"John M. Dalena, MD, specializes in conditions and diseases of the esophagus, stomach, small intestine, large intestine, liver, gall bladder, and pancreas. Dr. Dalena also provides a wide range of gastrointestinal services, including cancer screening, nutritional support, therapeutic endoscopy, and colonoscopy.Dr. Dalena is the former Chairman in the Department of Gastroenterology at Morristown Medical Center in Morristown, New Jersey. He is an attending physician in the Department of Internal Medicine at Atlantic Health System's Morristown Medical Center. He is a member of the American Medical Association, Medical Society of New Jersey, Morris County Medical Society, American College of Gastroenterology, and Alpha Omega Alpha Honor Medical Society. He is Past Chairman and a member of the Crohns and Colitis Foundation Medical Advisory Committee - New Jersey Chapter.Dr. Dalena has earned the Morristown Medical Center Physician of the Year Award. He also earned the University of Medicine and Dentistry Fellowship Research First Prize Award and American College of Physicians - New Jersey Chapter Laureate Award for Outstanding Achievement in Medicine. He has been featured multiple times in New Jersey Monthly and Castle Connolly ""Top Doctors"" and ""Top Doctors in the New York Metro Area"" listings. Dr. Dalena is one of few physicians nationwide to earn Castle Connolly ""Top Doctor"" listings for more than 10 consecutive years. His ""Top Doctors"" listings are reprinted in Inside Jersey and US News and World Report.When he is not working with his patients, Dr. Dalena is an avid runner and cyclist. He has completed many duathlons, triathlons, and marathons. A life-long resident of Morris County, Dr. Dalena lives in New Vernon, New Jersey.". Dr. Dalena is rated as an Advanced provider by MediFind in the treatment of Familial Adenomatous Polyposis. His top areas of expertise are Gastroesophageal Reflux Disease (GERD), Gas Bloat Syndrome, Diverticular Disease, Gastrectomy, and Endoscopy.

Scott Gelman is a Gastroenterologist in Florham Park, New Jersey. Dr. Gelman is rated as an Experienced provider by MediFind in the treatment of Familial Adenomatous Polyposis. His top areas of expertise are Gastroesophageal Reflux Disease (GERD), Barrett Esophagus, Diarrhea, Gastrectomy, and Endoscopy. Dr. Gelman is currently accepting new patients.

Konika Bose is a Gastroenterologist in Florham Park, New Jersey. Dr. Bose is rated as an Experienced provider by MediFind in the treatment of Familial Adenomatous Polyposis. Her top areas of expertise are Gallstones, Gallbladder Disease, Gastrointestinal Bleeding, Endoscopy, and Gastrectomy. Dr. Bose is currently accepting new patients.

Larry Siu is a Gastroenterologist in Morristown, New Jersey. Dr. Siu is rated as an Experienced provider by MediFind in the treatment of Familial Adenomatous Polyposis. His top areas of expertise are Pancreatic Cancer, Choledocholithiasis, Familial Pancreatic Cancer, Endoscopy, and Gastrectomy. Dr. Siu is currently accepting new patients.

Robert Schuman is a Gastroenterologist in Morristown, New Jersey. Dr. Schuman is rated as an Experienced provider by MediFind in the treatment of Familial Adenomatous Polyposis. His top areas of expertise are Non-Alcoholic Fatty Liver Disease, Gastric Dysmotility, Irritable Bowel Syndrome (IBS), Exocrine Pancreatic Insufficiency, and Gastrectomy. Dr. Schuman is currently accepting new patients.

