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Doctors / IL

WILLIAM C LEACH JR., MD

OBSTETRICS/GYNECOLOGY

Graduated: 2002

NPI: 1558399279

Practice Locations (2)

MERCY HEALTH SYSTEM CORPORATION

875 S ROUTE 31

CRYSTAL LAKE, IL 600148190

7792205500

MERCY HEALTH SYSTEM CORPORATION

N2950 STATE RD, SUITE 67

LAKE GENEVA, WI 531472655

2622450535

Source: CMS National Downloadable File, September 2026.

WILLIAM LEACH, MD | HealthCareAtlasUSA