Dianon A LabCorp Company - Department of Gastrointestinal

Amer K. Abu Alfa, MD - Executive Medical Director, Gastrointestinal Pathology
Office location: Stratford, CT
Telephone: 203-381-4910

Dr Abu Alfa is board-certified in anatomic and clinical pathology. He is a graduate of the American University of Beirut Faculty of Medicine. Dr Abu Alfa completed his fellowship training in gastrointestinal and liver pathology at the Yale University School of Medicine and completed residency training in anatomic and clinical pathology at the University of Chicago Hospitals. Dr Abu Alfa has authored several research articles on gastrointestinal and endocrine pathology and on clinical chemistry. He is an active member of the American Gastroenterological Association, the Gastrointestinal Pathology Society, the United States and Canadian Academy of Pathology, the College of American Pathologists, and the American Society for Clinical Pathology.

Nada Alsaigh, MD - Co-Director, Gastrointestinal Pathology
Office location: Stratford, CT
Telephone: 203-380-4112

Dr Alsaigh is board-certified in anatomic pathology. She is a graduate of King Saud Medical School, Riyadh, Saudi Arabia, where she was first in her class. Dr Alsaigh trained in anatomic pathology at New England Deaconess Hospital, where she was chief resident, and went on to complete fellowships in both gastrointestinal pathology and hematopathology. Her research at Deaconess focused on lymphoid disorders of the gastrointestinal system.

Sean E. Farrier, MD - Medical Director, LabCorp/ DIANON-Florida
Office location: Tampa, FL
Telephone: 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. On completion of his residency in 1998, Dr Farrier joined DIANON Systems and has practiced gastrointestinal pathology since that time. In 2001 he was named medical director for DIANON Systems in Tampa, Fla, and in 2008 he was named divisional medical director of LabCorp/DIANON Systems.

Michael Fox, MD - Co-Medical Director of Gastrointestinal Pathology, DIANON-North Carolina
Office location: Research Triangle Park, NC
Telephone: 919-361-7253

Dr Fox is board-certified in anatomic and clinical pathology. He earned his medical degree from the University of South Alabama College of Medicine in Mobile. Dr Fox completed a residency at Baptist Memorial Hospital in Memphis, Tenn, which included rotations at St Jude Children’s Research Hospital. After residency, he worked for 12 years at LabCorp’s Memphis-area laboratory, serving there for 10 years as medical director. In 1996, Dr Fox joined DIANON Systems, where he was involved primarily in the gastrointestinal pathology service. After 8 years with DIANON, he transferred to DIANON-North Carolina as co-director of gastrointestinal pathology.

Joseph Ilasi, DO - Medical Director, Gastrointestinal Pathology, DIANON-New York
Office location: Uniondale, NY
Telephone: 516-794-4646, x3712

Dr Ilasi is board-certified in anatomic and clinical pathology. After graduating from the New York College of Osteopathic Medicine, he trained at North Shore University Hospital in Manhasset, NY, where he also completed a one-year fellowship in general surgical pathology. Before joining DIANON Systems, Dr Ilasi was a member of the attending staff at North Shore University Hospital and received extensive training and sign-out responsibilities in pathologic diseases of the breast.

Mohammad Kamal, MD – Medical Director, National Genetics Institute Pathology Services
Office location: Los Angeles, CA
Telephone: 310-689-4900, x4923

Dr Kamal is board certified in anatomic pathology. He received his medical degree from Cairo University School of Medicine, Cairo, Egypt. He completed pathology training at Harbor UCLA Medical Center in Torrance, Calif, and subspecialty training in the Klaus Lewin Gastrointestinal and Liver Pathology Fellowship Program at UCLA. He has research interests in the areas of gastrointestinal and liver pathology and medical device technology. His current research activity is in Barrett’s esophagus and associated dysplastic and neoplastic changes. Dr Kamal has lectured on various topics in gastrointestinal and liver pathology, including inflammatory bowel disease, fatty liver disease, improving the quality of gastrointestinal biopsies, and improving communication with clinicians.

Gregory V. Scott, MD, MBA – Subspecialty Director, Gastrointestinal Pathology
Office location: Tampa, FL
Telephone: 813-289-5227, x3332

Dr Scott is board-certified in anatomic and clinical pathology. He received his medical degree from the University of Florida College of Medicine and his masters of business administration from the University of Florida Warrington College of Business Administration. He completed his residency training in pathology and transfusion medicine at New York University Medical Center, New York City. Dr Scott holds medical licensure in Florida and Georgia. He is a fellow of the American College of Pathologists. He has coauthored numerous articles and abstracts in gastrointestinal pathology.

Kevin Basham, MD
Office location: Uniondale, NY
Telephone: 516-794-4646, x3721

Dr Basham is board-certified in anatomic and clinical pathology. He earned his medical degree at the University of Kansas, Kansas City, where he completed a residency in anatomic and clinical pathology. He then performed a fellowship in surgical pathology at North Shore University Hospital in Manhasset, NY. Prior to joining DIANON Systems, Dr Basham was an attending pathologist at North Shore University Hospital, where he was medical director of immunohistochemistry and autopsy service. Dr Basham has extensive experience in gastrointestinal and breast pathology.

Adam Carter, DO
Office location: Stratford, CT
Telephone: 203-380-4563

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.

