Granite State Gastroenterology
Gastroenterology • Claremont, NH
About
Granite State Gastroenterology is a New Hampshire GI clinic with 5 offices (including its Derry HQ). They provide general GI care, inflammatory bowel disease (IBD) management, esophageal motility, liver disease treatment, and hepatitis C care. The practice emphasizes patient choice and clear communication, with a team led by Gastroenterologist Managing Partner Leon McLean. Main locations: Derry HQ (6 Tsienneto Rd Ste 301), Raymond, Windham, Bedford, and another Derry address. If you’re specifically seeking GI care or IBD services in Claremont, NH, this clinic lists multiple NH offices but does not show a Claremont location; you may want to contact them to confirm nearest clinic or possible referrals. Contact: (603) 437-0118 or other listed numbers, or visit granitegastro.com.
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
Team
Insurance & Payment
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Languages Spoken
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Current Offers
New patient information
Social Media
Photos
What Patients Say
Overall sentiment across review platforms: mixed
- Birdeye: 5.0 stars (73 reviews)
- Yelp: 2.3 stars (7 reviews (as shown on page))
- rater8 (Granite State Gastrointestinal Consultants overall listing): 4.80 (example listing shows per-clinician ratings, e.g., 4.80 for a provider; varies) (10 ratings shown on that listing page (varies by clinician))
Patients praise
- Care described as thorough, personable, and easy to talk to
- Help with scheduling/appointment in a timely manner
- Clinician concern for patient and clear instructions for solutions
Common complaints
- Concerns about staff/PA knowledge or continuity of care
- Scheduling difficulties for follow-up appointments
- Negative experiences with billing/communication (automated texts)
- Difficulty finding the office / operational issues impacting timeliness
"“Stephanie Lynch was very helpful and personable… She addressed all of my concerns… She gave me clear instructions for different solutions to some of my issues.”"
— Birdeye review snippet for Granite State Gastroenterology (Windham, NH)"“Dr. Dainiak is very nice. Unfortunately, the PA they feed me to knows almost nothing…”"
— MapQuest page for Granite State Gastroenterology (includes review text)"“Being a long standing patient makes absolutely no difference when trying to schedule a follow up…”"
— MapQuest page for Granite State Gastroenterology (includes review text)Synthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].
In the News
- Expanding Our Focus: Launching our NEW "Comprehensive IBD Care Center at GANJ" - Gastroenterology Associates of New Jersey — May 19, 2026
- IBD Drug Guide: Easy access to IBD treatment recommendations - American Gastroenterological Association — Jan 13, 2026
- Gastroenterology Specialist Care and Gastro Diagnostics combine forces to open a GI Hub in Vermont South — Gastroenterology Specialist Care — Mar 31, 2026
- Century Health and Arizona Gastrointestinal Associates Partner to Accelerate Real-World Evidence in IBD and MASH — Jun 23, 2026
- Asante Expands Digestive Health Services with Opening of New Gastroenterology Clinic in Medford — Feb 4, 2026
Information sourced from the clinic's website as of July 11, 2026.
More gastroenterology clinics in Claremont
Valley Regional Hospital in Claremont, NH is a nonprofit, 25-bed hospital with a 24/7 emergency department. Founded in 1893 (originally Cottage Hospital), it provides emergency, primary, medical/surgical care, advanced imaging, rehabilitation, home health, and hospice services. The hospital is the Sullivan County area’s only 24/7 ER facility, handling around 12,500 emergency visits yearly. It emphasizes patient safety and continuous improvement, with active hiring for quality and safety roles (Quality Specialist and Quality Improvement Specialist). The hospital operates from multiple Claremont locations (HQ at 243 Elm St) and is headquartered in Claremont, NH, with historical ties to Canada and a broader regional presence.
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