John G. Dowd
DO
Specialty
Board Certifications
Gastroenterology
Medical School
Residency
Internship
Fellowship
Locations
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Emerson Endoscopy & Digestive Health Center
310 Baker Avenue
Suite 175A
Concord, MA 01742 -
Emerson Health Gastroenterology
310 Baker Avenue
Suite 175D
Concord, MA 01742
Clinical Interests
Esophageal disorder, inflammatory bowel disease, colorectal cancer screening and prevention, biliary and pancreatic disorders and clinical nutrition
Professional Memberships
American Osteopathic Association, American Gastroenterology Association, American College of Gastroenterology, American College of Osteopathic Internists, American Society of Gastrointestinal Endoscopy
Related Content
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Men’s Health Tips
Maintaining a healthy weight, managing heartburn, and regular prostate cancer screenings are vital aspects of men’s health. Emerson Health’s experts provide insights on effective weight management strategies, heartburn causes and treatments, and the…
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Carol Regains Control of Her Life
Carol regained control of her life after receiving expert care from Emerson Health’s gastroenterology team for complex digestive issues. Read her inspiring story of overcoming fear and discomfort through advanced treatments, including a specialized…
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Screening Colonoscopies: What We Wish Everyone Knew
John Dowd, DO, Emerson Health GastroenterologyI have performed more than 20,000 screening colonoscopies during my 22 years as a gastroenterologist. I see how colonoscopies can and do save lives. I
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What to Expect During Your Colon Cancer Screening
Colon cancer often begins as a growth called a polyp inside the colon. Finding and removing these polyps can help prevent cancer. A colonoscopy is a screening test used to
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Stomachaches When to See a Doctor
Everyone gets a stomachache occasionally, but when might it be a cause for concern? John Dowd, DO, gastroenterologist with Emerson Health Gastroenterology, explains the difference between a simple stomachache or
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Stomach Bug, COVID-19, or Flu: How to Tell
Stomach Bug, COVID-19, Flu, or Serious GI Issue? How to TellCOVID-19 cases around the country are increasing as we head into the winter months, when illnesses are rising – including