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

WILLIAM FONFEDER, MD

INTERNAL MEDICINE

Graduated: 1981

Also: PEDIATRIC MEDICINE

NPI: 1568534964

Practice Locations (1)

AHAVA MEDICAL AND REHABILITATION CENTER, LLC

2555 NOSTRAND AVE

BROOKLYN, NY 112104730

71895188002102

Source: CMS National Downloadable File, September 2026.