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 / NJ

WILLIAM T DEROSA, DO

MEDICAL ONCOLOGY

Medical school: AT STILL UNIVERSITY OF HEALTH SCIENCES, COLLEGE OF OSTEO MED, KIRKSVILLE

Graduated: 1980

Also: HEMATOLOGY

NPI: 1902894991

Practice Locations (1)

BARNABAS HEALTH MEDICAL GROUP PC

1 CLARA MAASS DR

BELLEVILLE, NJ 071093550

9734502760

Source: CMS National Downloadable File, September 2026.

WILLIAM DEROSA, DO | HealthCareAtlasUSA