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 / IL

BASSIM ASSIOUN, MD

NEPHROLOGY

Graduated: 2008

NPI: 1669785408

Practice Locations (5)

HSHS MEDICAL GROUP INC

4500 MEMORIAL DR

BELLEVILLE, IL 622265360

6182337750

HSHS MEDICAL GROUP INC

9515 HOLY CROSS LANE

BREESE, IL 622303618

6185264511

HSHS MEDICAL GROUP INC

1900 E LAKE SHORE DR, SUITE 330

DECATUR, IL 625213848

2174232889

HSHS MEDICAL GROUP INC

904 MEDICAL PARK DR

EFFINGHAM, IL 624012193

2175402350

HSHS MEDICAL GROUP INC

1512 N GREEN MOUNT RD, SUITE 108

OFALLON, IL 622691953

6186245510

Source: CMS National Downloadable File, September 2026.