Colitis Expert Witnesses

Palo Alto, California

Gastroenterology, Internal Medicine - Colonoscopy, intellectual property, gastrointestinal bleeding, Ulcer, Constipation, Diarrhea, PEG tube, Clostridium difficile, fecal microbiota transplant, EGD, colitis, gastrointestinal bleeding, brain-gut interaction, posttraumatic abdominal symptoms, Endoscopy, irritable bowel syndrome, IBD

I direct the general gastroenterology group of physicians as an assistant clinical professor at Stanford University, and I have a full-time clinical practice in gastroenterology. Additionally, I teach medical students, residents, fellows, and other gastroenterologists. I have performed thousands of endoscopic procedures. In addition to teaching, clinical, and leadership work, I am a Biodesign Faculty Fellow at Stanford University and have experience with medical innovation and several patents. I completed my fellowship and master's degree at Cedars Sinai Medical Center, residency at Tufts University, and medical school at Dartmouth College. I completed formal expert witness training with SEAK.

Los Angeles, California

Gastroenterology - Inflammatory bowel disease, Crohn’s disease, ulcerative colitis, colonoscopy complications, biologic therapy complication, gastrointestinal bleeding, Expert Witness, colitis, diagnostic delay, medical record review, medication adverse effects, immunosuppressive therapy complications, standard of care, causation analysis, IBD

Dr. Mark Salem is a board-certified gastroenterologist and practicing academic physician specializing in inflammatory bowel disease and complex gastrointestinal disorders. He is experienced in medical record review, clinical case analysis, and synthesis of expert medical opinions. Clinical expertise includes Crohn’s disease, ulcerative colitis, colonoscopy complications, gastrointestinal bleeding, and medication-related adverse events. He is available for consultation, deposition, and trial testimony. Provides expert medical record review, independent medical examinations, and expert opinions regarding diagnosis, treatment, standard of care, and complications of gastrointestinal disease. Areas of expertise include: -Inflammatory bowel disease (Crohn’s disease and ulcerative colitis) -Colonoscopy and endoscopy complications -post-procedural adverse events -Gastrointestinal bleeding -Post-procedure bleeding -Medication-related gastrointestinal injury -Diagnostic delay in gastrointes...

Florida

Gastroenterology, Internal Medicine - Gastroenterology, gastrointestinal endoscopy, internal medicine, colonoscopy, colorectal, esophagus, gallbladder, intestines, pancreas, colon cancer, GERD, colitis, perforations, ischemic bowel, GI bleeding, inflammatory bowel disease, Crohn’s, mesenteric ischemia, IBD, Reflux

Board-Certified Gastroenterologist and Gastrointestinal Endoscopy specialist, Columbia and Cornell trained clinician, with an active Internal Medicine/Gastroenterology practice for the past 30+ years, on staff at New York Presbyterian Hospital and Weill Cornell College of Medicine. Experienced as a medico-legal consultant and expert witness for both plaintiff and defense.

New York, New York

Gastroenterology, Internal Medicine - Gastroenterology, gastrointestinal endoscopy, internal medicine, colonoscopy, colorectal, esophagus, gallbladder, intestines, pancreas, colon cancer, GERD, colitis, perforations, ischemic bowel, GI bleeding, inflammatory bowel disease, Crohn’s, mesenteric ischemia, IBD, Reflux

Board-Certified Gastroenterologist and Gastrointestinal Endoscopy specialist, Columbia and Cornell trained clinician, with an active Internal Medicine/Gastroenterology practice for the past 30+ years, on staff at New York Presbyterian Hospital and Weill Cornell College of Medicine. Experienced as a medico-legal consultant and expert witness for both plaintiff and defense.

