCareAtlasUSA