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Mary S. Czerny, M.D.

Mary S.Czerny, M.D.

Dr. Mary S.Czerny


ENT Institute of Southern IL

Hospital Affiliations

Memorial Hospital – Belleville, IL
St. Elizabeth’s Hospital – Belleville, IL
Belleville Surgery Center – Belleville, IL


Main Office
19 Wolf Creek Dr.
Swansea, IL 62226

Phone: (618) 235-3687


Pediatric and Adult Ear, Nose, and Throat – Head and Neck Surgery Disorders
Board Certified by the American Academy of Otolaryngology – Head and Neck Surgery


Vanderbilt University
Ohio State University College of Medicine
Residency – Saint Louis University


Diseases of the Nose and Paranasal Sinuses
Endoscopic Sinus Surgery
Adult and Pediatric Allergy
Surgery for Benign and Malignant Neoplasms of the Head and Neck
Thyroid and Parathyroid Surgery

Accepting new patients for:

Adult and Pediatric Ear Nose Throat

If you would like to schedule a consultation with Dr. Mary Czerny, or would like more information, please call our office at (618) 235-3687!