Education
- Bachelor’s Degree – Queens College
- Master’s Degree – Robert B. Willumstad School of Business at Adelphi University, MBA
- Medical Degree – NYU School of Medicine
- Internship – NYU Medical Center/Bellevue Hospital
- Residency – NYU Medical Center/Bellevue Hospital
- Fellowship – NYU Medical Center/Bellevue Hospital
- Board Certifications – Internal Medicine, Gastroenterology
Honors & Awards
- Phi Beta Kappa
- Summa Cum Laude
- Pi Mu Epsilon-mathematics honor society
- Top graduation honor-mathematics
- Who’s Who Among Students in American Universities, Judge
- Charles S. Colden Award
- Castle Connolly Top Doctors, 2026
- New York Magazine Top Doctors, 2026
- Newsday Long Island Top Doctors, 2026
Specialties & Main Areas of Interest
- Colon Cancer Screening
- Inflammatory Bowel Disease
- Endoscopy
- Liver disease
Hospital Affiliations
- North Shore University Hospital
- St. Francis Hospital
Other Appointments
- Clinical Assistant Professor of Medicine at the Donald and Barbara Zucker School of Medicine at Hofstra/Northwell
Research
- Involved in early NYU studies of virtual colonoscopy for colon cancer screening as well as GI infectious complications of AIDS.
Fun Facts
Dr. Dicker enjoys spending time and traveling with his wife, five children, and two son-in-laws. He also enjoys skiing, playing tennis and golf, as well as reading number theory and arithmetic books, and engaging in Talmudic studies.
Conditions & Diseases Treated
- Abdominal Pain
- Achalasia
- Acid Reflux
- Anorectal Disease
- Bacteria and Foodborne Illness
- Barrett's Esophagus
- 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
- 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 & Therapeutic Colonoscopy
- Diagnostic & Therapeutic Endoscopy
- Esophageal Dilation/Testing
- Fecal Transplant
- Flexible Sigmoidoscopy
- Flexible Sigmoidoscopy and IRC
- Infusion
- Lactose Intolerance Breath Test
- Lactose Tolerance Test
- Percutaneous Endoscopic Gastrostomy (PEG)
- Polypectomy
- Upper Endoscopy
- Upper GI Endoscopy (EGD)
- Urea Breath Test (UBT)
- Variceal Banding
