Mary-Kate Nelson, RDN, LDN
Registered Dietitian · Butler, PA
Mary-Kate Nelson, RDN, LDN is a registered dietitian with a practice address in Butler, Pennsylvania, and NPI 1558933622, issued on Jul 16, 2021. Check the license with the Pennsylvania board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary-Kate Nelson
- Credential
- RDN, LDN
- Primary taxonomy
- Registered Dietitian 133V00000X
- Practice location
- 353 N Duffy RD, Butler, PA 16001
- Phone
- (800) 036-2826
- Enumerated
- Jul 16, 2021
- Record last updated
- Jul 16, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20250722001179); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 353 N Duffy RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Paul AbbottMedical Physician Assistant1114903093
- Diego Araujo, LCSWClinical Social Worker1013611144
- Emily Beahm, LCSWClinical Social Worker1295607075
- Cheryl CaporaliRegistered Nurse1659239168
- Jessica Carpenter-Brittner, RNGeneral Practice Registered Nurse1942926050
- John Casteel, CRNP, DNP-FNPFamily Nurse Practitioner1477108280
Verify Mary-Kate Nelson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Pennsylvania board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- NO Diet Dietitian LLCBurlington, VT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
23 registered dietitian records list a practice address in Butler
They are 23 of the 1,139 NPPES records with a practice address in Butler, and 3,083 registered dietitian records in Pennsylvania.
All 23 in Butler → All 3,083 in Pennsylvania → Every provider in Butler →
Other registered dietitian records in Pennsylvania
- Andrea Abbe, LDNHershey, PA1366623795
- Danielle AbermanMalvern, PA1003272188
- Nora AbrahamHorsham, PA1346093614
- Christina Abriola, R.D.Pittsburgh, PA1356647507
- Melissa Accardi, MS, RD, LDNPittsburgh, PA1336768951
- Marie AceboLancaster, PA1053347757
- Jennifer Acevedo, RDAllentown, PA1538532882
- Emily Achey, MS, RDNewmanstown, PA1730724360
- Jami Ackerman, RDN LDNEnola, PA1790717924
- Rachel Ackley, RDN, LDNAllentown, PA1003589300
Common questions
What is Mary-Kate Nelson, RDN, LDN's NPI number?
Mary-Kate Nelson, RDN, LDN's National Provider Identifier (NPI) is 1558933622, issued on Jul 16, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Mary-Kate Nelson, RDN, LDN located?
The NPPES record lists a practice address at 353 N Duffy RD, Butler, PA, 16001. Phone: (800) 036-2826. Providers update this record themselves, so call before visiting.
How can I verify Mary-Kate Nelson, RDN, LDN's license?
Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.