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 / IL
OPHTHALMOLOGY
Medical school: NORTHWESTERN UNIVERSITY FEINBERG MEDICAL SCHOOL
Graduated: 2004
NPI: 1801005384
RONALD S WEISS MD SC
4401 S HARLEM AVE
STICKNEY, IL 604024250
7087883400
Source: CMS National Downloadable File, September 2026.