Granite State Gastrointestinal Consultants PLLC
NPI 1942214457 · Gastroenterology Physician · Londonderry, NH
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Granite State Gastrointestinal Consultants PLLC is a Gastroenterology Physician organization in Londonderry, NH (NPI 1942214457).
Provider details
- NPI number
- 1942214457
- Entity type
- Organization
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Leon Mclean, Physician Co Owner(603) 432-8802
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-28
- Last updated
- 2024-11-12
- Certified
- 2024-11-12
Frequently asked questions
- What is Granite State Gastrointestinal Consultants PLLC's NPI number?
- Granite State Gastrointestinal Consultants PLLC's National Provider Identifier (NPI) is 1942214457, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Granite State Gastrointestinal Consultants PLLC?
- Granite State Gastrointestinal Consultants PLLC is classified in the NPPES registry as Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Granite State Gastrointestinal Consultants PLLC located?
- Granite State Gastrointestinal Consultants PLLC's practice location on file with NPPES is 50 Michels Way, Londonderry, NH 03053.
- What is Granite State Gastrointestinal Consultants PLLC's phone number?
- The practice phone number listed in the NPPES registry for Granite State Gastrointestinal Consultants PLLC is (603) 432-8802.
- Does Granite State Gastrointestinal Consultants PLLC accept Medicare?
- Granite State Gastrointestinal Consultants PLLC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Granite State Gastrointestinal Consultants PLLC?
- The authorized official listed on Granite State Gastrointestinal Consultants PLLC's NPPES record is Leon Mclean, Physician Co Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Granite State Gastrointestinal Consultants PLLC's NPI active?
- Yes — Granite State Gastrointestinal Consultants PLLC's NPI (1942214457) is active in the NPPES registry as of the last update on 2024-11-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.