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Cardiac Surgery Associates Physician Directory

David R. Onsager, MD,

main office location

Cardiac Surgery Associates, S.C.

200 Greenleaf St., Suite A
Gurnee,  IL  60031

main office phone

(847) 244-6060

board certification(s)

·        American Board of Surgery

·        American Board of Thoracic Surgery

Medical School

Rush Medical College

Residency

Medical College of Wisconsin Affiliated Hospitals

Fellowship/Internships

·        University of Wisconsin Hospital and Clinics

·        University of Chicago Medical Center

Special Surgical Interests

·        Minimally invasive cardiac surgery

·        Valve Surgery

·        Maze III procedure for atrial fibrillation

·        Re-do cardiac surgery

·        Left ventricular assist therapy

·        Heart transplantation

 

Personal Bio

Dr. Onsager received his bachelor’s degree in Bio chemistry, History and Sociology of Science from the University of Pennsylvania. He completed medical school at Rush Medical College and a general Surgery Residency at the Medical College of Wisconsin Affiliated Hospitals. He completed Fellowship training in cardiothoracic surgery at the University of Wisconsin Hospital and Clinics where he also completed a Thoracic Organ Transplantation Fellowship. An Advanced Fellowship in Adult Cardiac Surgery was completed at the University of Chicago Medical Center. He is a Clinical Assistant Professor in the Division of Cardiothoracic Surgery at Loyola University Medical Center.

 

Dr. Onsager is happily married. He enjoys tennis, skiing and flying. He is an instrument-rated pilot.

Societies and Affiliations

 

·        Illinois Thoracic Surgical Society

·        Society of Thoracic Surgeons

·        International Society for Heart and Lung Transplantation

·        Fellow, International College of Surgeons

 

 

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