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Our Radiologists

Each of the physicians at East River Medical Imaging is certified by the American Board of Radiology. Together, they represent all areas of sub-specialty medical imaging, including cross-sectional, musculoskeletal, oncologic and neuroradiology.

Each physician is devoted to teaching and maintains faculty and clinical appointments at The New York Hospital - Cornell University Medical Center, Hospital for Special Surgery, and Lenox Hill Hospital.

Richard Katz, M.D.

Board Certified in 1976, Dr. Katz is an Assistant Clinical Professor of Radiology at Cornell University Medical College. Prior to assuming that position, he completed a clinical fellowship in CT and Ultrasound at The New York Hospital-Cornell Medical Center where he has served as an Assistant Attending Radiologist since 1980.

Dr. Katz held an appointment for more than a decade as an Assistant Roentgenologist at Memorial Sloan-Kettering Cancer Center. He has written and co-authored articles on MRI, CT and Ultrasound imaging. In addition, he has presented papers at meetings of the Radiological Society of North America and the American College of Radiology.

Dr. Katz received his M.D. from the University of Oklahoma. He completed his medical internship at North Shore Hospital / Memorial Sloan-Kettering Cancer Center prior to entering his residency in Diagnostic Radiology at The New York Hospital-Cornell Medical Center, where he was Chief Resident in Radiology.

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Morton Schneider, M.D.

Dr. Schneider was certified by the American Board of Radiology in 1974. He is an Assistant Clinical Professor of Radiology at the New York Hospital-Cornell University Medical Center. In addition, he is a consulting radiologist at Lenox Hill Hospital and in Diagnostic Ultrasound at Brooklyn Hospital.

As an Associate Attending Radiologist at The New York Hospital-Cornell Medical Center, he previously held positions as Director of Uroradiology and Associate Director of Ultrasound and Body CT. He also was Director of Diagnostic Ultrasound at Downstate Medical Center - SUNY and Attending Radiologist at Kings County Hospital. In addition, Dr. Schneider held an academic appointment as Associate Professor of Clinical Radiology at Downstate Medical Center-SUNY. During his 14 years in academia, he lectured throughout the country on body imaging and ultrasound.

Dr. Schneider has been an examiner in Ultrasound and Body CT for the American Board of Radiology. He has co-authored a book on Pediatric Ultrasound, chapters on MRI and body imaging in several textbooks, and more than thirty articles on diagnostic radiology.

Dr. Schneider received his M.D., and was a resident at Downstate Medical Center-SUNY where he was Chief Resident of Diagnostic Radiology.

Steven Albert, M.D.

Certified by the American Board of Radiology in 1985, Dr. Albert has served as Assistant Attending Radiologist at The New York Hospital-Cornell University Medical Center since 1986. He completed his fellowship in MRI, CT, and Ultrasound at Yale University - New Haven Hospital.

Dr. Albert has written chapters in orthopedic textbooks and lectured on imaging techniques in sports medicine. His earlier research and publications were in the field of ischemia and fluid management at Cornell University Medical College's Department of Surgery.

A member of Phi Beta Kappa and Alpha Omega Alpha, as well as a Summa Cum Laude graduate, he received his M.D. from the Medical College of Virginia. He completed a surgical internship and radiology residency at The New York Hospital-Cornell Medical Center, serving as Chief Resident in his final year.

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Alison Bender Haimes, M.D.

Board-certified in 1986, Dr. Haimes is Clinical Assistant Professor of Radiology at the Weill-Cornell Medical College and Assistant Attending in Radiology at the New York Presbyterian Hospital. Dr. Haimes previously served as a Consultant to the Department of Radiology at Memorial Sloan-Kettering Cancer Center, where she held the position of Assistant Attending Radiologist and as a Consultant to the Department of Radiology at The Hospital for Special Surgery.

She completed fellowships in CT/Ultrasound and Neuroradiology at The New York Hospital-Cornell Medical Center and received her Certificate of Added Qualification in Neuroradiology in 1995.

A co-author of many articles in professional journals, Dr. Haimes has made presentations before the American Society of Neuroradiology and the Radiological Society of North America, as well as several invited lectures.

A member of Phi Beta Kappa and Alpha Omega Alpha Honor Societies, Dr. Haimes received her M.D. from the University of Pennsylvania and was a resident in Radiology at The New York Hospital-Cornell Medical Center, where she was Chief Resident in her final year.

Stephen Greenberg, M.D.

Certified by the American Board of Radiology in 1995, Dr. Greenberg served as Clinical Associate Professor of Radiology at New York University School of Medicine before joining East River Medical Imaging in July of 1997. Dr. Greenberg received a Certificate of Added Qualification in Neuroradiology by the American Board of Radiology in 1997 and serves as an Assistant Attending Radiologist at The New York Hospital-Cornell University Medical Center.

Dr. Greenberg has written and co-authored articles in several professional journals. He has presented original research at meetings of the Radiological Society of North America and has given both lectures and workshops in Neuroradiology. A Summa Cum Laude graduate, he received his M.D. from New York University School of Medicine. He completed a medical internship at North Shore University Hospital and radiology residency at St. Luke’s-Roosevelt Hospital Center, where he was Chief Resident in his final year.

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Douglas DeCorato, M.D.

Certified by the American Board of Radiology in 1995, Dr. DeCorato completed his fellowship in Magnetic Resonance Imaging at the New York University School of Medicine in 1996. He is a graduate of SUNY Health Science Center at Brooklyn and performed his residency at St. Luke’s-Roosevelt Hospital Center, where he was Chief Resident in his final year.

