Dr. William J. Cohn
- Gender: Male
- Experience: 49 years
- Graduated from: Virginia Commonwealth University, School Of Medicine
- Graduation year: 1972
- Sole propriator: No
- NPI: 1861459208
Dr. William J. Cohn MD
Gastroenterologist
He is located at 3400 Nesconset Highway Suite 101 in East Setauket, NY 11733. Can help patients with the following: Arthritis, Autoimmune Hepatitis, Esophagitis, Influenza, Liver Disease, Pancreatic Cysts. His National Provider Identifier (NPI) number is 1861459208. Appointment can be made via the phone number (631) 751-8700. He is affiliated with 1 practices and 3 hospitals.
Conditions treated
Dr. William J. Cohn, being an gastroenterologist, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. William J. Cohn.
- Abdominal Pain
- Acute Pain
- Anemia
- Arthritis
- Ascites
- Asthma
- Atherosclerosis
- Autoimmune Hepatitis
- Bad Breath
- Barrett's Esophagus
- Bladder Control
- Bleeding Varices
- Blood in Stool
- Botulism
- Cancer
- Carcinoid Tumor
- Celiac Disease
- Chest Pain
- Childhood Obesity
- Cholecystitis
- Chronic Obstructive Pulmonary Disease (COPD)
- Cirrhosis
- Clostridium Difficile Colitis
- Colitis
- Colonoscopy
- Common Cold
- Constipation
- Crohn's Disease
- Cystitis
- Diarrhea
- Diverticulosis
- Edema
- Eosinophilic Esophagitis
- Esophagitis
- Fatty Liver Disease
- Feeding and Swallowing
- Fever
- Food Allergies
- Gallbladder Pain
- Gastric Bypass Surgery
- Gastritis
- Gastroesophageal Reflux Disease (GERD)
- Gastroparesis
- General Care
- Headache
- Heart Disease
- Heartburn
- Helicobacter Pylori Infection
- Hemorrhoids
- Hepatitis A (HAV)
- Hepatitis B (HBV)
- Hepatitis C (HCV)
- Hiatal Hernia
- High Blood Pressure
- Hot Flashes
- Hyperlipidemia
- Hyponatremia
- Indigestion
- Inflammatory Bowel Disease (IBD)
- Influenza
- Inguinal Hernia
- Internal Bleeding
- Intussusception
- Irritable Bowel Syndrome (IBS)
- Lactose Intolerance
- Leaky Gut Syndrome
- Liver Disease
- Migraine
- Nausea and Vomiting
- Obesity
- Osteoporosis
- Pancreas Divisum
- Pancreatic Cancer
- Pancreatic Cysts
- Pancreatitis
- Peptic Ulcer
- Portal Hypertension
- Prescription Refill
- Primary Biliary Cirrhosis (PBC)
- Primary Sclerosing Cholangitis (PSC)
- Stomach Cancer
- Swallowing Disorders
- Ulcerative Colitis
- Urethritis
- Urinary Tract Infection (UTI)
Procedures Performed by Dr. William J. Cohn
Medicare Enrollment
Dr. William J. Cohn is enrolled to bill Medicare as a Practitioner - Internal Medicine (also registered under: Practitioner - Gastroenterology) .
Bills through: Medical Services Of Setauket Pc
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Payments received
Drug payment
| AbbVie | $341 |
| Valeant Pharmaceuticals North America | $319 |
| Gilead Sciences | $276 |
Other
| Food and Beverage | $2576 |
Studies
VIRGINIA COMMONWEALTH UNIVERSITY, SCHOOL OF MEDICINE
Graduated in 1972Additional Specialities
- Internist
Affiliated hospitals
Looking for more Gastroenterologists?
Out of the 20 gastroenterologists in this region, here are 10 randomly selected ones for you to explore.
- Gender: Male
- Address: Suite 700 3 Technology Drive East Setauket, 11733, NY
- Gender: Female
- Address: Suite 300 3 Technology Drive East Setauket, 11733, NY
- Gender: Male
- Address: Suite 101 3400 Nesconset Highway East Setauket, 11733, NY
- Gender: Male
- Address: 111 Osborne Street Floor 2 Danbury, 6810, CT
- Gender: Female
- Address: 3 Technology Drive East Setauket, 11733, NY
- Gender: Male
- Address: Suite 101 3400 Nesconset Highway East Setauket, 11733, NY
- Gender: Male
- Address: Health Science Center T17-060 Stony Brook University Medical Center Stony Brook, 11794, NY
- Gender: Male
- Address: Suite 101 3400 Nesconset Highway East Setauket, 11733, NY
- Gender: Male
- Address: 889 East Main Street Riverhead, 11901, NY
- Gender: Male
- Address: Suite 101 3400 Nesconset Highway East Setauket, 11733, NY
Questions & Answers
Where can you meet with Dr. William J. Cohn?
Dr. William J. Cohn's office is located at 3400 Nesconset Highway Suite 101 in East Setauket, NY 11733.
What conditions does Dr. William J. Cohn treat?
Dr. William J. Cohn provides treatment for Arthritis, Autoimmune Hepatitis, Esophagitis, Influenza, Liver Disease, Pancreatic Cysts. For the full list see this list.
Has Dr. William J. Cohn affiliation with hospitals?
Dr. William J. Cohn is affiliated with SUNY/STONY BROOK UNIVERSITY HOSPITAL. For the full list of hospitals see this list.
Does Dr. William J. Cohn have affiliation with practices?
Dr. William J. Cohn is affiliated with Long Island Digestive Disease Consultants.