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

Individual provider Registered Dietitian · NPI 1225836711

Katelyn Colantonio, RDN, LDN is a Registered Dietitian in Boston, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2025.

Licensed in
MA
In the registry since
2025
What do these letters mean?
RDN — Registered Dietitian Nutritionist
The current title for a registered dietitian.
LDN — Licensed Dietitian Nutritionist
A state-licensed dietitian nutritionist.

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Practice location Address checks out

300 Longwood Ave
Boston, MA 02115-5724
Phone: (617) 355-4677
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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 LDN6561 (MA)

Record details

NPI number1225836711
Entity typeIndividual (Type 1)
GenderFemale
Credentials RDN , LDN
Sole proprietorNo
NPI enumeratedMarch 3, 2025
Last updated in NPPESMarch 3, 2025
Certification dateMarch 3, 2025
Mailing address300 Longwood Ave, Boston, MA 02115-5724

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