The 20 Best Achalasia Doctors Near Me in Morristown, NJ
Find the Top Achalasia Experts and Specialists
Atlantic Medical Group Gastroenterology
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 a Distinguished provider by MediFind in the treatment of Achalasia. He is also highly rated in 18 other conditions, according to our data. His clinical expertise encompasses Achalasia, Angiodysplasia of the Colon, Gallstones, Endoscopy, and Pancreatectomy. Dr. Grossman is board certified in American Board Of Internal Medicine. Dr. Grossman is currently accepting new patients.
Affiliates In Gastroenterology
Larry Siu is a Gastroenterologist practicing medicine in Morristown, New Jersey. Dr. Siu is rated as an Experienced provider by MediFind in the treatment of Achalasia. He is also highly rated in 24 other conditions, according to our data. His clinical expertise encompasses Pancreatic Cancer, Choledocholithiasis, Familial Pancreatic Cancer, Endoscopy, and Gastrectomy. Dr. Siu is board certified in American Board Of Internal Medicine. Dr. Siu is currently accepting new patients.
Michael A Schalet Do
Michael Schalet is a Gastroenterologist practicing medicine in Morristown, New Jersey. Dr. Schalet is rated as an Experienced provider by MediFind in the treatment of Achalasia. His clinical expertise encompasses Gastrointestinal Bleeding, Gastric Dysmotility, Colitis, Gastrectomy, and Endoscopy. Dr. Schalet is board certified in American Board Of Internal Medicine. Dr. Schalet is currently accepting new patients.
Atlantic Medical Group Gastroenterology
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 Achalasia. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Gastrointestinal Bleeding, Chronic Idiopathic Constipation (CIC), Colitis, Endoscopy, and Gastrectomy. Dr. Dinneen is board certified in American Board Of Internal Medicine. Dr. Dinneen is currently accepting new patients.
Morris County Gastroenterology Associates PA
John Soriano is a Gastroenterologist practicing medicine in Morristown, New Jersey. Dr. Soriano is rated as an Experienced provider by MediFind in the treatment of Achalasia. He is also highly rated in 7 other conditions, according to our data. His clinical expertise encompasses Ulcerative Colitis, Gastric Dysmotility, Esophagitis, Gastrectomy, and Endoscopy. Dr. Soriano is board certified in American Board Of Internal Medicine. Dr. Soriano is currently accepting new patients.
MMC Family Medicine
Nalini Lam is a primary care provider, practicing in Family Medicine in Morristown, New Jersey. Dr. Lam is rated as an Experienced provider by MediFind in the treatment of Achalasia. Her clinical expertise encompasses Sepsis, Acute Kidney Failure, Sickle Cell Disease, Endoscopy, and Hip Replacement.
Morris County Gastroenterology Associates PA
Edward Barbarito is a Gastroenterologist practicing medicine in Denville, New Jersey. Dr. Barbarito is rated as an Experienced provider by MediFind in the treatment of Achalasia. He is also highly rated in 7 other conditions, according to our data. His clinical expertise encompasses Choledocholithiasis, Gastrointestinal Bleeding, Diarrhea, Gastrectomy, and Endoscopy. Dr. Barbarito is board certified in American Board Of Internal Medicine. Dr. Barbarito is currently accepting new patients.
Summit Medical Group
Tamir Menachem is a Gastroenterologist practicing medicine in Berkeley Heights, New Jersey. Dr. Menachem is rated as an Experienced provider by MediFind in the treatment of Achalasia. He is also highly rated in 19 other conditions, according to our data. His clinical expertise encompasses Bile Duct Obstruction, Bile Duct Stricture, Cholestasis, Endoscopy, and Pancreatectomy. Dr. Menachem is currently accepting new patients.
Summit Medical Group Gastroenterology
Gloria Lan is a Gastroenterologist practicing medicine in Berkeley Heights, New Jersey. Dr. Lan is rated as an Experienced provider by MediFind in the treatment of Achalasia. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Childhood Volvulus, Gallstones, Choledocholithiasis, Gastrectomy, and Colonoscopy. Dr. Lan is board certified in American Board Of Internal Medicine. Dr. Lan is currently accepting new patients.
Summit Medical Group PA
Hazar Michael is a Gastroenterologist practicing medicine in Berkeley Heights, New Jersey. Dr. Michael is rated as an Experienced provider by MediFind in the treatment of Achalasia. She is also highly rated in 14 other conditions, according to our data. Her clinical expertise encompasses Bile Duct Obstruction, Pancreatic Cancer, Familial Pancreatic Cancer, Gastrectomy, and Endoscopy. Dr. Michael is board certified in American Board Of Internal Medicine. Dr. Michael is currently accepting new patients.
