Dr. Sidney Olefson is a Doctor in Worcester 1655, Worcester MA …read more Dr. Sidney Olefson practices at Roger Williams Medical Center in Worcester 1655, Worcester MA,Office in Fall River 2721, Fall River MA and Prima Care PC in Fall River 2721, Fall River MA.
Some of the services provided by the doctor are: Gastroesophageal reflux (GERD),Colonoscopy,Inflammatory Bowel Disease (IBD),Inflammatory Bowel Disease and Upper GI Endoscopy etc.read less