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

Margaret L. Hayner, RD

Individual provider Registered Dietitian · NPI 1922165638

Margaret L. Hayner, RD is a Registered Dietitian in Portsmouth, New Hampshire. Practices as a sole proprietor. Licensed in New Hampshire.

Licensed in
NH
In the registry since
2007
What do these letters mean?
RD — Registered Dietitian
A credentialed nutrition professional.

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Practice location Address checks out

155 Griffin Rd
Portsmouth, NH 03801-4125
Phone: (603) 431-7523
Fax: (603) 436-3496
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Registered Dietitian (primary) Taxonomy 133V00000X · Licence 154 (NH)

Record details

NPI number1922165638
Entity typeIndividual (Type 1)
GenderFemale
Credentials RD
Sole proprietorYes
NPI enumeratedJanuary 2, 2007
Last updated in NPPESJuly 8, 2007

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