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 Christopher Lorenzi, M.D. obtained his medical degree from Albert Einstein College of Medicine in Bronx, NY after earning a B.A. in Chemistry from the City University of New York, where he graduated magna cum laude with special and departmental honors as a Thomas Hunter Scholar and scholar-athlete. He completed an internship in pathology at the Bronx Municipal Hospital Center, a residency in radiology at New York Medical College in Valhalla, NY, and a fellowship in musculoskeletal radiology at the Hospital for Joint Diseases/Orthopaedic Institute in New York, NY.
Dr. Lorenzi is board-certified by the American Board of Radiology and has published four articles in the field. In addition to his position at Regional Radiology, he remains on the active staff at St. Vincent Catholic Medical Centers of New York - Staten Island Region, and is an assistant professor of radiology at New York Medical College.
Dr. Lorenzi's professional memberships include:
- American College of Radiology
- Medical Society State of New York
- New York Roentgen Society
- Radiologic Society of New York Medical College
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 Ronald A. Manfredi, M.D. earned his medical degree cum laude from the State University of New York Downstate Medical Center in Brooklyn, where he was awarded the Samuel L. Kountz Award for Clinical Excellence in Surgery, after attending the University of Pavia College of Medicine in Pavia, Italy. His post-graduate training included a transitional internship at St. Vincent's Hospital & Medical Center in New York and a residency in diagnostic radiology and fellowship in interventional radiology at The New York Hospital - Cornell Medical Center in New York, NY.
In addition to his position at Regional Radiology, Dr. Manfredi practices diagnostic radiology and cardiovascular & interventional radiology at St. Vincent Catholic Medical Center, Staten Island, where he serves as section chief of Cardiovascular Interventional Radiology. He is an assistant clinical professor of radiology at New York Medical College providing guidance and instruction to the radiology residents.
Dr. Manfredi is board-certified by the American Board of Radiology and National Board of Medical Examiners with a Certificate of added qualifications in CVIR.
Dr. Manfredi also has additional experience and training in the following:
- Certificate of Added Qualifications - CVIR (November 1996)
- AneuRx Stent Graft
- Ancure Stent Graft
- Endovascular Laser Venous System (ELVS) and Sclerotherapy Procedure and Safety Training Course at The Center for Endovascular Laser Venous Ablation, Vein Institute of N.J., Morristown, NJ (December 2002)
His professional memberships include:
- Society of Interventional Radiology
- Radiology Society of North America
- American Roentgen Ray Society
- American Medical Association
- Richmond County Medical Society
- Medical Society State of New York
Dr. Manfredi enjoys downhill skiing, weight training, backpacking, bicycling and scuba diving.
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