Mary-Kate Nelson, RDN, LDN
NPI 1558933622 · Registered Dietitian · Butler, PA
Enrolled with Medicare as Practitioner - Registered Dietitian Or Nutrition Professional · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary-Kate Nelson, RDN, LDN is a Registered Dietitian provider in Butler, PA (NPI 1558933622).
Provider details
- NPI number
- 1558933622
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- RDN, LDN
- Sex
- Female
- 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
4 yrs in NPPES 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
- 2021-07-16
- Last updated
- 2021-07-16
- Certified
- 2021-07-16
Frequently asked questions
- What is Mary-Kate Nelson's NPI number?
- Mary-Kate Nelson's National Provider Identifier (NPI) is 1558933622, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary-Kate Nelson's specialty?
- Mary-Kate Nelson is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Mary-Kate Nelson located?
- Mary-Kate Nelson's practice location on file with NPPES is 353 N Duffy Rd, Butler, PA 16001-1138.
- What is Mary-Kate Nelson's phone number?
- The practice phone number listed in the NPPES registry for Mary-Kate Nelson is (800) 036-2826.
- Does Mary-Kate Nelson accept Medicare?
- Mary-Kate Nelson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary-Kate Nelson's NPI active?
- Yes — Mary-Kate Nelson's NPI (1558933622) is active in the NPPES registry as of the last update on 2021-07-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.