New Haven Radiology is a professional organization formed by specialists in medical imaging. Our mission is to improve patient care by providing high quality diagnostic and therapeutic imaging services in hospitals and office-based practices in the greater New Haven area
New Haven RadiologyMenu



Color Meet Our Physicians

Radiology Faculty

Turgut Berkmen, M.D.: Medical Director of Endovascular and Interventional Neuroradiology Services

Turgut BerkmenDr. Berkmen is an interventional/neurointerventional radiologist who came to Saint Raphael in 2002, after completing an endovascular/interventional neuroradiology fellowship at the University of Miami's Jackson Memorial Hospital. He has an M.D. from Istanbul University School of Medicine, where he also was a transitional intern and diagnostic radiology resident. He also performed a chest radiology observership at Columbia Presbyterian Hospital and was a diagnostic radiology resident at Saint Raphael. This was followed by a vascular interventional radiology fellowship at Jackson Memorial and a cross-sectional imaging fellowship at Saint Raphael. He is a clinical instructor at Yale University School of Medicine.
Return To Top

Mae Mae Chu, MD

Mae Mae Chu, MDDr. Chu joined New Haven Radiology and the Hospital of Saint Raphael as an attending neuroradiologist in August 2010. She graduated from Columbia University with a B.A. in neuroscience, then received her M.D. from Mount Sinai Hospital in New York. After her internship at Winthrop University Hospital, she returned to Mount Sinai to complete a residency in diagnostic radiology, where she also served as chief resident. Continuing at Mount Sinai, Dr. Chu completed a fellowship in neuroradiology.
Return To Top

David P. Colley, M.D.

David P. ColleyDr. Colley has been an attending radiologist at Saint Raphael since 1981. He has an M.D. from the University of Cincinnati followed by staff radiologist at the University of Cincinnati Medical Center. He was the Director of Diagnostic Radiology from 1990 - 2004. He is an active mentor and teacher in the thoracic and abdominal imaging sections.
Return To Top

Philip A. Dinauer, M.D. : Section Chief, Musculoskeletal Radiology

Philip A. DinauerA musculoskeletal radiologist, Dr. Dinauer joined the Saint Raphael staff in July 2005. He has a B.A. degree from Johns Hopkins University in Baltimore, MD., and an M.D. from Vanderbilt University. His diagnostic radiology residency was completed at Walter Reed Army Medical Center in 1997, where he served as section chief of musculoskeletal radiology until 2005. He has written and presented several peer-review papers on topics in musculoskeletal radiology, and has completed additional training in musculoskeletal radiology at the Armed Forces Institute of Pathology. He is The Program Director of the Residency Training Program at The Hospital of St. Raphael's.
Return To Top

Malcolm B. Friedman, M.D.

Malcolm B. FriedmanAn attending radiologist, Dr. Friedman has been at Saint Raphael since 1987. He has an A.B. from Harvard College and an M.D. from the University of Pennsylvania. He performed his internship, residency and chief residency at University of California hospitals, as well as a computed tomography/ultrasound fellowship.
Return To Top

Helmuth W. Gahbauer, M.D.

Helmuth W. GahbauerDr. Gahbauer has been a Hospital of Saint Raphael attending radiologist and neuroradiologist since 1984. An assistant clinical professor at Yale University School of Medicine, he holds an M.D. from the University of Munich.

He performed a rotating internship in internal medicine, surgery and ob/gyn at teaching city hospitals in Munich, Augsburg and Nuernberg, Bavaria.

After a residency in internal medicine in the main military hospital of Germany in Koblenz he performed a diagnostic radiology residency in the Hospital St. Raphael, followed by a Neuroradiology fellowship at the University of Oregon Health Science Center and training in therapeutic radiology at the teaching hospital of Augsburg, Bavaria.

From 1980 to 1984 he held the position of an Oberarzt at the Surgical Hospital of the University of Heidelberg responsible for diagnostic imaging and neuroradiology. During that time he was also a consultant in stereotactic neuroradiology at the German Cancer Research Center in Heidelberg. During his tenure at the Hospital St. Raphael till 2007 he was director of neuroradiology and the MRI center.

He continues to practice as a consulting neuroradiologist.
Return To Top

Aldo Gonzalez-Beicos, M.D.

