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 / MA

WILLIAM N FENNEY, MD

INTERNAL MEDICINE

Medical school: NEW YORK MEDICAL COLLEGE

Graduated: 1979

Offers telehealth

NPI: 1366454696

Practice Locations (1)

35 CEDAR ST

HYANNIS, MA 026013009

5087786363

Source: CMS National Downloadable File, September 2026.