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Dr. D. Tyler Greenfield, M.D., is an esteemed thoracic surgeon and medical director with a
distinguished career in medicine. He earned his B.B.A. in Finance, summa cum laude, from
Baylor University and his M.D. from The University of Texas Southwestern Medical School,
where he was a member of Alpha Omega Alpha. Dr. Greenfield completed his residency in
General Surgery and a fellowship in Cardiothoracic Surgery at The Medical College of Virginia
Hospitals, followed by a fellowship in Pediatric Cardiovascular Surgery at The Hospital for Sick
Children in Toronto.
His interests include wound care, hyperbaric medicine, and cardiothoracic surgery. Dr.
Greenfield is a fellow of the American Board of Thoracic Surgery and holds active medical
licenses in multiple states. He has held academic positions at Tulane University, Texas Tech
University, and East Tennessee State University. Dr. Greenfield has conducted significant
research, including studies on myocardial protection and preservation, and has been a principal
investigator in clinical trials focusing on cardiovascular events and pulmonary hypertension
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This website is an informative site that aims to offer its users find helpful information regarding a second opinion services that will be suitable for their medical condition. The content provided in this website is not and shall not be taken as expert or professional medical advice for any matter and is not an alternative to an in-person physician consultation. Our services are different from the diagnostic service typically provided by a physician, as the physicians do not have the benefit of information that would be obtained by examining you in person, observing your physical condition, or conducting diagnostic testing to the specifications of the physician. Therefore, the physician may not be aware of facts or information that would affect the physician ́s medical opinion of your condition. In some cases, these facts may be critical to the opinion. USARAD is not responsible for potential errors in opinion resulting from missing, incomplete, poorly translated or illegible records, or poor-quality images