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

DEREK B ROSNER, MD

ANESTHESIOLOGY

Medical school: NEW YORK COLLEGE OF OSTEO MEDICINE OF NEW YORK INSTITUTE OF TECHNOLOGY

Graduated: 2002

NPI: 1518911130

Practice Locations (2)

BAYSTATE MEDICAL PRACTICES INC

280 CHESTNUT ST, SUITE 2

SPRINGFIELD, MA 011991001

BAYSTATE MEDICAL PRACTICES INC

759 CHESTNUT ST

SPRINGFIELD, MA 011991001

4137945439

Source: CMS National Downloadable File, September 2026.