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

WILLIAM S PIEKARZ, CSW

CLINICAL SOCIAL WORKER

Graduated: 2005

NPI: 1699093153

Practice Locations (1)

2625 BUTTERFIELD RD, SUITE 103W

OAK BROOK, IL 605233418

6304185316

Source: CMS National Downloadable File, September 2026.

WILLIAM PIEKARZ, CSW | HealthCareAtlasUSA