Sean E. Farrier, MD
Medical Director, LabCorp/Dianon Pathology-FL
T (813) 289-5227 x5384
Dr Farrier is board certified in anatomic pathology and clinical pathology. He received his medical degree and completed a residency at the University of South Florida College of Medicine in Tampa. Dr Farrier has special interests in molecular biology and gastrointestinal pathology. He is a member of the College of American Pathologists and the American Society of Clinical Pathologists. Upon completion of his residency in 1998, Dr Farrier joined Dianon Pathology, and he has practiced gastrointestinal pathology since that time. He was named medical director for Dianon Pathology in Tampa, Florida in 2001, and he was named divisional medical director of LabCorp/Dianon Pathology in 2008.
Adam Carter, DO
T (203) 926-7463
Dr Carter is board certified in anatomic and clinical pathology. He is a graduate of the University of New England College of Osteopathic Medicine. He joined Dianon in July 2006 after completing a fellowship in gastrointestinal pathology preceded by a combined anatomic and clinical pathology residency at Brown University, Rhode Island Hospital.
Kiat Y. Chan, MD
Los Angeles, California
T (310) 689-0617
Dr. Chan is board certified in anatomic and clinical pathology. He earned his medical degree at Fatima University College of Medicine in Venezuela, Metro Manila, the Philippines. He completed residency training in anatomic and clinical pathology at University of South Florida in Tampa where he also completed a semi-fellowship in surgical oncology and advanced anatomic pathology and clinical pathology rotations. He received fellowship training in surgical pathology at the State University of New York Downstate Medical Center, Brooklyn, NY, and in gastrointestinal and liver pathology at Cedars Sinai Medical Center, Los Angeles. Dr. Chan is a member of the College of American Pathologists, the American Society for Clinical Pathology, the United States and Canadian Academy of Pathology, the New York Pathological Society, and the Los Angeles Society of Pathologists.
Wenjiang Chu, MD, PhD
Los Angeles, California
T (310) 689-0619
Dr. Chu is board certified in anatomic and clinical pathology. He received his medical degree from the Beijing Medical University, Beijing, China. Dr. Chu received his doctoral degree and completed general pathology residency training at the University of Kansas Medical Center, Kansas City. He completed a GI and liver pathology fellowship at the University of Washington Medical Center’s Rodger C. Haggitt Gastroenterologic and Hepatic Pathology Service in Seattle. Dr. Chu is the author of a number of manuscripts and abstracts on gastrointestinal and liver pathology.
Emma E. Díaz, MD
T (813) 289-5227 x5384
Dr Díaz is board certified in anatomic pathology. After earning her medical degree at the University of Puerto Rico Medical School, Dr Díaz completed a residency at the Emory University Affiliated Hospitals in Atlanta, Ga, and went on to complete a fellowship in gastrointestinal and liver pathology. Dr Díaz was the specialty director for gastrointestinal pathology at Dianon Pathology in Florida from 1999 until 2007. She is a member of both the College of American Pathologists and the American Society of Clinical Pathologists. Dr Díaz has authored numerous articles on gastrointestinal pathology.
Fatima Eslami-Varzaneh, MD
T (203) 926-7183
Dr Eslami-Varzaneh is board certified in anatomic pathology. She received her medical degree from the University of Perugia in Italy. She had her residency training at Washington Hospital Center in Washington, DC. She completed a fellowship in gastrointestinal pathology at Yale University and a fellowship in surgical pathology at Hartford Hospital in Connecticut. Dr Eslami-Varzaneh joined Dianon in July 2004.
Lixia Liu, MD, PhD
Research Triangle Park, North Carolina
T (919) 361-7700 x3325
Dr Liu is board certified in anatomic and clinical pathology. She received her medical degree from Neimenggu (Inner Mongolia) Medical College and was appointed as an assistant professor at Peking Union Medical College in China. She earned her PhD from the University of Louisville School of Medicine in Kentucky. Dr Liu completed residency training in anatomic and clinical pathology at the University of Wisconsin and the University of Louisville. She then completed a fellowship in gastrointestinal and liver pathology at the M.D. Anderson Cancer Center in Houston, Texas. Her clinical interests are gastrointestinal pathology, immunohistochemistry, and molecular oncology. Dr Liu has extensive research experience in areas including molecular biology and pharmacology. She also has a number of publications in peer-reviewed journals and has presented frequently in national academic meetings. Her recent clinical research in esophageal carcinoma and neuroendocrine tumors has resulted in publications in the American Journal of Surgical Pathology and Modern Pathology.
