Education
Bachelor’s Degree – Queens College, Queens, NY
Medical Degree – Sackler School of Medicine, New York State/American Program, Tel Aviv, Israel
Internship – Cornell Cooperating Hospitals
- North Shore University Hospital, Manhasset, NY
- Memorial Sloan-Kettering Cancer Center, New York, NY
Residency – Cornell Cooperating Hospitals
- North Shore University Hospital, Manhasset, NY
- Memorial Sloan-Kettering Cancer Center, New York, NY
Fellowship – Mount Sinai Medical Center, New York, NY
Board Certifications –Â Internal Medicine, Gastroenterology/Hepatology
Honors & Awards
- New York Magazine: Top Doctors: 2021
- Top Doctors New York Metro Area (digital guide): 2017-2021
- Newsday – Top Doctors on Long Island: 2017-2021
- Castle Connolly Regional Top Doctors: 1st Edition
- The George M. Jaffin Department of Medicine Scholarly Activity Award, North Shore University Hospital, Manhasset, NY
Specialties & Main Areas of Interest
- Colon Cancer Screening
- Endoscopy
- Pancreatic Disease
- Biliary Disease
- Gastroesophageal Reflux Disease (GERD)
- Colonoscopy
- Liver Disease
Hospital Affiliations
- North Shore University Hospital
- St. Francis Hospital
Other Appointments
- Chair of the nutrition committee at St. Francis Hospital
- NYS PBA Police Surgeon
Fun Facts
Dr. Abittan is proud to serve on the Medical Executive Board, the Ethics Committee and Blood Utilization Committee at St. Francis Hospital. He is an active member of several professional societies including the American College of Gastroenterology, the American Gastroenterological Association, the American Association for the Study of Liver Diseases and the Crohn’s and Colitis Foundation of America. Chaim is continuously involved in peer education and gives several lectures a year on the foremost treatments for gastrointestinal ailments.
In 2010, he was appointed an honorary New York City Police Surgeon and is honored to care for law enforcement officers and their families.
In addition to being a physician, Dr. Abittan is an ordained Orthodox Rabbi who is a board member of the Sephardic Congregation of Long Beach. He lives on long island with his wife, Lisa, and their children.
Conditions Treated
- Abdominal Pain
- Achalasia
- Acid Reflux
- Anorectal Disease
- Bacteria and Foodborne Illness
- Barrett's Esophagus
- Bile Duct Blockages and Stones
- Celiac Disease
- Chronic Diarrhea
- Clostridioides Difficile
- Colon Cancer
- Colon Disease
- Colon Polyps
- Colorectal Cancer
- Constipation
- Crohn's and Ulcerative Colitis Management
- Crohn’s and Ulcerative Colitis
- Diarrhea
- Difficulty Swallowing (Dysphagia)
- Diverticulosis/Diverticulitis
- Esophageal Cancer
- Esophagitis and Stricture
- Fatty Liver
- Fecal Incontinence
- Gallbladder Disease
- Gallstones
- Gas
- Gastric Cancer
- Gastritis
- Gastrointestinal Malignancies
- Gastroparesis
- Genetic Colon Cancer Syndromes
- GERD
- H. Pylori and Peptic Ulcer
- Heartburn
- Helicobacter Pylori/Peptic Ulcer
- Hemochromatosis
- Hemorrhoids
- Hepatitis A
- Hepatitis B
- Hepatitis C
- Hepatocellular Carcinoma
- Hernias (Abdominal, Groin, and Hiatal)
- High Risk Colon Cancer Screening
- Inflammatory Bowel Disease, Including Crohn’s Disease and Ulcerative Colitis
- Iron Deficiency Anemia
- Irritable Bowel Syndrome
- Jaundice
- Lactose Intolerance
- Laryngopharyngeal Reflux
- Liver Cirrhosis
- Liver Disease
- Nausea and Vomiting
- Nonalcoholic Steatohepatitis (NASH)
- Obesity
- Pancreatic Cancer
- Pancreatic Cysts
- Pancreatitis
- Peptic Ulcer Disease (PUD)
- Primary Biliary Cirrhosis
- Proctitis
- Rectal Bleeding
- Rectal Cancer
- Reflux Esophagitis/Stricture
- Silent Reflux
- Stomach Ulcers
- Swallowing Difficulty
- Ulcerative Colitis
Procedures Performed
- Barrett’s Treatment
- Bravo pH Study
- Breath Testing, including Lactose, Lactulose, Fructose Testing
- Capsule Endoscopy
- Colonoscopy
- Diagnostic and Therapeutic Colonoscopy
- Diagnostic and Therapeutic Endoscopy
- Esophageal Dilation/Testing
- Fecal Transplant
- Flexible Sigmoidoscopy
- Flexible Sigmoidoscopy and IRC
- Lactose Intolerance Breath Test
- Lactose Tolerance Test
- Percutaneous Endoscopic Gastrostomy (PEG)
- Polypectomy
- Remicade Infusion
- Upper Endoscopy
- Upper GI Endoscopy (EGD)
- Urea Breath Test (UBT)
- Variceal Banding
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ADH Care Centers
- Advanced Gastroenterology Associates
- Associated Gastroenterology of Central New Jersey
- Atlantic Coast Gastroenterology Associates
- Chul S. Hyun, MD
- Coastal Gastroenterology Associates
- Digestive Disease Center of NJ
- Gastroenterologists of Ocean County
- Gastroenterology Group of Northern New Jersey
- Gastroenterology Medical Associates
- Gyan Gastroenterology
- Hamilton Gastroenterology Group
- Jan J. Shim, MD
- Jersey Shore Gastroenterology
- Middlesex Monmouth Gastroenterology
- Monmouth Gastroenterology
- North Shore Gastroenterology Associates
- Princeton Gastroenterology Associates
- Red Bank Gastroenterology
- Shore Gastroenterology Associates
- Steven H. Krawet, MD
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