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Dr. Peter Krims

Dr. Peter Krims


Areas of Care:

  • Gastroenterology
  • Internal Medicine


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

Dr. Peter Krims has more than 35 years in medical training and experience. He is board certified in internal medicine and gastroenterology and completed his medical training at Boston University, University California San Diego and Duke University. His clinical interests include biliary and pancreatic disease, and advanced endoscopy.

He is a past director of Endoscopy at UMass Medical Center, and is past president of the New England Endoscopy Society. Boston Magazine named him as one of the Top Doctors in the Boston area in 2019. 

Patient Satisfaction

Dr. Krims’s ratings are among the best for Acton Gastroenterologists, receiving a combined average rating of more than 4 stars on Healthgrades, Vitals and Google My Business. Among his highest ratings are his trustworthiness, ability to answer questions and time spent with patient. One five-star reviewer says:

“There almost isn't a nicer, more compassionate doctor than Dr. Krims! He is personable, with a warm personality, and explains things in an easy-to-understand manner - a huge benefit in my book. It In fact, everyone I have encountered at Middlesex Gastroenterology is top notch.”

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

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