Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mrs. Kristin Williams, RDN, LDN
Registered Dietitian in Plano, TX · enumerated 2017.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1861912347
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Registry record
Entity type Individual (Type 1)
Name Mrs. Kristin Williams
Credential RDN, LDN
Sex Female
Practice address 5400 W Plano Pkwy Ste 210, Plano, TX, 75093
Phone (903) 875-8641
Enumeration date Jun 26, 2017
Last updated in NPPES Jun 26, 2017
Taxonomy & licenses
133V00000X Registered Dietitian Dietary & Nutritional Service Providers · License DT83069 (TX) Primary
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.
Frequently asked questions
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.
What specialty is Kristin Williams?
Kristin Williams 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.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2017-06-26.