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 Dr. Raj Devarajan

Dr. Raj Devarajan


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. Raj Devarajan has more than 30 years of medical training and experience. He is board certified in Gastroenterology, Internal Medicine, Psychiatry and Child Psychiatry. He earned his medical degree from Madras Medical College in Chennai, India, and completed his residency and gastroenterology fellowship training at the Yale, Harvard University and Tufts University medical centers. In 2019, Boston Magazine dubbed Dr. Devarajan a “Top Doctor.”

Dr. Devarajan has served as chief of Gastroenterology at Emerson Hospital and Nashoba Valley Medical Center. He has introduced advanced therapeutic procedures at both hospitals.  He was former chair of Emerson Hospital’s bylaw committee, a member of Independence Physicians Association and chair of the credentials committee.

Born in India, Dr. Devarajan has lived in America since age 9. His father was a physician, and pursuing a career in medicine became Devarajan’s passion from a very early age.  In 1994, he moved to Action, where he raised his two sons, Krishna and Shiva.  He enjoys world traveling and golf in his personal time.

Patient Satisfaction

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

“Dr. Deverajan is the kind of doctor who makes you feel at ease because it is obvious how much he knows about digestive health. I was very impressed with Dr. Devarajen. He and his staff are the best!”

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

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