Dr. Alpern and his friendly staff are here to help you. Our office is conveniently located
on the grounds of St. Catherine of Siena Medical Center in Smithtown, Long Island, where we offer ample parking and wheelchair accessibility. Office hours are Monday through Friday, from 9 a.m. to 5 p.m.

Treatment for All Digestive Conditions
Patients visit Dr. Alpern for diagnosis and treatment of gastrointestinal and liver disorders as well as for regular cancer screenings. If you suffer from any of the symptoms below—or  you or your primary care physician suspect any of these conditions— please make an appointment. Prevention and early intervention are important for a positive outcome.

  • Abdominal Pain
  • Acid Reflux Disease
  • Barrett’s Esophagus (Damaged from reflux)
  • Blood in Stool
  • Celiac Disease (Immune reaction to gluten)
  • Cirrhosis
  • Colon Cancer and Screening
  • Constipation
  • Crohn’s Disease / Ulcerative Colitis
  • Diarrhea
  • Gallstones / Biliary Tract Diseases
  • Heartburn
  • Hemorrhoids
  • Hepatitis B
  • Hepatitis C
  • Inflammatory Bowel Disease
  • Irritable Bowel Syndrome
  • NASH/Fatty Liver
  • Obesity
  • Pancreatitis
  • Ulcer Disease
  • And more...

We specialize in colon cancer screening and prevention.

Latest Technology
Prevention | Diagnosis | Treatment

Many conditions are addressed in office
visits, but some conditions are best identified and/or treated with leading edge technology. Dr. Alpern is skilled in the latest diagnostic procedures and treatments, including:

Upper GI Endoscopy
Capsule Endoscopy
Liver Biopsy

Dr. Alpern is affiliated with St. Catherine of Siena Medical Center, Stony Brook University Hospital and Digestive Health Center of Huntington.