Dr. DeCorato has been the director of Body MRI at both the Phillips Ambulatory Care Center of the Beth Israel Medical Center and of Beth Israel Hospital North. He is a member of several Scientific and Medical Societies. He is currently the Alternate Delegate to the New York State Radiologic Society. He has written and co-authored numerous articles and presentations on MRI and MRA. In addition, he has authored several chapters in medical textbooks and currently serves as Assistant Attending Radiologist at The New York Hospital-Cornell University Medical Center.

Gavin Duke, M.D.

Certified by the American Board of Radiology in 2000, Dr. Duke is an Assistant Professor of Radiology at New York Presbyterian Hospital.

Dr. Duke received his residency training at New York Presbyterian Hospital and Memorial Sloan Kettering Cancer Center and served as Chief Resident. He completed his body MRI fellowship at New York University Medical Center and served as Clinical Assistant Professor of Radiology. He served as Assistant Attending at Bellevue Hospital and part time Attending at NYU Downtown Hospital.

Dr. Duke graduated from the University of Cape Town Medical School in South Africa. He served as a Medical Officer in various medical disciplines in both South Africa and the United Kingdom prior to starting his residency training in the United States. He has co-authored several radiology and surgery journal articles and abstracts.

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Barbara Braffman, M.D.

A graduate of Albert Einstein College of Medicine in 1984, Dr. Braffman completed her residency in Diagnostic Radiology at Mount Sinai Medical Center, where she served as Chief Resident. On completing her residency in 1989, Dr. Braffman was certified by the American Board Of Radiology and pursued a fellowship in body imaging at the Hospital of the University of Pennsylvania.

Combining her skills in body imaging and experience in breast imaging acquired in both academic and private practice, Dr. Braffman has developed an expertise in the area of Women's Imaging.

Her achievements include yearly college awards for academic excellence, Phi Beta Kappa and the Alpha Omega Alpha Honor Medical Society Award.

Dr. Braffman has presented numerous original papers, abstracts and lectures. In addition to other topics, Dr. Braffman has lectured on image-directed breast biopsy with pathologic correlation, the abnormal mammogram, mammographic features of breast cancer and sonography in ectopic pregnancy.

Paul Choi, M.D.

Certified by the American Board of Radiology in 2004, Dr. Choi specializes in the field of Neuroradiology and Head & Neck Radiology. He completed his fellowship at Mount Sinai Medical Center. He serves as Assistant Professor of Radiology at New York Presbyterian Hospital.

Dr. Choi completed his residency training at Mount Sinai Medical Center, where he served as Chief Resident during his final year. Dr. Choi has participated in several neuroradiology lectures and presented at the American Society of Neuroradiology. He is a member of the American Society of Neuroradiology as well as the American College of Radiology.

Dr. Choi graduated and received his M.D. from SUNY Downstate School of Medicine. He completed his internship at Winthrop University Hospital.

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Sean Herman, M.D.

Certified by the American Board of Radiology in 2004, Dr. Herman completed his fellowship in Cross-Sectional Imaging at Yale-New Haven Hospital. He joined our practice after spending time as Attending Clinical Radiologist at Yale Diagnostic Radiology.

Dr. Herman received his residency training at Yale-New Haven Hospital, where he served as Chief Resident of Diagnostic Radiology. Prior to his residency training, Dr. Herman completed his internship at Lenox Hill Hospital.

Dr. Herman graduated from New York University School of Medicine. He has written and co-authored many radiology articles.

Robert Ludwig, M.D.

Dr. Ludwig was certified by the American Board of Radiology in 1985. He completed his fellowship in CT/Ultrasound/Interventional Radiology at the New England Deaconess Hospital-Harvard Medical School in Boston, MA.

Prior to completing his diagnostic radiology residency at New York Hospital-Cornell Medical Center, Dr. Ludwig spent his first postgraduate year at Lenox Hill Hospital. Before joining our practice, Dr. Ludwig served as Chief of Diagnostic Radiology at Northern Westchester Hospital, where he was also a member of the hospital Medical Board. During this time, he also served as Medical Director at the hospital-affiliated multi-modality outpatient imaging center.

Dr. Ludwig received his M.D. from Columbia University College of Physicians and Surgeons. In addition to his special interest in body CT and musculoskeletal imaging, Dr. Ludwig has extensive experience with breast MRI interpretation.

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Gwen Harris, M.D.

Prior to joining East River Medical Imaging in September 2005, Dr. Harris served as Physician in Charge of Body MRI at North Shore University Hospital since July 1992. She has also held academic appointments at Cornell University Medical College and New York University School of Medicine. Dr. Harris has participated in writing several articles as well as a book chapter on body MRI.

Dr. Harris was certified by the American Board of Radiology in 1991. She completed her fellowship in Ultrasound, Computed Body Tomography, and Magnetic Resonance Imaging at the University of Pennsylvania. Dr. Harris fulfilled her residency training at North Shore University Hospital for diagnostic radiology after finishing her medical internship at Bryn Mawr Hospital. Dr. Harris received her M.D. from the University of Pennsylvania.

Timothy Deyer, M.D.

Certified by the American Board of Radiology in 2006, Dr. Deyer completed fellowships in interventional radiology at St. Luke’s-Roosevelt Medical Center and in Musculoskeletal Radiology at the Hospital for Special Surgery.

Dr. Deyer had written and co-authored articles in several professional journals. Most recently, Dr. Deyer was an Attending Radiologist at Englewood Medical Center.

A member of the Alpha Omega Alpha Honor Society, Dr. Deyer received his M.D., M.S.E. Biomedical Engineering, and B.S.E. in Mechanical Engineering from the University of Michigan. He was a radiology resident at the Mount Sinai Medical Center, where he was Chief Resident in his final year.

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