Londonderry Gastroenterology Associates PA
NPI 1851782312 · Gastroenterology Physician · Derry, NH
Londonderry Gastroenterology Associates PA is a Gastroenterology Physician organization in Derry, NH (NPI 1851782312).
Provider details
- NPI number
- 1851782312
- Entity type
- Organization
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Mark Detweiler, Owner of Practice(603) 744-9430
- License
- 6919 (NH)
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
11 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
- 2015-02-05
- Last updated
- 2015-02-05
Frequently asked questions
- What is Londonderry Gastroenterology Associates PA's NPI number?
- Londonderry Gastroenterology Associates PA's National Provider Identifier (NPI) is 1851782312, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Londonderry Gastroenterology Associates PA?
- Londonderry Gastroenterology Associates PA is classified in the NPPES registry as Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Londonderry Gastroenterology Associates PA located?
- Londonderry Gastroenterology Associates PA's practice location on file with NPPES is 44 Birch St, Derry, NH 03038-2752.
- What is Londonderry Gastroenterology Associates PA's phone number?
- The practice phone number listed in the NPPES registry for Londonderry Gastroenterology Associates PA is (603) 818-4712.
- Who is the authorized official for Londonderry Gastroenterology Associates PA?
- The authorized official listed on Londonderry Gastroenterology Associates PA's NPPES record is Mark Detweiler, Owner of Practice. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Londonderry Gastroenterology Associates PA's NPI active?
- Yes — Londonderry Gastroenterology Associates PA's NPI (1851782312) is active in the NPPES registry as of the last update on 2015-02-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.