Dr. Gonzalez-Beicos joined New Haven Radiology Associates as a vascular and interventional radiology attending in August 2012. He received his M.D. degree from Universidad Central de Venezuela,luis Razetti School of Medicine. He completed an internship in surgery at Saint Elizabeth Medical Center. Tufts School of Medicine, in Boston. He then worked as a research fellow in radiology for a year at the Brigham and Women’s Hospital, Harvard Medical School. This was followed by a radiology residency at the Hospital of Saint Raphael, serving as chief resident in his last two years. He then went to complete a vascular and interventional radiology fellowship at the New York University Langone Medical Center. Dr. Gonzalez-Beicos has special interest in interventional oncology, image guided biopsy, and angiography and embolization, including uterine artery embolization for treatment of uterine fibroids.
Return To Top

Lee H. Greenwood, M.D.: Section Chief, Vascular Interventional Radiology

Lee H. GreenwoodDr. Greenwood is Director of Interventional Radiology, an attending radiologist, and a former associate clinical professor at Yale University School of Medicine. With a B.A. from the University of Utah and an M.D. from George Washington University School of Medicine, Greenwood performed a medical radiological internship at Wilford Hall U.S.A.F. Medical Center. He was a radiology resident and performed an angiography/interventional radiology residency there and is currently a fellow in the society of interventional radiology. (FSIR)
Return To Top

Paul H. Levesque, M.D.: Director of Breast Imaging and Medical Director of Whitney Imaging Center

Paul H. LevesqueDr. Levesque has been an attending radiologist at the Hospital of St. Raphael since 1991. He earned a B.A summa cum laude in Biology from St. Michael's College and an M.D. from Georgetown University School of Medicine. He did a flexible rotating internship at Malcolm Grow U.S.A.F. Medical Center, followed by a diagnostic radiology residency at David Grant U.S.A.F. Medical Center where he was chief resident. He subsequently completed a fellowship in interventional procedures/cross-sectional imaging at Wilford Hall U.S.A.F. Medical Center. Dr. Levesque has maintained a keen interest and involvement in all aspects of diagnostic imaging, predominantly practicing interventional procedures, neuroradiology and cross-sectional imaging for many years. In 1994, he accepted the position of Chief of the Breast Imaging Section. Drawing upon his interventional experience and general imaging background, he pioneered the development of breast ultrasound, ultrasound guided core biopsy, stereotactic core biopsy, breast MRI and MRI guided biopsy at the Hospital of St. Raphael. The breast imaging section has achieved recognition from the American College of Radiology as a Breast Imaging Center of Excellence. He has also been very involved in the development of the Women's Center for Breast Health. Dr. Levesque has also always maintained an active interest and involvement in general imaging. He was one of the founders of the Whitney Imaging Center in Hamden CT, and has been the Medical Director at that facility since 1997.
Return To Top

Felix Lin, M.D., M.P.H.

Felix LinDr. Lin joined Hospital of Saint Raphael as an attending neuroradiologist in the Department of Radiology in July 2007. After earning a B.A. from Washington University and an M.P.H. from Yale University School of Epidemiology and Public Health, he received his M.D. from the University of New Mexico School of Medicine. Dr. Lin completed his residency in diagnostic radiology at Yale-New Haven Hospital, where he also served as chief resident. Following residency, he completed a fellowship in neuroradiology at Duke University Medical Center, and is currently the Associate Program Director of the Residency Training Program . He is also an Assistant Clinical Professor of Radiology at the Yale School of Medicine.
Return To Top

Frank M. Mele, M.D.: Section Chief, Thoracic Radiology

Frank M. Mele Dr. Mele is the President of New Haven Radiology Associates, PC and has been an attending physician since 1998. He has a B.S. from Albright College and earned his M.D. from The Chicago Medical School. He performed a medical internship at Norwalk Hospital, a diagnostic radiology residency and chief residency at the Hospital of Saint Raphael. Upon conclusion of his residency, he was awarded and completed the Winchester Fellowship in Thoracic Imaging at Yale-New Haven Hospital. Dr. Mele is certified by the American Board of Radiology and is the clinical director of the Department of Radiology at the Hospital of Saint Raphael. His interests include all aspects of thoracic imaging with special focus on oncologic imaging, infectious and inflammatory diseases of the lung and trauma.
Return To Top

Diego B. Nunez Jr., M.D., M.P.H.: Chairman, Department of Radiology

Diego B. Nunez Jr.Chairman of Saint Raphael's Radiology Department and a neuroradiologist, Dr. Nunez is also a clinical professor at Yale University School of Medicine. He earned his M.D. degree from Universidad Central de Venezuela; and performed an internal medicine residency at Carney Hospital, Boston University School of Medicine. A diagnostic radiology residency followed at Saint Raphael's, as well as a cardiovascular radiology/special procedures fellowship at Jackson Memorial Hospital, University of Miami School of Medicine. He also earned an M.P.H., with a healthcare management and policy concentration, from Harvard School of Public Health. He is a former professor at University of Miami School of Medicine and Harvard Medical School. Immediately prior to joining the Saint Raphael staff in 2001, he was Director of Emergency Radiology at Brigham and Women's Hospital, Harvard Medical School. Dr Nunez is an active teacher and scholar with multiple participations in the assemblies of national and international radiological societies. He has been also a prolific contributor to radiology literature.
Return To Top