Wenjiang Chu, MD, PhD
Office location: Los Angeles, CA
Telephone: 310-689-4900, x4992

Dr Chu is board-certified in anatomic and clinical pathology. He received his medical degree from the Beijing Medical University, Beijing, People’s Republic of 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.

Sun M. Chung, MD
Office location: Uniondale, NY
Telephone: 516-794-4646, x3867

Dr Chung is board-certified in anatomic and clinical pathology. She earned her medical degree at the University of Chicago Pritzker School of Medicine. She completed residency training in anatomic and clinical pathology at New York Presbyterian Hospital, Weill Medical College of Cornell University and fellowship in gastrointestinal pathology at Memorial Sloan-Kettering Cancer Center. Dr Chung is a member of the United States and Canadian Academy of Pathology and the College of American Pathology.

Emma E. Díaz, MD - Director, Gastrointestinal Pathology, DIANON-Florida
Office location: Tampa, FL
Telephone: 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 Systems 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 in gastrointestinal pathology.

Fatima Eslami-Varzaneh, MD
Office location: Stratford, CT
Telephone: 203-381-4183

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.

Lana Kleynerman, MD
Office location: Uniondale, NY
Telephone: 516-794-4646, x3710

Dr Kleynerman is board-certified in anatomic pathology. She received her medical degree from Riga’s Medical Institute in Latvia (former Soviet Union) and completed her training in surgical and clinical pathology, as well as cytology fellowship, at Lenox Hill Hospital in New York. Before joining DIANON Systems, Dr Kleynerman worked as an attending pathologist at the Long Island Jewish Medical Center, Flushing Hospital Medical Center, and Elmhurst Medical Center affiliated with New York’s Mount Sinai School of Medicine.

Stephen Lawhorn, MD
Office location: Stratford, CT
Telephone: 203-380-4581

Dr Lawhorn is board-certified in anatomic and clinical pathology. He completed his training at Loma Linda University School of Medicine and Tripler Army Medical Center, Honolulu. Dr Lawhorn joined DIANON Systems from Walter Reed Army Medical Center, where he was medical director of the histopathology section. He has a broad range of experience in surgical and cytologic pathology, as well as additional experience in immunology, flow cytometry, and hematopathology. For the past 5 years, Dr Lawhorn has devoted himself to gastrointestinal pathology.

Lixia Liu, MD, PhD
Office location: Research Triangle Park, NC
Telephone: 919-361-7700, x3325

Dr Liu is board-certified in anatomic and clinical pathology. She received her medical degree from the Inner Mongolia Medical College, Hohhot, People’s Republic of China, and holds a doctorate from the University of Louisville School of Medicine. Dr Liu completed residency training in anatomic and clinical pathology at the University of Wisconsin, Madison, and the University of Louisville. She then completed a fellowship in gastrointestinal pathology at the MD Anderson Cancer Center in Houston. 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 latest clinical research in GI pathology has resulted in publications in American Journal of Surgical Pathology and Modern Pathology.

Xiaoling Charlene Ma, MD, PhD
Office location: Tampa, FL
Telephone: 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.

Shannon J. McCall, MD
Office location: Research Triangle Park, NC
Telephone: 800-833-3933

Dr McCall is board-certified in anatomic and clinical pathology. She received her medical degree from the Duke University School of Medicine. She completed her pathology residency training, a clinical fellowship in gastrointestinal and hepatic pathology, and a post-doctoral research fellowship in hepatic pathology at the Duke University School of Medicine, where she co-authored several publications with Dr. Anna Mae Diehl on the subject of liver injury and repair. She was appointed assistant professor in the Department of Pathology at Duke University Medical Center and maintains an adjunct relationship with that department since joining DIANON in 2006. Her most recent research has been published in Laboratory Investigation and The Journal of Hepatology.

Shaoli Sun, MD
Office location: Stratford, CT
Telephone: 203-380-4148

Dr Sun is board-certified in anatomic and clinical pathology. She received her medical degree from Henan Medical University in China. Before joining DIANON Systems, Dr Sun trained in anatomic and clinical pathology at Mount Sinai School of Medicine in New York. She also received additional training under Dr Rodger C. Haggitt at the University of Washington in Seattle.

Gary S. Tennyson, MD, PhD
Office location: Stratford, CT
Telephone: 203-380-4143

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, 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
Office location: Stratford, CT
Telephone: 203-380-4570

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.

Yuhui Xu, MD, PhD
Office location: Stratford, CT
Telephone: 203-381-4066

Dr Xu is board-certified in anatomic pathology. He received his medical degree and PhD from Tongji Medical University in the People’s Republic of China. He had his residency training at Georgetown University Hospital in Washington, DC. Dr Xu completed two fellowships in gastrointestinal pathology at University of Southern California and at the Armed Forces Institute of Pathology in Washington, DC. He also completed fellowships in molecular biology and immunopathology at the University of Toronto, Canada, and at the National Institutes of Health in Bethesda, Md, respectively. Prior to joining DIANON in January 2007, Dr Xu was a staff pathologist at Pathology Associates in Dallas, Tx.

Consulting Pathologist
In addition to its staff pathologists, DIANON Systems utilizes the services of a consulting physician to review complex cases.

Elizabeth A. Montgomery, MD - Associate 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.