Granite State Gastroenterology
Gastroenterology • Derry, NH
About
Granite State Gastroenterology is a GI clinic based in Derry, NH, with five offices across New Hampshire. They specialize in general gastrointestinal disorders, inflammatory bowel disease (IBD), esophageal motility disorders, liver disease, and hepatitis C treatment, emphasizing patient choice and clear communication. Key details: - Headquarters: 6 Tsienneto Rd Ste 301, Derry, NH - Other locations: Raymond, Windham, Bedford (NH) - Services: GI disorders, IBD care, liver disease, esophageal motility disorders, hepatitis C treatment - Team: 13 employees; Managing Partner/GI specialist Leon McLean; Director of Operations Jennifer Marshall - Contact: multiple NH phone numbers; main site granitegastro.com - Notable attributes: patient-focused care, emphasis on communication and patient choice If you’re specifically seeking an IBD-focused GI clinic in Derry, Granite State Gastroenterology provides IBD care within their general GI services and liver disease/hepatitis treatment offerings.
Clinic Type
Gastroenterology
Address
6 Tsienneto Rd Ste 301, Derry, New Hampshire 03038, US
Phone
603-432-8802
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Opening Hours
Not published — contact the clinic to confirm hours.
Website
Services Offered
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Insurance & Payment
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Languages Spoken
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Current Offers
Appointment Request
Social Media
Photos
What Patients Say
Overall sentiment across review platforms: positive
- Birdeye (Aggregate of Google reviews): 5.0/5.0 (based on 73 reviews) (73 reviews)
- rater8 (Practice-wide): 4.8/5.0 (10 ratings)
- WebMD (for Dr. Christopher Dainiak): 4.5/5.0 (23 ratings)
Patients praise
- thorough and helpful care
- professional and personable staff
- clear explanations from providers
- timely appointment scheduling
Common complaints
- some reports of negative experiences, though general feedback is limited in detail
"Very thorough and helpful. Addresses everything and explains comletely."
— rater8 review for Dr. Laura Horton"Stephanie Lynch was very helpful and personable. She helped me in getting an appointment in a timely fashion"
— Birdeye review for Granite State Gastroenterology"Allison was professional and informative. Her demeanor put me at ease which allowed for me to ask questions without feeling nervous."
— rater8 review for Allison Anastasoff, APRNSynthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].
In the News
Information sourced from the clinic's website as of July 11, 2026.
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