Dr. Matthew Grossman is an interventional endoscopist and gastroenterologist with the Atlantic Digestive Health Institute at Morristown, specializing in premalignant conditions and malignancies involving the gastrointestinal (GI) system. Board-certified by the American Board of Internal Medicine in gastroenterology, and fellowship-trained in gastroenterology and advanced therapeutic endoscopy, Dr. Grossman cares for patients and is called upon for the most challenging endoscopic procedures.Dr. Grossman has performed thousands of advanced procedures providing the highest quality of care using state-of-the-art technology to diagnose and treat patients. His clinical interests are in therapeutic endoscopy: endoscopic retrograde cholangiopancreatography (ERCP), endoscopic ultrasound, submucosal dissection and resection, and endoscopic surgical techniques including endoscopic bariatric surgery, esophageal and gastric POEM, Zenker’s diverticulectomy, transoral incisionless fundoplication, enteric stenting, double balloon enteroscopy, Barrett’s esophagus, pancreatic cyst management and endoscopic suturing.After earning his medical degree from Rutgers/UMDNJ Robert Wood Johnson Medical School, New Brunswick, NJ, Dr. Grossman completed his residency in internal medicine at Columbia University Medical Center, NYC. He then completed a fellowship in gastroenterology at New York University Medical Center, NYC, and went on for a second fellowship in advanced therapeutic endoscopy at Lenox Hill Hospital, NYC.Active in clinic trials of novel endoscopic devices as well as research on pancreatic cancer genomics, Dr. Grossman has written numerous publications in peer-reviewed journals and presented at many national scientific meetings. He has given frequent talks throughout the GI community about the latest innovations in endoscopy.Dr. Grossman is a Fellow of the New York Society for Gastrointestinal Endoscopy. He maintains active membership in the American Society for Gastrointestinal Endoscopy, the American College of Gastroenterology, and the American Gastroenterology Association. He is fluent in Spanish. Dr. Grossman is part of the Atlantic Medical Group and a participating provider of the Atlantic Accountable Care Organization. Dr. Grossman is rated as an Experienced provider by MediFind in the treatment of Familial Adenomatous Polyposis. His top areas of expertise are Achalasia, Angiodysplasia of the Colon, Gallstones, Endoscopy, and Pancreatectomy.

Dr. Ravish Parekh is a board-certified gastroenterologist and a member of the Atlantic Digestive Health Institute. He received his medical degree from Baroda Medical College, Maharaja Sayajirao University in India and came to the United States to pursue his internal medicine residency at Henry Ford Hospital-Wayne State University in Detroit, MI. There, he served as a chief medical resident and was awarded Intern of the Year. Dr. Parekh remained at Henry Ford Hospital to complete his fellowship in gastroenterology and hepatology, during which he served, once again, as a chief fellow and was awarded the Roger F. Smith - Most Outstanding Fellow of the Year.Dr. Parekh brings an exceptional combination of quality patient care, team leadership, and strong communication skills to our practice. He is proud to be part of Atlantic Medical Group and treats a wide range of gastrointestinal disorders with a special interest in inflammatory bowel diseases, colorectal cancer screening, pancreaticobiliary disorders, chronic liver diseases and disorders of the esophagus.A member of multiple gastrointestinal societies, Dr. Parekh participates in the American College of Gastroenterology (ACG), American Gastrointestinal Association (AGA), American Society of Gastrointestinal Endoscopy (ASGE) and the Crohn’s & Colitis Foundation. He has published several abstracts and publications, has presented at several national and international meetings, and has a keen interest in research and medical education. Dr. Parekh is rated as an Experienced provider by MediFind in the treatment of Familial Adenomatous Polyposis. His top areas of expertise are Lymphocytic Colitis, Gastrointestinal Bleeding, Viral Gastroenteritis, Endoscopy, and Gastrostomy.

