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

Janelle Langlais, RD, LDN

Individual provider Registered Dietitian · NPI 1336505122

Janelle Langlais, RD, LDN is a Registered Dietitian in Portsmouth, New Hampshire. Practices as a sole proprietor. Licensed in New Hampshire.

Licensed in
NH
In the registry since
2016
What do these letters mean?
RD — Registered Dietitian
A credentialed nutrition professional.
LDN — Licensed Dietitian Nutritionist
A state-licensed dietitian nutritionist.

See every abbreviation used in this directory →

Practice location Address checks out

15 Rye St Ste Number 225
Portsmouth, NH 03801-6829
Phone: (888) 320-1776
Fax: (617) 507-8576
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Registered Dietitian (primary) Taxonomy 133V00000X · Licence 0791 (NH)

Record details

NPI number1336505122
Entity typeIndividual (Type 1)
GenderFemale
Credentials RD , LDN
Sole proprietorYes
NPI enumeratedJanuary 8, 2016
Last updated in NPPESMay 26, 2016

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