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

RYAN L JENNINGS, MD

HOSPITALIST

Medical school: SOUTHERN ILLINOIS UNIVERSITY SCHOOL OF MEDICINE

Graduated: 1998

Also: FAMILY PRACTICE, INTERNAL MEDICINE, PEDIATRIC MEDICINE

NPI: 1477588499

Practice Locations (4)

CEP AMERICA-ILLINOIS HOSPITALISTS, LLP

1 SAINT ANTHONYS WAY

ALTON, IL 620024568

6184652571

CEP AMERICA-ILLINOIS HOSPITALISTS, LLP

200 HEALTH CARE DR

GREENVILLE, IL 622461154

6186641230

CEP AMERICA-ILLINOIS HOSPITALISTS, LLP

1215 FRANCISCAN DR

LITCHFIELD, IL 620561778

2173242191

CEP AMERICA-ILLINOIS HOSPITALISTS, LLP

1 SAINT ELIZABETH BLVD

O FALLON, IL 622691099

6182342120

Source: CMS National Downloadable File, September 2026.

RYAN JENNINGS, MD | HealthCareAtlasUSA