Constipation 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.

Westlake Village , California

Gastroenterology - GI, gastroesophageal reflux disease (GERD), diarrhea, constipation, colorectal cancer screening and surveillance, iron deficiency anemia, GI bleeding, gastrointestinal angiodysplasia (GIAD), Barrett's esophagus, colonoscopy, endoscopy, endomicroscopy, sedation complication, small bowel disease

Credentials: - Diplomate American Board of Internal Medicine, subspecialty in Gastroenterology Affiliations: - Health Sciences Clinical Professor, University California Riverside - Fellow of the American College of Gastroenterology - Assistant Clinical Associate professor of Public health, Loma Linda University school of Public Health - Assistant Professor, Department of Medicine, Loma Linda University- Medical Center Hospital Affiliations: - Loma Linda VA Healthcare System Dr. Christian Jackson is board-certified in Gastroenterology specializing in both general and complex gastrointestinal diseases with over 18 years of experience. His medical interests include the treatment of a wide array of gastrointestinal conditions including but not limited to gastroesophageal reflux disease (GERD), diarrhea, constipation, colorectal cancer screening and surveillance, iron deficiency anemia and gastrointestinal bleeding. Dr. Jackson is widely respected for his unique focus on gastroi...

Newark, Delaware

Gastroenterology, Internal Medicine - Endoscopy, Swallowing difficulties, Colonoscopy, GI bleeding, Ulcerative Colitis, Colon Cancer, GI Cancer diagnosis, colon cancer, Barrett's esophagus, Constipation, Acid Reflux, Diarrhea, Crohn's Disease, malabsorption, celiac disease

Over 15 years of various medico-legal experience including trial experience while in full time active practice of medicine. Board certified in GI and Internal Medicine. Excellent communication skills including scientific/medical issues explained in layman's terms. Careful, Insightful, Deliberate, Articulate Analysis. Timely performance. Keen attention to detail. Have JD degree acquired via 4 years of part time study while in med practice. Passed California Bar 2017 on first attempt. Member California bar. Meticulous attention to detail. Medical school teaching experience and also have taught medicine and physiology at local university. Publish GI newsletter for physicians. Voted a Top Doctor 14x by my physician peers.

Flowood, Mississippi

Pediatric Gastroenterology - Abdominal Endoscopy, Colonoscopy, Liver, Reflux, Gastritis, Intestine, Abdominal Pain, Liver Disease, Colon, Failure to Thrive, Vomiting, Small Intestine, Constipation, Diarrhea

Glenmont, New York

Pediatric Gastroenterology - upper endoscopy, colonoscopy, capsule endoscopy, Crohn Disease, ulcerative colitis, celiac disease, eosinophilic esophagitis, liver disease, hepatology, gallbladder disease, pancreatitis, motility disorders, constipation, diarrhea, food allergy, food intolerance, failure to thrive, nutrition

Dr. Qualia is a board certified pediatric gastroenterologist with over 15 years of experience caring for children with a wide variety of gastrointestinal and nutritional disorders at Albany Medical Center in upstate New York, where he is Professor of Pediatrics and Chief of Pediatric Gastroenterology. He has over 10 years of experience as an expert medical witness, during which he's helped plaintiff and defense attorneys achieve the desired outcomes for their clients. Dr. Qualia reviews cases efficiently, provides objective opinions and communicates in a clear and concise manner. A native of New York, Dr. Qualia graduated magna cum laude from State University of New York (SUNY) Binghamton with a BS in Biology. He earned his medical degree and completed his general pediatrics residency at SUNY Upstate Medical University in Syracuse, NY. Thereafter, he completed a three year pediatric gastroenterology fellowship training program at University of Rochester Medical Center in Rocheste...

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...

Memphis, Tennessee

Colon & Rectal Surgery - Colon Cancer, Rectal Cancer, Anal Cancer, Crohn‘s Disease, Ulcerative Colitis, Diverticulitis, Fecal Incontinence, Constipation, Anorectal Abscess, Anal Fistula, Anal Fissure, Hemorrhoids, Condyloma, Anal Dysplasia, Colostomy, Ileostomy, Preoperative Care, Postoperative Care

Dr Katz brings 9 years of surgical training and 20 years of surgical practice to the care of patients with colorectal diseases. He practices robotic, laparoscopic and open abdominal surgery, and anorectal surgery. He is Medical Director of the Wound Ostomy Clinic at St. Francis Hospital, where he cares for patients with ileostomy and colostomy issues. Dr. Katz seeks to care for each patient with the best possible treatment at the proper time. Dr Katz takes pride in using his significant public speaking experience to help people understand challenging medical concepts.

CHESTERFIELD, Virginia

Colon & Rectal Surgery, General Surgery - COLON CANCER, COLONOSCOPY, DIVERTICULITIS, BOWEL OBSTRUCTION, BLEEDING, FECAL INCONTINENCE, CONSTIPATION, HEMORRHOIDS, NUTRITION, CHOLECYSTITIS, APPENDICITIS, LARGE BOWEL OBSTRUCTION, SMALL BOWEL OBSTRUCTION, ASCITIS, ABSCESS, ANAL FISTULA, RECTAL, CROHN'S, POLYPS, INFLAMMATION

Dr. Stephen Cohen is a double board-certified general and colon and rectal surgeon with over 30 years of clinical experience and the past seven years dedicated to teaching, training, and mentoring physicians at the Hunter Holmes McGuire Veterans Administration Medical Center. In this role, he is actively involved in educating surgical residents and maintaining high standards of care within a complex, high-acuity healthcare system. Dr. Cohen previously practiced in Atlanta, Georgia, where he was the first board-certified colon and rectal surgeon serving the southern crescent region. He developed a reputation for delivering high-quality, patient-centered care and for clearly communicating complex medical issues to patients, families, and colleagues—an ability that translates directly to effective expert testimony. A recognized leader in colorectal surgery, Dr. Cohen has extensive experience with advanced and evolving surgical techniques. He has collaborated with physicians nationally...