Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MARY KATHERINE WILLIS RDN
NPI 1669333704
Dietitian, Registered in Wilmington, NC

Q: What is Mary Katherine Willis's NPI number?

The NPI number for Mary Katherine Willis is 1669333704. It was assigned to this individual provider in the NPPES registry on November 19, 2025.

Q: What is Mary Katherine Willis's specialty?

The primary specialty registered for this NPI is Dietitian, Registered with taxonomy code 133V00000X.

Active since November 19, 2025

305 BRETONSHIRE RD, WILMINGTON, NC 28405(252) 229-1870 Get Directions Write a Review

NPPES record last updated: September 25, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 25, 2026, Nov 19, 2025 (2 updates tracked since 2025).

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About Mary Katherine Willis Rdn NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARY KATHERINE WILLIS RDN (NPI 1669333704) is an individual dietitian, registered in Wilmington, North Carolina and active in the NPI registry since November 2025.

NPPES Registry Identity

NPI1669333704

Entity TypeIndividualFemale

Primary Taxonomy133V00000X

Provider Legal NameMARY KATHERINE WILLISCredential: RDN

Location Address305 BRETONSHIRE RDWilmington, NC 28405-4005

Mailing Address2559 Croquet Dr Unit 8Wilmington, NC 28412-5178 · (252) 229-1870

Phone(252) 229-1870

Sole ProprietorNo

Enumeration DateNovember 19, 2025

Last NPPES UpdateSeptember 25, 20262 updates tracked since enumeration

NPPES CertifiedSeptember 25, 2026

✔ NPI 1669333704 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDietitian, RegisteredDietary & Nutritional Service Providers

Taxonomy Code133V00000X

Definition

A Registered Dietitian (RD)/Registered Dietitian Nutritionist (RDN) is an individual uniquely trained in the science of nutrition and practice of dietetics to design and provide medical nutrition therapy (MNT) and other evidence-based applications of the Nutrition Care Process (NCP) that exemplify the profession's systematic approach to providing high quality nutrition care. Registered dietitians provide MNT for the purpose of disease prevention or management, or to treat or rehabilitate an illness, injury, or condition, with the use of specific, indicated physical and cognitive nutrition care services comprised of one or more of the following aspects of the NCP: nutrition assessment/reassessment, nutrition diagnosis, nutrition intervention (e.g., nutrition counseling, therapeutic diet ordering, and nutrition education) and nutrition monitoring and evaluation.

305 BRETONSHIRE RD, Wilmington, NC 28405

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Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mary Katherine Willis's NPI number?

The NPI number for Mary Katherine Willis is 1669333704. It was assigned to this individual provider in the NPPES registry on November 19, 2025.

Where is Mary Katherine Willis located?

Mary Katherine Willis practices at 305 Bretonshire Rd, Wilmington, NC 28405. The listed phone number is (252) 229-1870.

What is Mary Katherine Willis's specialty?

The primary specialty registered for this NPI is Dietitian, Registered with taxonomy code 133V00000X.

When was this NPI record last updated?

The NPPES record for Mary Katherine Willis was last updated on September 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 31 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.