Serving Merrimack, New Hampshire
Gastroenterologist Serving Merrimack, NH
Merrimack patients can access board-certified digestive care at Bedford Gastroenterology, including colonoscopy screening, upper endoscopy, and treatment for IBS, GERD, and liver disease.
GI care for Merrimack patients
Merrimack patients can access board-certified digestive care at Bedford Gastroenterology, including colonoscopy screening, upper endoscopy, and treatment for IBS, GERD, and liver disease.
Dr. Dainiak has been recognized as a Top Doctor in New Hampshire Magazine and brings over 18 years of GI expertise to patients throughout the Merrimack area.
Popular GI services for Merrimack, NH
Colonoscopy screening
IBS & IBD treatment plans
Why Merrimack patients choose Bedford Gastroenterology
- Procedures performed at Bedford Gastroenterology’s main office, Bedford
- Dr. Dainiak: ABIM board certified, “Top Doctor” in NH Magazine, 2018–2024
- Procedures also available at the #1-ranked ambulatory surgery center in New England (Newsweek, 2026)
- Independent-practice care model focused on patient choice
Frequently asked questions
Do I need to travel to Bedford for my colonoscopy if I live near Merrimack?
Not necessarily. Endoscopy procedures are performed at Bedford Gastroenterology’s main office, Bedford.
Is Bedford Gastroenterology accepting new patients from Merrimack?
Yes, Dr. Dainiak welcomes new patients from Merrimack and the surrounding area.
What insurance does Bedford Gastroenterology accept?
Most major insurance plans are accepted. Visit our Insurance & Billing page for details or call the office to confirm your coverage.
How do I schedule a colonoscopy from Merrimack?
Call (603) 367-3064 or request an appointment online. Most patients start with a consultation before scheduling their procedure.
What are common signs I should see a GI doctor?
Persistent heartburn, abdominal pain, changes in bowel habits, or blood in the stool are all reasons to schedule an evaluation.