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

JACEK ZAJAC, MD

ENDOCRINOLOGY

Graduated: 1991

NPI: 1396817912

Practice Locations (1)

ENDOCRINOLOGY ASSOCIATES SC

2500 S HIGHLAND AVE, SUITE 104

LOMBARD, IL 601485381

6306293610

Source: CMS National Downloadable File, September 2026.

JACEK ZAJAC, MD | HealthCareAtlasUSA