Thoracic Surgery (Cardiothoracic Vascular Surgery) in CHICAGO, IL
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David R Onsager is a thoracic surgeon specializing in cardiothoracic vascular surgery based in Chicago, IL.
Generated from public NPI Registry data only. Not independently verified — confirm credentials directly with the practice.
DAVID R ONSAGER specializes in Thoracic Surgery (Cardiothoracic Vascular Surgery).
DAVID R ONSAGER practices in CHICAGO, IL.
DAVID R ONSAGER's NPI number is 1396829156.