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

RANRAN ZHANG, MD

PATHOLOGY

Graduated: 2013

NPI: 1205254539

Practice Locations (3)

MERCY HEALTH SYSTEM CORPORATION

901 GRANT ST

HARVARD, IL 600331821

8159435431

ROCKFORD HEALTH PHYSICIANS

8201 E RIVERSIDE BLVD

ROCKFORD, IL 611142300

8159712000

MERCY HEALTH SYSTEM CORPORATION

1000 MINERAL POINT AVE

JANESVILLE, WI 535482940

6087566000

Source: CMS National Downloadable File, September 2026.

RANRAN ZHANG, MD | HealthCareAtlasUSA