Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Londonderry Gastroenterology Associates PA

Organization Specialist · NPI 1851318281

Londonderry Gastroenterology Associates PA is a Specialist in Londonderry, New Hampshire. Licensed in New Hampshire. Registered with an NPI since 2006.

Licensed in
NH
In the registry since
2006
What do these letters mean?
PA — Professional association
A form of business registration, not a clinical qualification.

See every abbreviation used in this directory →

Practice location Address checks out

1B Commons Dr Unit 9A
Londonderry, NH 03053-3441
Phone: (603) 818-4712
Fax: (603) 421-6899
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Specialist (primary) Taxonomy 174400000X · Licence 6919 (NH)

Record details

NPI number1851318281
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Mark Detweiler — Physician · (603) 818-4712
NPI enumeratedJuly 15, 2006
Last updated in NPPESOctober 19, 2015
Mailing address1 Commons Dr # B, Unit 9a, Londonderry, NH 03053-3441

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