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

NICHOLAS J PEACOCK, DO

EMERGENCY MEDICINE

Medical school: PHILADELPHIA COLLEGE OF OSTEOPATHIC MEDICINE

Graduated: 2013

NPI: 1619316304

Practice Locations (2)

RUSH UNIVERSITY MEDICAL GROUP

520 S MAPLE AVE

OAK PARK, IL 603041022

7086602240

RUSH OAK PARK ER PHYSICIANS GROUP

520 S MAPLE AVE

OAK PARK, IL 603041022

7086606665

Source: CMS National Downloadable File, September 2026.