James B. Amberson, MD
Vice President and Senior Medical Director, Dianon Pathology
T (203) 926-7158
Dr Amberson is board certified in anatomic pathology and cytopathology. He received his medical degree from The Johns Hopkins University School of Medicine and completed residency training in pathology at the New York Hospital-Cornell University Medical Center. He was a cytopathology fellow under Leopold Koss, MD, at Montefiore Medical Center, Bronx, NY. He also holds an MBA from Columbia University. Dr Amberson was an assistant professor of pathology at the Cornell University School of Medicine from 1983 to 1989, after which time he became Dianon’s medical director. His area of expertise is uropathology, and he has authored articles about general pathology, urology, flow cytometry, and image cytometry that have been published in various medical and scientific journals.
Arundhati Chatterjee, MD
Subspecialty Medical Director of Uropathology, Dianon Pathology-NC
Research Triangle Park, North Carolina
T (919) 361-7734
Dr Chatterjee is board certified in anatomic and clinical pathology and cytopathology. She received her medical degree from the University of Calcutta, India, and completed her pathology residency and a fellowship in anatomic pathology at the University of Ottawa, Canada. Dr Chatterjee’s experience includes serving as pathologist and chief of clinical pathology at Womack Army Medical Center, Fort Bragg, NC, during which time she developed a special interest in uropathology and worked closely with the Armed Forces Institute of Pathology. Dr Chatterjee has extensive diagnostic experience in uropathology and urine cytology.
Peter Ramos, MD
Medical Director, DIANON Pathology-OK
Oklahoma City, Oklahoma
T (405) 290-4339
Dr Ramos is board certified in anatomic and clinical pathology. He received his medical degree from the Medical Sciences Campus of the University of Puerto Rico. He completed a pathology residency at the Hospital of the State University of New York at Stony Brook. He was a fellow in surgical pathology at the University of Minnesota and a fellow in oncologic pathology at Fox Chase Cancer Center in Philadelphia. Prior to joining Dianon, Dr Ramos was a staff pathologist at Mennonite General Hospital in Puerto Rico.
Edward Poole, MD
Associate Director of Uropathology, Dianon Pathology-OK
Oklahoma City, Oklahoma
T (405) 290-4000 x4338
Dr Poole is board certified in anatomic and clinical pathology. After graduating from the University of Kansas Medical School, Dr Poole was a surgical intern at Sinai Hospital of Baltimore. He then returned to the University of Kansas as a surgical resident and subsequently transferred to pathology. Dr Poole completed both a residency and fellowship in surgical pathology and cytology. He joined the UroCor division of Dianon Pathology in the fall of 1994. He has seen more than 120,000 prostate biopsies and has contributed to articles regarding suspicious focus on prostate needle biopsy and twelve-core needle biopsy sampling. He is a member of the United States and Canadian Academy of Pathology and the College of American Pathologists.
Ninrong X. Giebisch, MD, PhD
T (203) 926-7117
Dr Giebisch is board certified in anatomic pathology and cytopathology. She received her medical degree from Peking Union Medical College, Beijing, China, and her doctorate in neuroscience from Cornell University Graduate School of Medical Sciences–Memorial Sloan-Kettering Cancer Center. She completed her residency training at Yale-New Haven Hospital and a cytopathology fellowship at Montefiore Medical Center Hospital, Albert Einstein College of Medicine. Afterward, Dr Giebisch worked as an attending pathologist at Yale-New Haven Hospital. Before joining Dianon Pathology, Dr Giebisch was an assistant professor of pathology at the University of Connecticut Health Center.
Xiao-Cong Peng, MD, PhD
Oklahoma City, Oklahoma
T (405) 290-4000 x4337
Dr Peng is board certified in anatomic and clinical pathology. He completed his training in anatomic and clinical pathology at New York University Medical Center. He extended his stay at NYU Medical Center for a surgical pathology fellowship. He moved to Oklahoma City in October of 1999 after a year of practicing general surgical pathology and cytopathology in a private lab in New York City. Dr Peng also holds a doctorate in toxicology from Massachusetts Institute of Technology. He has research experience in analytical chemistry and molecular biology.
Wei Zhang, MD
Dr Zhang is board certified in anatomic and clinical pathology and in cytopathology. He received his medical degree from Shanghai Medical University in the People’s Republic of China. He completed residency training at Shanghai Medical University–Zhongshan Hospital and the University of Maryland Hospital System. He did a fellowship in cytopathology at the Hospital of the University of Pennsylvania. Dr Zhang is a member of the American Society of Clinical Pathologists.
Jonathan I. Epstein, MD
Professor of Pathology, Urology, and Oncology, The Johns Hopkins University School of Medicine
Dr Epstein is an internationally recognized authority in uropathology. He has authored more than 700 articles, 4 books, and 22 book chapters in the field. Dr Epstein graduated from Boston University School of Medicine. He trained in anatomic pathology at Johns Hopkins where he was chief resident and completed a fellowship in oncologic pathology at Memorial Sloan Kettering Cancer Center in New York.