Dr. Francis Oconnor, MD

With 20 years of practice, Dr. Francis Oconnor is an established general surgery provider, MD, after earning their medical degree at Tufts University School Of Medicine in 1987. Dr. currently practices across 3 facilities, including Nantucket Cottage Hospital in Nantucket, Massachusetts. Their National Provider Identifier (NPI) is 1306819867, and the profile below combines data from CMS NPPES, Medicare billing records, the HHS OIG exclusion list, and — where available — CMS Open Payments, Medicare Utilization, and Part D prescriber summaries.

Dr. Francis Oconnor's practice is located in ZIP 02554 (Nantucket, Massachusetts), which has an overall CartoChrome Healthcare Access Score of 37/100 (Limited Access). Access constraints in this ZIP code can affect wait times, specialist availability, and emergency response — context worth knowing when choosing a provider.

CMS Medicare data shows Dr. Francis Oconnor as a lower-volume general surgery provider, treating approximately 143 Medicare beneficiaries and delivering 176 services in the most recent reporting year. That panel size indicates a smaller, more selective practice pattern.