Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Katelyn Ariagno, RD, LDN

Registered Dietitian in Boston, MA · enumerated 2006.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1508933128

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Registry record

Entity type Individual (Type 1)

Name Katelyn Ariagno

Credential RD, LDN

Sex Female

Practice address 300 Longwood Ave, Children'S Hospital Boston, Clinical Nutrition Services, Boston, MA, 02115

Phone (617) 355-7382

Fax (617) 730-0496

Enumeration date Nov 29, 2006

Last updated in NPPES Aug 27, 2008

Taxonomy & licenses

133VN1004X Pediatric Nutrition Registered Dietitian Dietary & Nutritional Service Providers · License LDN00585 (RI) Secondary

133V00000X Registered Dietitian Dietary & Nutritional Service Providers · License 000002757 (MA) Primary

RD · Registered Dietitian: A nutrition professional credentialed by the Commission on Dietetic Registration. About the RD credential

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What specialty is Katelyn Ariagno?

Katelyn Ariagno is registered in NPPES with the primary taxonomy of Registered Dietitian. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-08-27.