Dr. Nnaemeka Anyadike is the Director of Endoscopy for the Atlantic Digestive Health Institute in Morristown and is board-certified in gastroenterology and internal medicine. He earned his medical degree at the University of Virginia School of Medicine and completed his internship and residency at Thomas Jefferson University Hospital. Dr. Anyadike went on to pursue his fellowship in gastroenterology at Maimonides Medical Center. Prior to joining the Atlantic Digestive Health Institute, Dr. Anyadike served as faculty at Mount Sinai with a hospital appointment as an interventional gastroenterologist at Elmhurst Hospital in Queens, NY. Dr. Anyadike believes in providing the highest quality care using state-of-the-art diagnostics to help patients live their best lives. His clinical interests are in diagnosis and management of biliary disease, pancreatic disease, and pre-cancerous and cancerous lesions in the gastrointestinal tract (esophagus, stomach, small intestine, colon, pancreas, bile ducts, and liver). Accordingly, Dr. Anyadike possesses expertise in performing diagnostic and therapeutic endoscopic procedures, including endoscopic retrograde cholangiopancreatography, endoscopic ultrasound with fine needle aspiration, luminal stent placement, advanced polyp removal techniques, and small bowel endoscopy. The recipient of several honors and awards for professionalism and humanitarianism throughout his career, Dr. Anyadike maintains an appointment as an assistant professor with the Icahn School of Medicine at Mount Sinai in New York. He has written numerous research publications and served as a teacher for medical students, residents and fellows throughout his medical career. Dr. Anyadike maintains membership in the American College of Gastroenterology and the American Society of Gastrointestinal Endoscopy. He is part of the Atlantic Medical Group and a participating provider of the Atlantic Accountable Care Organization. Dr. Anyadike is rated as an Experienced provider by MediFind in the treatment of Familial Adenomatous Polyposis. His top areas of expertise are Childhood Volvulus, Jaundice, Gastrointestinal Bleeding, Endoscopy, and Gastrectomy.

Lawrence Rosenthal is a Gastroenterologist in West Orange, New Jersey. Dr. Rosenthal is rated as an Experienced provider by MediFind in the treatment of Familial Adenomatous Polyposis. His top areas of expertise are Irritable Bowel Syndrome (IBS), Gastroesophageal Reflux Disease (GERD), Gastritis, Gastrectomy, and Endoscopy. Dr. Rosenthal is currently accepting new patients.

Matthew Askin is a Gastroenterologist in West Orange, New Jersey. Dr. Askin is rated as an Experienced provider by MediFind in the treatment of Familial Adenomatous Polyposis. His top areas of expertise are Gastric Dysmotility, Gastroesophageal Reflux Disease (GERD), Indigestion, Diverticular Disease, and Gastrectomy. Dr. Askin is currently accepting new patients.

David Rahni is a Gastroenterologist in West Orange, New Jersey. Dr. Rahni is rated as an Experienced provider by MediFind in the treatment of Familial Adenomatous Polyposis. His top areas of expertise are Acute Pancreatitis, Pancreatic Cancer, Familial Pancreatic Cancer, Endoscopy, and Colonoscopy. Dr. Rahni is currently accepting new patients.

Darren Blumberg is a Gastroenterologist in Florham Park, New Jersey. Dr. Blumberg is rated as an Experienced provider by MediFind in the treatment of Familial Adenomatous Polyposis. His top areas of expertise are Chronic Idiopathic Constipation (CIC), Barrett Esophagus, Esophagitis, Gastrectomy, and Colonoscopy. Dr. Blumberg is currently accepting new patients.

Kelly Krueger is a Gastroenterologist in Florham Park, New Jersey. Dr. Krueger is rated as an Experienced provider by MediFind in the treatment of Familial Adenomatous Polyposis. Her top areas of expertise are Irritable Bowel Syndrome (IBS), Barrett Esophagus, Familial Adenomatous Polyposis, Gastrectomy, and Endoscopy. Dr. Krueger is currently accepting new patients.

Dennis Han is a Gastroenterologist in Florham Park, New Jersey. Dr. Han is rated as an Experienced provider by MediFind in the treatment of Familial Adenomatous Polyposis. His top areas of expertise are Acute Pancreatitis, Diverticular Disease, Angiodysplasia of the Colon, Gastrectomy, and Endoscopy. Dr. Han is currently accepting new patients.

