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

Nancy Gruenfelder, RDN

Individual provider Registered Dietitian · NPI 1578291910

Nancy Gruenfelder, RDN is a Registered Dietitian in Rye Brook, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2022
What do these letters mean?
RDN — Registered Dietitian Nutritionist
The current title for a registered dietitian.

See every abbreviation used in this directory →

Practice location Address checks out

68 Greenway Ln
Rye Brook, NY 10573-1514
Phone: (914) 479-9653
Show map & directions

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

Specialties & licences

Registered Dietitian (primary) Taxonomy 133V00000X · Licence 008903 (NY)

Record details

NPI number1578291910
Entity typeIndividual (Type 1)
GenderFemale
Credentials RDN
Sole proprietorYes
NPI enumeratedAugust 12, 2022
Last updated in NPPESAugust 12, 2022
Certification dateAugust 12, 2022

Other providers in Rye Brook