Edward Prokop, M.D.: Section Chief, Cardiac Diagnostics Unit

Edward ProkopDr. Prokop is director of Saint Raphael Cardiac Diagnostic Unit. He has been here since 1974 and is also an associate clinical professor at Yale University School of Medicine. He has a B.S. and M.S. from Pennsylvania State University and an M.D. from the University of Florida. He performed an internal medicine internship and residency at Presbyterian University Hospital, University of Pittsburgh, and a nuclear medicine fellowship at Johns Hopkins.
Return To Top

Zenon Protopapas, M.D.: Medical Director of MRI Services and Saint Raphael MRI Center

Zenon ProtopapasDr. Protopapas has been a Saint Raphael attending physician since 1997 and is an assistant clinical professor at Yale University School of Medicine. He has an M.D. magna cum laude from Albert-Ludwigs University, followed by a year as a biochemistry research associate at Tufts University School of Medicine. He performed an internal medicine residency at Waterbury Hospital, as well as a radiology residency and chief residency at Saint Raphael. This was followed by an assistant professorship at the University of Maryland. He is the Director of Radiology Informatics at the Hospital of Saint Raphael.
Return To Top

Priya Rastogi, M.D.: Section Chief, GI/Body MR

Priya Rastogi Dr. Rastogi joined the Saint Raphael Department of Radiology as an attending radiologist in body imaging in July 2007. She received her M.B.B.S. from Grant Medical College in Mumbai, India, and completed an internship and residency in India. After a transitional year of training at Saint Vincent's Medical Center and doing a radiology residency there, Dr. Rastiogi completed an abdominal imaging fellowship at Columbia New York Presbyterian Hospital. Dr. Rastogi joined the Saint Raphael Department of Radiology as an attending radiologist in 2007.
Return To Top

Jose Restrepo, M.D.: Medical Director of Griffin Imaging and Diagnostics Center at Ivy Brook

Jose Restrepo Dr. Restrepo joined Hospital of Saint Raphael as a body imaging attending radiologist in November 2007. He received his M.D. from Pontificie Universidad Javeriana, in Bogota, Colombia. He completed an internship and residency at the Hospital of Saint Raphael, serving as chief resident in his last year followed by a musculoskeletal radiology fellowship at the University of Iowa Hospitals and Clinics. Most recently, Dr. Restrepo served as a staff radiologist for the Department of Veterans Affairs Medical Center in Miami, Florida.
Return To Top

Laura Sheiman, M.D.

Laura Sheiman, MD specializes in breast imaging and abdominal imaging. Dr. Sheiman received her Bachelor of Science degree from Cornell University and her medical degree from the University of Pennsylvania School of Medicine. After an internship in the internal medicine at the Hospital of Sain Raphael in Hew Haven, Connecticut, she competed a residency in Diagnostic Radiology at New Your Presbyterian Hospital/Weill Cornell Medical Center and Memorial Sloan Kettering Caner center. Following her residency training in diagnostic radiology, Dr. Sheiman completed a subspecialty fellowship in Breast and Body Imaging at New York Presbyterian Hospital/Weill Cornall Medical Center, serving as chief fellow and an instruct at Weill Cornall Medical College. She is Board Certified in Diagnostic Radiology by the American Board of Radiology. She maintains professional memberships in the Society of Breast Imaging, Radiological Association of North America, American College of Radiology and the American Association of Women Radiologists. Dr. Sheiman’s clinical expertise includes all aspects of breast imaging, including screening and diagnostic mammography, breast ultrasound, breast MRI, and image guided breast procedures.
Return To Top

Amy H. Sherman, M.D.

Amy H. Sherman An attending radiologist since 1994, Dr. Sherman is a former Saint Raphael chief radiology resident. She earned a B.S. from Harvard- Radcliffe University and an M.D. from Hahnemann Univerity, school of Medicine, (now part of Drexel University). She performed a surgical internship and was a second year surgical resident at Beth Israel Hospital in Boston prior to changing her area of interest to Radiology. Dr. Sherman had additional clinical experience working in the Emergency Room at Beth Israel Hospital for 2 years. Dr. Sherman completed the Diagnostic Radiology Residency and went on to do the Cross Sectional Imaging fellowship at St. Raphael Hospital. Since joining New Haven Radiology as an attending Radiologist, Dr. Sherman has spent much of her time working in the Mammography section. Her interests include all aspects of Breast Imaging including cross sectional imaging with Ultrasound, MRI, CT and Nuclear Imaging. Dr. Sherman also has significant experience and interest in biopsy procedures.
Return To Top