Summit Medical Group Gastroenterology
Piotr Sowa is a Gastroenterologist practicing medicine in Berkeley Heights, New Jersey. Dr. Sowa is rated as an Experienced provider by MediFind in the treatment of Achalasia. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Gastroesophageal Reflux Disease (GERD), Relapsing Multiple Sclerosis (RMS), Cholestasis, Endoscopy, and Gastrectomy. Dr. Sowa is board certified in American Board Of Internal Medicine. Dr. Sowa is currently accepting new patients.
North Jersey Gastroenterology And Endoscopy Assoc PA
Steven David is a Gastroenterologist practicing medicine in Wayne, New Jersey. Dr. David is rated as an Experienced provider by MediFind in the treatment of Achalasia. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Choledocholithiasis, Ascites, Heartburn, Gastrectomy, and Colonoscopy. Dr. David is board certified in American Board Of Internal Medicine. Dr. David is currently accepting new patients.
North Jersey Gatroenterology & Endoscopy
Joseph Zangara is a Gastroenterologist practicing medicine in Wayne, New Jersey. Dr. Zangara is rated as an Experienced provider by MediFind in the treatment of Achalasia. He is also highly rated in 15 other conditions, according to our data. His clinical expertise encompasses Necrotizing Enterocolitis, Eosinophilic Colitis, Gastric Dysmotility, Gastrectomy, and Colonoscopy. Dr. Zangara is board certified in American Board Of Internal Medicine. Dr. Zangara is currently accepting new patients.
North Jersey Gastroenterology And Endoscopy Assoc PA
Robert Bleicher is a Gastroenterologist practicing medicine in Wayne, New Jersey. Dr. Bleicher is rated as an Experienced provider by MediFind in the treatment of Achalasia. He is also highly rated in 12 other conditions, according to our data. His clinical expertise encompasses VIPoma, Gastric Dysmotility, Eosinophilic Colitis, Gastrectomy, and Endoscopy. Dr. Bleicher is board certified in American Board Of Internal Medicine. Dr. Bleicher is currently accepting new patients.
John N. Franzese MD PC
John Franzese is a Gastroenterologist practicing medicine in Chatham, New Jersey. Dr. Franzese is rated as an Experienced provider by MediFind in the treatment of Achalasia. He is also highly rated in 12 other conditions, according to our data. His clinical expertise encompasses Diverticular Disease, Diarrhea, Trichohepatoenteric Syndrome, Endoscopy, and Gastrectomy.
Summit Medical Group PA
James Gillin is a Gastroenterologist practicing medicine in Berkeley Heights, New Jersey. Dr. Gillin is rated as an Experienced provider by MediFind in the treatment of Achalasia. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Gastric Dysmotility, Diverticular Disease, Familial Adenomatous Polyposis, Gastrectomy, and Colonoscopy.
Saint Barnabas Medical Center
Anmol Mittal is a primary care provider, practicing in Internal Medicine in Livingston, New Jersey. Dr. Mittal is rated as an Experienced provider by MediFind in the treatment of Achalasia. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Pneumonia, Gallbladder Disease, Spontaneous Bacterial Peritonitis, Endoscopy, and Gallbladder Removal.
Mountainside Medical Group
Masood Rizvi is a Gastroenterologist practicing medicine in Verona, New Jersey. Dr. Rizvi is rated as an Experienced provider by MediFind in the treatment of Achalasia. His clinical expertise encompasses Gastrointestinal Bleeding, Diverticular Disease, Gallbladder Disease, Gastrectomy, and Colonoscopy. Dr. Rizvi is board certified in American Board Of Internal Medicine.
Center For Digestive Diseases
Geethan Sivananthan is a Gastroenterologist practicing medicine in Union, New Jersey. He has been practicing medicine for over 17 years. Dr. Sivananthan is rated as an Experienced provider by MediFind in the treatment of Achalasia. He is also highly rated in 49 other conditions, according to our data. His clinical expertise encompasses Gastrointestinal Bleeding, Gas Bloat Syndrome, Macroamylasemia, Gastrectomy, and Gastrostomy. Dr. Sivananthan is currently accepting new patients.
Mountainside Medical Group
Sangbaek Oh is a Gastroenterologist practicing medicine in Glen Ridge, New Jersey. Dr. Oh is rated as an Experienced provider by MediFind in the treatment of Achalasia. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Obesity, Chronic Erosive Gastritis, Gastroesophageal Reflux Disease (GERD), Colonoscopy, and Endoscopy.
Last Updated: 04/28/2026




