Dr. Onsager is on Doximity
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Office
5841 S Maryland Ave
Chicago, IL 60637Phone+1 888-824-0200Fax+1 773-702-4187
Education & Training
- University of Wisconsin Hospitals and ClinicsFellowship, Thoracic Surgery, 1995 - 1997
- Medical College of Wisconsin Affiliated HospitalsResidency, Surgery, 1988 - 1994
- Rush Medical College of Rush University Medical CenterClass of 1988
Certifications & Licensure
- IL State Medical License 1996 - 2026
- NE State Medical License 1999 - 2026
- IN State Medical License 2018 - 2025
- WI State Medical License 1989 - 2025
- IA State Medical License 2000 - 2002
- American Board of Surgery Surgery
- American Board of Thoracic Surgery Thoracic and Cardiac Surgery
Publications & Presentations
PubMed
- Hybrid convergent procedure with proactive oesophageal cooling for the treatment of long-standing persistent atrial fibrillation: a case series.Alejandro Velasco, Chirag Buch, Dawn Hui, Christopher Joseph, David Onsager
European Heart Journal. Case Reports. 2024-07-01 - Impact of prophylactic donor heart tricuspid valve annuloplasty on outcomes in heart transplantation.Hidefumi Nishida, Valluvan Jeevanandam, Christopher Salerno, Atsushi Nemoto, Tae Song
Journal of Cardiothoracic Surgery. 2023-10-12 - Concomitant left atrial appendage closure during left ventricular assist device surgery can reduce ischaemic cerebrovascular accidents.Hidefumi Nishida, Valluvan Jeevanandam, Christopher Salerno, Atsushi Nemoto, Tae Song
Interdisciplinary Cardiovascular and Thoracic Surgery. 2023-07-12
Professional Memberships
- Member
- Member
- International Society for Heart and Lung TransplantationMember
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