Lawrence Saperstein, M.D.: Section Chief, Department of Nuclear Medicine

Lawrence Saperstein Dr. Saperstein joined Saint Raphael as an attending radiologist in nuclear imaging in 2007. After graduating from Duke University cum laude with a B.S., he received his M.D. from Duke University School of Medicine. Dr. Saperstein did an internship in general surgery at Stanford University Medical Center, after which he did a residency in diagnostic radiology at Columbia-Presbyterian Medical Center, where he then served as chief resident. He subsequently completed a fellowship in nuclear medicine and PET imaging. Prior to joining Saint Raphael, Dr. Saperstein was an attending radiologist and director, Division of Nuclear Medicine at Englewood Hospital and Medical Center in Englewood, N.J.
Return To Top

Douglas D. Silin, M.D.: Medical Director of Griffin Hospital

Douglas D. SilinDr. Silin is an interventional radiologist who came to Saint Raphael in August 2005. Prior to that, he was director of Interventional Radiology at Ball Memorial Hospital in Muncie, IN., where he was in practice for nine years. He has an A.B. from Dartmouth College and an M.D. from Boston University. Dr. Silin completed an internship in internal medicine at Sinai Hospital of Baltimore, residency at Saint Vincent's Hospital in Worcester, MA., and a Fellowship at Yale. Dr. Silin is currently Chief of Radiology at Griffin Hospital.
Return To Top

Robert R. Sprague, MD

Robert R. SpragueDr. Sprague joined New Haven Radiology as an attending radiologist in July 2010. He has a B.A. from the University of Notre Dame where he graduated with honors. He earned his M.D. at the Loyola Stritch School of Medicine in Maywood, Illinois. He completed his transitional year and diagnostic radiology residency at the Hospital of Saint Raphael where he also served as chief resident. He joins the department after completing a body imaging fellowship at Yale New Haven Hospital. Dr. Sprague has a special interest in gastrointestinal and genitourinary radiology; specifically hepaticobiliary, pancreatic, and urologic imaging. He currently resides in Hamden with his wife, Maura, and his young son, Owen.
Return To Top

Neil W. Tishkoff, M.D.: Section Chief, Department of Neuroradiology

Neil W. TishkoffAn attending Saint Raphael radiologist since 1999, Dr. Tishkoff earned a B.S. cum laude from Syracuse University and an M.D. from State University of New York at Stony Brook School of Medicine. He performed a primary care internal medicine internship at the University of Rochester, a radiology residency at University of Pittsburgh and a neuroradiology fellowship at the University of Pittsburgh. He is an assistant clinical professor at Yale University School of Medicine.
Return To Top

Fredrik Zetterberg, M.D.: Medical Director of Ultrasound Services

Fredrik Zetterberg Dr. Zetterberg is Saint Raphael director of cross-sectional imaging and abdominal ultrasound section chief. He has an M.D. from Saint Thomas' Hospital Medical School, London University, followed by an internship at Saint Mary's General Hospital and a junior residency at London's Greenwich District Hospital. He performed his diagnostic residency and chief residency at Saint Raphael, as well as an ultrasound fellowship.
Return To Top

William Zucconi, D.O.

William ZucconiDr. Zucconi joined Hospital of Saint Raphael as an attending neuroradiologist in the Department of Radiology in July 2007. After receiving his B.A. degree from the State University of New York at Geneseo, Dr. Zucconi completed his D.O. at the New York College of Osteopathic Medicine where he also completed an anatomy fellowship. He then did a transitional year internship at New York Hospital Queens, followed by a residency in diagnostic radiology at the State University of New York at Stony Brook where he also served as Chief Resident. He subsequently completed a neuroradiology fellowship at the Mount Sinai Medical Center in NY and has taken on the role as Assistant Clinical Professor of Radiology at Yale University School of Medicine.
Return To Top

Emeritus Status Radiologists

Vicente Caride, M.D.

Dr. Caride is an emeritus member of the Radiology Department and lecturer in Nuclear Medicine. He is a former research fellow and associate professor of Radiology at Yale New Haven Hospital and directed the Division of Nuclear Medicine at the Hospital of Saint Raphael between 1980 and 2007.
Return To Top

Gerald Fishbone, M.D.

Dr. Fishbone has been a Saint Raphael attending radiologist since 1972. He completed a diagnostic radiology residency at Yale and was staff radiologist at Yale-New Haven Hospital prior to joining the Hospital of Saint Raphael. He is a renowned lecturer in pediatrics and cardiac radiology and is presently an emeritus professor of the department.
Return To Top

New Haven Radiology