PET/CT
MRI
CT Scan
Coronary CT Angio
Ultrasonography
X-Ray/Fluoroscopy
Nuclear Medicine
Bone Density
Dental Imaging

Physicians

The physicians in our group are all certified by the American Board of Radiology and represent all areas of sub-specialty training, including MRI, CT, Ultrasound 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 Assistant Attending Radiologist since 1980.

Dr. Katz held an appointment for more than a decade as 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.

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 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 Associated 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.

Alison Bender Haimes, M.D.

Board Certified in 1986, Dr. Haimes is Assistant Attending Radiologist at The New York Hospital-Cornell Medical Center and serves as a Consultant to the Department of Radiology at The Hospital for Special Surgery. 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.

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 American, 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 Assistant Attending Radiologist at The New York Hospital-Cornell University Medical Center.

He completed a fellowship in Neuroradiology at New York 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.

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 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 text books 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.

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.

Clyde Hershan, M.D.

Board certified in 1980, Dr. Hershan is an Assistant clinical professor of Radiology at the New York Hospital Cornell Medical Center.

Dr. Hershan is a past president of The Radiological Society of New Jersey. He was previously Medical Director; Division of Radiology, Pascack Valley Hospital, Westwood, New Jersey.

Dr. Hershan received his MD from the Chicago Medical School and is a member of The Alpha Omega Alpha Honor Society. He was Chief Resident in Radiology and completed fellowships in CT and Ultrasound at The New York Hospital Cornell Medical Center.

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.

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 post graduate 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.

Gwen Harris , M.D.

Prior to joining East River Medical Imaging in September 2005, Dr. Harris served as Physician in Charge 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.

George Stassa, M.D. (Ret)

Dr. Stassa retired from practice in 2001. Certified by the American Board of Radiology in 1965, Dr. Stassa was a Clinical Associate Professor of Radiology at Cornell University Medical College where he had been affiliated since 1964, teaching Anatomy and Radiology. An Associate Attending Radiologist at The New York Hospital-Cornell Medical Center since 1971, he also has been a consultant to, and had staff appointments at Roosevelt Hospital and Lenox Hill Hospital.

Dr. Stassa has written on the subjects of radiology and fluoroscopy as well as lectured on dental scanning at the Greater New York Dental Meeting and at three of the area's major Schools of Dentistry. As a visiting professor at Beijing University and Peking Medical College (China), Hokkaido University (Japan), and the Implant Society of Taiwan, his lectures on dental imaging have been expanded to include the newly emerging simulated implant technology, a subject on which he conducts seminars at East River.

With an M.D. from Columbia University School of Physicians and Surgeons, Dr. Stassa completed his residency at Columbia-Presbyterian Hospital.