Xiaoling Charlene Ma, MD, PhD
T (813) 289-5227 x5360
Dr Ma is board certified in anatomic and clinical pathology and has extensive experience in gastrointestinal pathology and hematopathology. She received her medical degrees from Southeast University Medical College and Nanjing Medical University. Dr Ma earned her PhD in medical sciences and completed residency training at the University of South Florida College of Medicine in Tampa. She received her fellowship training in hematopathology at the University of Texas Health Sciences Center at San Antonio. She is a member of both the College of American Pathologists and the American Society of Clinical Pathologists. She has been in her current position since 2002.
Gary S. Tennyson, MD
T (203) 926-7143
Dr Tennyson is board certified in anatomic and clinical pathology. He received his doctorate in experimental pathology and his medical degree from the State University of New York in Stony Brook. Dr Tennyson completed his residency in anatomic and clinical pathology at the North Carolina Memorial Hospital in Chapel Hill and a fellowship in surgical and gastrointestinal pathology at the University of Pennsylvania. After a visiting fellowship in hepatopathology with Professor Peter Scheuer at the Royal Free Hospital in London, Dr Tennyson assumed positions as assistant professor and head of the liver pathology unit at the University of Alabama. He was then an associate professor and director of anatomic pathology at the University of Florida Medical Center in Jacksonville before joining the Mayo Clinic in Jacksonville. He has lectured and authored articles on in vitro drug testing for cancers, molecular diagnostics, inflammatory bowel disease, hepatitis, and liver transplantation.
Malavika Vidwans, MD
T (203) 926-7470
Dr. Vidwans is board certified in anatomic pathology and cytopathology. She received her medical degree from Seth G.S. Medical College in Bombay, India. She had her residency training at Yale University and completed a fellowship in cytopathology at Hartford Hospital in Connecticut. She joined DIANON in July 2005.
Lisa Jacobs Weinstein, MD
Research Triangle Park, North Carolina
T (800) 533-0567 x7752
Dr Weinstein is a diplomate of the American Board of Pathology in cytopathology and in anatomic and clinical pathology. She earned her medical degree at The Johns Hopkins School of Medicine and did her residency training in anatomic and clinical pathology at The Johns Hopkins Hospital and University of Kentucky Chandler Medical Center. Her areas of expertise and interest include surgical pathology (with particular interest in oral and otorhinolaryngic pathology), thyroid pathology, gastrointestinal pathology, and cytopathology (with an emphasis on fine needle aspiration performance and interpretation). Her research interests include translational investigation and the application of new technologies in the clinical arena and the laboratory to improve pathologic diagnoses.
Elizabeth A. Montgomery, MD
Professor of Pathology, The Johns Hopkins University School of Medicine
Dr Montgomery is a nationally renowned academic gastrointestinal pathologist. She graduated from the George Washington University School of Medicine. Dr Montgomery trained in anatomic and clinical pathology at the Walter Reed Army Medical Center. She subsequently held several academic appointments. Dr Montgomery has published numerous articles and several book chapters. She has additional experience in bone and soft tissue pathology.
Ali Riba, MD
Medical Director of Gastroenterology
Dr Riba is board certified in anatomic pathology. He received his medical degree from Tishreen University, Lattakia, Syria. Dr Riba completed his residency training at St. Barnabas Health Care System, New Jersey. He held the position, administrative chief resident, in the final year of training. He completed a surgical anatomy fellowship at Yale University. Dr Riba assumed a position of assistant professor at Yale University, CT. He then held the position of medical director at PLUS Diagnostics and Miraca Life Science Laboratories, during which he completed two years of gastrointestinal pathology fellowship. He then held a position of associate medical director at QDX Pathology Services. Dr Riba has 13+ years of experience as medical director in a complex, high volume laboratory setting. He has lectured and authored several articles on gastrointestinal and urological pathology. Dr Riba accepted the role of GI medical director position at Dianon, February 2020.
Jeremy Ditelberg, MD
T (203) 926-7127
Dr Ditelberg is board certified in Anatomic Pathology and Clinical Pathology. He earned his medical degree from the University of Massachusetts Medical School and completed his residency in anatomic pathology and clinical pathology at Harvard Medical School/Beth Israel Deaconess Medical Center. Following residency, he stayed at Beth Israel Deaconess to complete a fellowship in gastrointestinal pathology and surgical pathology under the supervision of Drs Harvey Goldman and Donald Antonioli. He is a Fellow of the American College of Gastroenterology, the College of American Pathologists and the American Society for Clinical Pathology. He recently completed a 6-year term on the American College of Gastroenterology Public Relations Committee. Dr Ditelberg has published numerous articles and abstracts on gastrointestinal pathology. Prior to joining Dianon Pathology, he was an Assistant Professor of Pathology at the Tufts University Medical School and was Director of Anatomic Pathology at a community hospital.