Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Alyssa Katherine Costantino, MS, RD, LDN

Individual provider Registered Dietitian · NPI 1568290203

Alyssa Katherine Costantino, MS, RD, LDN is a Registered Dietitian in Manchester, New Hampshire. Practices as a sole proprietor. Licensed in Massachusetts and New Hampshire.

Licensed in
MA, NH
In the registry since
2024
Specialties on file
2
What do these letters mean?
MS — Master of Science
A graduate science degree.
RD — Registered Dietitian
A credentialed nutrition professional.
LDN — Licensed Dietitian Nutritionist
A state-licensed dietitian nutritionist.

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Practice location Address checks out

1 Highlander Way
Manchester, NH 03103-7403
Phone: (603) 668-4753
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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 1887 (NH)
Registered Dietitian Taxonomy 133V00000X · Licence LDN7664 (MA)

Record details

NPI number1568290203
Entity typeIndividual (Type 1)
GenderFemale
Credentials MS , RD , LDN
Sole proprietorYes
NPI enumeratedJuly 24, 2024
Last updated in NPPESJuly 24, 2024
Certification dateJuly 24, 2024

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