Debra Tarantino is a Colorectal Surgeon and a General Surgeon in Livingston, New Jersey. Dr. Tarantino is rated as an Experienced provider by MediFind in the treatment of Familial Adenomatous Polyposis. Her top areas of expertise are Rectal Prolapse, Proctitis, Bowel Incontinence, Colostomy, and Hernia Surgery. Dr. Tarantino is currently accepting new patients.

Kevin Holzman is a Colorectal Surgeon in Livingston, New Jersey. Dr. Holzman is rated as an Experienced provider by MediFind in the treatment of Familial Adenomatous Polyposis. His top areas of expertise are Hemorrhoids, Rectal Prolapse, Bowel Incontinence, Ureteroscopy, and Bladder Reconstruction.

Michael Schalet is a Gastroenterologist in Morristown, New Jersey. Dr. Schalet is rated as an Experienced provider by MediFind in the treatment of Familial Adenomatous Polyposis. His top areas of expertise are Gastrointestinal Bleeding, Gastric Dysmotility, Colitis, Gastrectomy, and Endoscopy. Dr. Schalet is currently accepting new patients.

Isaac Galandauer is a Gastroenterologist in Cedar Knolls, New Jersey. Dr. Galandauer is rated as an Experienced provider by MediFind in the treatment of Familial Adenomatous Polyposis. His top areas of expertise are Diarrhea, Trichohepatoenteric Syndrome, Barrett Esophagus, Gastrectomy, and Colonoscopy. Dr. Galandauer is currently accepting new patients.

Scott Dinneen, MD, is dual-board- certified in internal medicine and gastroenterology by the American Board of Internal Medicine and completed his fellowship in gastroenterology at Rutgers-New Jersey Medical School. Dr. Dinneen is part of Atlantic Digestive Health Institute at Morristown. He believes in shared decision-making - spending time with patients to develop diagnostic and treatment plans based on clinical evidence that appropriately balances risks with expected outcomes and aligns with his patients’ preferences and values. Dr. Dinneen treats a wide breadth of digestive disorders including acid reflux, peptic ulcer disease, celiac disease, C. difficile, colitis, gastrointestinal bleeding, pancreatitis, diverticulitis, inflammatory bowel disease and colon polyps. Dr. Dinneen completed his fellowship at a liver transplant center, and has experience treating early and advanced liver disease including fatty liver disease (NASH), hepatitis B, hepatitis C, and cirrhosis. He has a particular interest in esophageal disorders including acidic and non-acidic reflux, eosinophilic esophagitis, peptic stricture, hiatal hernia, Barrett’s esophagus, achalasia, esophageal spasm and jackhammer esophagus. Dr. Dinneen treats his patients as he would treat his own family members – with knowledge, thoroughness, compassion and individualized care. After receiving his medical degree from the University of New England College of Osteopathic Medicine in Biddeford, ME, Dr. Dinneen returned to his native state of New Jersey to pursue his internship and residency in internal medicine at Rutgers New Jersey Medical School. He served as chief resident for one year before moving on to his fellowship in gastroenterology. While pursuing his education at Rutgers, Dr. Dinneen authored multiple publications and research initiatives on identifying risk factors, improving outcomes and assessing quality measures in the areas of gastroenterology and hepatology.Dr. Dinneen is part of the Atlantic Medical group and a member of the Atlantic Accountable Care Organization. Dr. Dinneen is rated as an Experienced provider by MediFind in the treatment of Familial Adenomatous Polyposis. His top areas of expertise are Gastrointestinal Bleeding, Chronic Idiopathic Constipation (CIC), Colitis, Endoscopy, and Gastrectomy.

Roger Klein is a Gastroenterologist in Berkeley Heights, New Jersey. Dr. Klein is rated as an Advanced provider by MediFind in the treatment of Familial Adenomatous Polyposis. His top areas of expertise are Familial Adenomatous Polyposis, Gastric Dysmotility, Gastroesophageal Reflux Disease (GERD), Endoscopy, and Gastrectomy. Dr. Klein is currently accepting new patients.