Dr. David Onsager specializes in cardiac surgery, vascular surgery, thoracic surgery, general surgery in McHenry, Illinois.
Dr. David Onsager has been compared 38 times. Details of Dr. Onsager's 27 years experience as an MD, his hospital affiliation and education at Rush University are available on your free doctor report.
Patient Ratings and Reviews
Dr. David Onsager has an average rating of 5 stars (out of 5) with a rating of Excellent based on 1 reviews.
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Board Certification, Specialty and Expertise
Dr. David Onsager has been identified as specializing in Cardiac Surgery, Vascular Surgery, Thoracic Surgery and General Surgery.
- Thoracic Surgery
A hospital affiliation covers any doctor who has an affiliation, association or admitting privilege with a hospital. A doctor's particular affiliation to a specific hospital can translate to the overall quality of that provider.
Dr. Onsager attended medical school at Rush University Rush Medical College and graduated in 1988 having 27 years experience.
While there is no proven correlation between the quality of one's educational institution and the quality of one's professional competence, it is often an indicator. Medical schools have various levels of selectivity (some are harder to get into than others), and both the quality of their clinical training and level of research are measured. Additional medical training in both residency and fellowships and the facilities they are conducted at also provide a history of the doctors' level of training and experience.
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