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

JONATHAN D KLONSKY, MD

GENERAL SURGERY

Graduated: 2002

NPI: 1619130804

Practice Locations (1)

NORTH SHORE-LIJ MEDICAL PC

315 CROSSWAYS PARK DR

WOODBURY, NY 117972066

5168371645

Source: CMS National Downloadable File, September 2026.