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

JACK ARMSTRONG FINNEGAN, DO

EMERGENCY MEDICINE

Graduated: 2020

NPI: 1326677451

Practice Locations (2)

CEPAMERICA ILLINOIS LLP

3249 OAK PARK AVE

BERWYN, IL 604023429

7087839100

ROCKFORD EMERGENCY PHYSICIANS, LLC

1401 E STATE ST

ROCKFORD, IL 611042315

7796964400

Source: CMS National Downloadable File, September 2026.

JACK FINNEGAN, DO | HealthCareAtlasUSA