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

MS. Barbara J Wientzen-Dagenais, RD, CDE, BC-ADM

Individual provider Registered Dietitian · NPI 1104045616

MS. Barbara J Wientzen-Dagenais, RD, CDE, BC-ADM is a Registered Dietitian in Concord, New Hampshire. Practices as a sole proprietor and works from 2 locations. Licensed in New Hampshire.

Licensed in
NH
In the registry since
2007
What do these letters mean?
RD — Registered Dietitian
A credentialed nutrition professional.
CDE — Certified Diabetes Educator
Teaches people to manage diabetes day to day.

See every abbreviation used in this directory →

Practice location Address checks out

250 Pleasant St
Concord, NH 03301-7559
Phone: (603) 227-7000
Fax: (603) 227-7516
Show map & directions

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

Additional practice locations (1)

  • 14a Tsienneto Rd, Derry, NH 03038-1505 — (603) 537-1300

Specialties & licences

Registered Dietitian (primary) Taxonomy 133V00000X · Licence 87 (NH)

Record details

NPI number1104045616
Entity typeIndividual (Type 1)
GenderFemale
Credentials RD , CDE , BC-ADM
Sole proprietorYes
NPI enumeratedApril 24, 2007
Last updated in NPPESJuly 15, 2020
Certification dateJuly 15, 2020

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