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Dr. Mark Epstein

Dr. Mark Epstein


Areas of Care:

  • Gastroenterology
  • Internal Medicine


  • Colonoscopy
  • Upper Endoscopy
  • Hemorrhoids
  • Gastroesophageal Reflux Disease (GERD)
  • Irritable Bowel Syndrome (IBS)
  • Celiac Disease
  • Ulcerative Colitis
  • Abdominal Pain

Dr. Mark Epstein has more than 30 years in medical training and experience. He is board certified in Gastroenterology. He earned his medical degree from University of Witwatersrand Medical School in South Africa. Internal Medicine Residency, Gastroenterology fellowship at Tufts Medical Center. Previous faculty Tufts Medical Center. Service Chief of Gastroenterology at Emerson Hospital in Concord, MA. 

Patient Satisfaction

Dr. Epstein’s ratings are among the best for Acton Gastroenterologists, receiving a combined average rating of more than four stars on Healthgrades and Vitals. Among his highest ratings are his accurate diagnosis, bedside manner and time spent with patient. One five-star reviewer says:

“Dr. Epstein is great in every dimension of patient care. He takes time to explain a procedure in advance and then ensures your satisfaction after the procedure. I highly recommend him.”

To Schedule Your GI Procedure with Dr. Epstein, Please Complete the Form Below or Call (978) 226-1351

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