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

NADEEM AHSON SIDDIQUI, MD

HOSPITALIST

Graduated: 1983

Also: INTERNAL MEDICINE

NPI: 1447360631

Practice Locations (2)

MERCY HEALTH SYSTEM CORPORATION

875 S ROUTE 31

CRYSTAL LAKE, IL 600148190

7792205500

ROCKFORD HEALTH PHYSICIANS

2400 N ROCKTON AVE

ROCKFORD, IL 611033655

8159715000

Source: CMS National Downloadable File, September 2026.