Contact Granite State Gastroenterology — NH GI Clinic
Gastroenterology • Berlin, NH • multiple locations
About
Granite State Gastroenterology is a New Hampshire-based GI clinic with 5 offices (including its headquarters at 6 Tsienneto Rd, Derry). They offer services in general GI disorders, inflammatory bowel disease, esophageal motility disorders, liver disease, and hepatitis C treatment. Key contact numbers include multiple NH lines: (603) 437-0118, (603) 432-8802, (603) 752-6474, and (603) 752-2300. They emphasize patient choice and communication, with a small team (about 13 employees) led by Managing Partner Gastroenterologist Leon McLean. If you’re seeking to contact them specifically for Berlin, NH, note that their listed locations are in Derry, Raymond, Windham, and Bedford; there is no Berlin, NH clinic listed. Consider calling one of the NH numbers or visiting granitegastro.com to connect with the closest office.
Clinic Type
Gastroenterology
Address
160 S. River Road, Bedford, NH 03110
Phone
Bedford: (603) 432-8802; Berlin: (603) 752-2300; Londonderry: (603) 432-8802; Raymond: (603) 432-8802; Windham: (603) 432-8802
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Opening Hours
The Londonderry office is open 8am – 5pm, Monday – Friday. All other sites’ office hours vary from week to week.
Services Offered
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Insurance & Payment
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Languages Spoken
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FAQs
What are your office hours?
The Londonderry office is open 8am – 5pm, Monday – Friday. All other sites’ office hours vary from week to week.
How do I contact you with questions?
Please use Klara secure messaging to contact us with any questions. Simply click on the purple chat bubble in the bottom right corner and follow the directions!
Social Media
Photos




What Patients Say
Overall sentiment across review platforms: mixed
- WebMD Care: 4.5/5 (6 ratings (Dr. Leon Mclean))
- Birdeye: 5/5 (73 reviews)
- Yelp (Derry): 2.3/5 (7 reviews)
Patients praise
- Professional and friendly staff in some interactions
- Thorough care and clear instructions from certain providers (e.g., Stephanie Lynch, PA-C)
- Positive experiences with routine procedures like colonoscopies
Common complaints
- Concerns regarding communication with providers and feeling unheard
- Difficulty with scheduling follow-up appointments
- Concerns about the quality of care provided by physician assistants vs. doctors
- Negative feedback regarding billing or lack of responsiveness to patient inquiries
"Dr McLean doesn't listen to his patients. He did nothing to alleviate pain and suffering nor did he come up with an effective treatment plan."
— Vitals (Dr. Leon Mclean)"Stephanie Lynch was very helpful and personable. She helped me in getting an appointment in a timely fashion"
— Birdeye (Stephanie Lynch, PA-C)Synthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].
In the News
- Bravo pH Probe Study in Bedford, NH and Londonderry, NH | Granite State Gastroenterology — Dec 1, 2025
- 🏥 Multiple Healthcare Openings in Berlin, NH – Nurses & Practitioners - NewsBreak — Jun 27, 2026
- Dr. Gunjan Panesar, MD - Internal Medicine Physician in Manchester, NH — May 14, 2026
- Dr. Bassi joins TidalHealth Gastroenterology | New Providers | TidalHealth — Aug 15, 2025
- ConvenientMD Primary Care Expands Portsmouth Team With 3 New Providers | Portsmouth, NH Patch — May 15, 2026
Information sourced from the clinic's website as of July 11, 2026.
More gastroenterology clinics in Berlin
Androscoggin Valley Hospital (AVH) is a nonprofit healthcare provider based in Berlin, New Hampshire, with services across multiple specialties, including gastroenterology. AVH operates a patient portal, offers career opportunities, and provides a wide range of medical services through its facilities in Berlin and surrounding areas. Contact: AVH at (603) 752-2200; email news@avhnh.org.
Pleasant Street Clinic - Coos County Family Health (Berlin, NH) - What it is: A nonprofit primary care and community health clinic operated by Coos County Family Health Services, part of a four-site network in northern New Hampshire. - Location: 133 Pleasant Street, Berlin, NH 03570 (Pleasant Street clinic). HQ and other Berlin offices also listed at 54 Willow St and nearby addresses. - Services: Broad primary care and health services offered through the Coos County Family Health network, including pediatrics, prenatal care, family planning, dental, podiatry, women’s health, behavioral health, medical social work, telehealth, and related services. - Organization: Established in 1974; nonprofit with multiple offices across Berlin and Gorham, NH. Headquarters in Berlin, NH. - Contact: Main phone—(603) 752-2040 (also listed as 603-752-2040). If you need driving directions, appointment information, or specific services at the Pleasant Street location, I can pull those details or help you locate the exact contact for that clinic.
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