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

Individual provider Registered Dietitian · NPI 1508113036

Martha Belknap, RD, CDN is a Registered Dietitian in Southampton, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2012
What do these letters mean?
RD — Registered Dietitian
A credentialed nutrition professional.

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Practice location Address checks out

240 Meeting House Ln
Southampton, NY 11968-5009
Phone: (631) 726-8626
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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 006692-1 (NY)

Record details

NPI number1508113036
Entity typeIndividual (Type 1)
GenderFemale
Credentials RD , CDN
Sole proprietorYes
NPI enumeratedAugust 15, 2012
Last updated in NPPESAugust 15, 2012

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