Rochester, New York

Pathology - Gastrointestinal, GI, Liver, Pancreas, Biliary, Frozen section, colon, stomach, intestine, bowel, biopsy, IBD, inflammatory bowel disease, rectum, anus, dysplasia, hepatitis, pancreas, colitis

Associate Director of Surgical Pathology (2025-present) and Director of Gastrointestinal Pathology (2021-present) at the University of Rochester Medical Center. Fellowship trained and clinically active in Gastrointestinal, Liver, and Pancreas pathology, and also clinically practice frozen section diagnosis and cardiac pathology. I have published peer-reviewed articles on a variety of topics in gastrointestinal and liver pathology including pancreatic adenocarcinoma, liver biopsy diagnosis, esophagitis, and colitis. I also have presented and moderated educational and research sessions on GI, liver, and general surgical pathology at national conferences including the United States and Canadian Academy of Pathology (USCAP) Annual Meeting and American Society for Clinical Pathology (ASCP).

Hicksville , New York

Gastroenterology, Hepatology - Gastrointestinal bleeding, Colon cancer, Crohn's disease, Colitis, Acid Reflux, Colonoscopy, Gastrointestinal Endoscopy, Hepatitis, Ulcers, Polyps, Diverticulitis with perforation/ abscess, Diverticulosis

Santa R. Nandi MD is a Diplomate of the American Board of Internal Medicine, board certified in the subspecialty of Gastroenterology. She completed her training at LIJMC, the Long Island Campus for The Albert Einstein School of Medicine, NY. Her subspecialty practice of Gastroenterology and Liver diseases is based in New York. She has over 30 years of experience in her subspecialty. She has also been actively involved in performing expert witness reviews in Gastroenterology since 2020, even while she continues to practice clinical Gastroenterology and gastrointestinal endoscopic procedures on a regular basis. She uses her extensive knowledge and clinical experience to meet the highest standards of care for all her patients while, at the same time, using her expertise to work closely with multiple legal experts both within and outside of New York. She is an extremely well spoken physician. She delivers precise expert reviews and reports on medico-legal cases, meeting time deadlines ...

Glenside, Pennsylvania

Gastroenterology - Esophageal diseases, Stomach cancer, Barrett’s esophagus, Pancreatic diseases, Gastroesophageal reflux disease, Motility disorders, Endoscopy, Constipation, Esophageal dilation, Diverticulitis, Colonoscopy, Colitis, Inflammatory bowel disease, Liver disease, Colon cancer, Gallstones, Esophageal cancer, Colon polyps, Achalasia, Peptic u

With over 15 years of clinical experience, I bring expertise in gastrointestinal disorders, endoscopy, and colorectal cancer prevention to Zavala MedExpert Consulting. As a board-certified gastroenterologist, I provide impartial, evidence-based medical-legal reviews, leveraging my background in quality assurance and patient safety. My mission is to deliver clarity and professionalism in every case, ensuring adherence to clinical standards while contributing a diverse and balanced perspective to the team. At Zavala MedExpert Consulting, I perform comprehensive case reviews and provide expert witness services, drawing from my extensive experience in QAPI leadership and governance. My work involves monitoring clinical outcomes, ensuring compliance with accreditation standards, and delivering clear communication in depositions and testimonies. Additionally, my focus on esophageal disorders and endoscopic procedures enhances my ability to support both plaintiffs and defendants in comp...

San Antonio, Texas

Pediatric Gastroenterology, Obesity - General Pediatrics, Consumer Product Injury, Virtual, Children with Medical Complexity, Hepatology, Surgery, Malnutrition, Child abuse, Feeding tubes, inflammatory bowel disease, formulas, POTS [postural orthostatic tachycardia syndrome], dysautonomia, gastro, intestine / intestinal, abdomen, colitis, obesity, informatics, billing

I’m a quadruple board certified: Pediatric Gastroenterologist Hepatologist, General Pediatrician, Obesity Medicine specialist, and Clinical Informatics physician with advanced research skills and extensive utilization and peer to peer review experience. I am an associate professor of pediatrics and associate professor of military medicine through the Uniformed Services University, University of Texas, and Texas A&M. I have nearly 50 peer reviewed, published articles. See: https://pubmed.ncbi.nlm.nih.gov/?term=patrick+t+reeves My specific research focuses are: 1.) Describing the negative impacts of consumer product injuries- like button batteries, high powered magnets [Buckyballs] and water beads [Orbeez]- on child health 2.) Development of point-of-care tools to be used at home by families managing children with medical complexity