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

Individual provider Registered Dietitian · NPI 1912416066

MS. Katelyn Castro, MS, RD, LDN is a Registered Dietitian in Newton, Massachusetts. Practices as a sole proprietor. Licensed in Massachusetts.

Licensed in
MA
In the registry since
2017
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

1400 Centre St Ste 207
Newton, MA 02459-2415
Phone: (617) 531-9906
Fax: (508) 302-0507
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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 86031480 (MA)

Record details

NPI number1912416066
Entity typeIndividual (Type 1)
GenderFemale
Credentials MS , RD , LDN
Sole proprietorYes
NPI enumeratedSeptember 20, 2017
Last updated in NPPESJanuary 13, 2020
Certification dateJanuary 13, 2020

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