Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Mary-Kate Nelson, RDN, LDN

Individual provider Registered Dietitian · NPI 1558933622

Mary-Kate Nelson, RDN, LDN is a Registered Dietitian OR Nutrition Professional in Butler, Pennsylvania. Qualified in 2018, 8 years ago. Practices with No Diet Dietitian LLC, a 17-clinician group and accepts Medicare assignment.

Years since qualifying
8
In the registry since
2021
What do these letters mean?
RDN — Registered Dietitian Nutritionist
The current title for a registered dietitian.
LDN — Licensed Dietitian Nutritionist
A state-licensed dietitian nutritionist.

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Practice location Address checks out

353 N Duffy Rd
Butler, PA 16001-1138
Phone: (800) 036-2826
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Registered Dietitian (primary) Taxonomy 133V00000X

Record details

NPI number1558933622
Entity typeIndividual (Type 1)
GenderFemale
Credentials RDN , LDN
Sole proprietorNo
NPI enumeratedJuly 16, 2021
Last updated in NPPESJuly 16, 2021
Certification dateJuly 16, 2021

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyREGISTERED DIETITIAN OR NUTRITION PROFESSIONAL
Medical schoolOTHER
Graduated 2018 (8 years in practice)
Group practice No Diet Dietitian Llc — 17 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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