Mary Katherine Willis, RDN
NPI 1669333704 · Registered Dietitian · Wilmington, NC
Enrolled with Medicare as Practitioner - Registered Dietitian Or Nutrition Professional · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Katherine Willis, RDN is a Registered Dietitian provider in Wilmington, NC (NPI 1669333704).
Provider details
- NPI number
- 1669333704
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- RDN
- Sole proprietor
- No
Specialties & taxonomies
Dietary & Nutritional Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2025-11-19
- Last updated
- 2025-11-19
- Certified
- 2025-11-19
Frequently asked questions
- What is Mary Katherine Willis's NPI number?
- Mary Katherine Willis's National Provider Identifier (NPI) is 1669333704, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Katherine Willis's specialty?
- Mary Katherine Willis is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Mary Katherine Willis located?
- Mary Katherine Willis's practice location on file with NPPES is 2517 Delaney Ave, Wilmington, NC 28403-6003.
- What is Mary Katherine Willis's phone number?
- The practice phone number listed in the NPPES registry for Mary Katherine Willis is (910) 239-3562.
- Does Mary Katherine Willis accept Medicare?
- Mary Katherine Willis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Katherine Willis's NPI active?
- Yes — Mary Katherine Willis's NPI (1669333704) is active in the NPPES registry as of the last update on 2025-11-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.