MARY-KATE NELSON RDN, LDN
NPI 1558933622
Dietitian, Registered in Butler, PA
About Mary-kate Nelson Rdn, Ldn NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY-KATE NELSON RDN, LDN (NPI 1558933622) is an individual dietitian, registered in Butler, Pennsylvania and active in the NPI registry since July 2021. She is a graduate of Other (2018).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Mary-kate Nelson Rdn, Ldn is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Mary-kate Nelson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Burlington, VT 05401
- Reassigned Medicare billing, Vermont enrollment
- 43 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 16001 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BUTLER, PA 16001
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-kate Nelson's NPI number?
The NPI number for Mary-kate Nelson is 1558933622. It was assigned to this individual provider in the NPPES registry on July 16, 2021. The provider is also known as Mary-Kate Barker.
Where is Mary-kate Nelson located?
Mary-kate Nelson practices at 353 N Duffy Rd, Butler, PA 16001. The listed phone number is (800) 036-2826.
What is Mary-kate Nelson's specialty?
The primary specialty registered for this NPI is Dietitian, Registered with taxonomy code 133V00000X.
Is Mary-kate Nelson enrolled in Medicare?
Yes. Mary-kate Nelson is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Mary-kate Nelson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary-kate Nelson reassigns Medicare benefits to No Diet Dietitian, LLC (Burlington, VT). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mary-kate Nelson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mary-kate Nelson accept?
Health plans from Anthem Blue Cross and Blue Shield list Mary-kate Nelson as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Mary-kate Nelson was last updated on July 16, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.
# Mary-Kate Nelson, RDN, LDN · NPI 1558933622
Dietitian, Registered provider in Butler, Pennsylvania. Individual provider, active in the CMS NPPES registry since July 16, 2021.
## Identity
- **NPI:** 1558933622 (Entity type: Individual)
- **Enumerated:** July 16, 2021
- **Primary specialty:** Dietitian, Registered · taxonomy 133V00000X
- **Sole proprietor:** No
## Practice location
- **Address:** 353 N DUFFY RD, Butler, PA 16001-1138
- **Phone:** (800) 036-2826
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** No Diet Dietitian, LLC (NPI 1689141988, Burlington, VT), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** July 16, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1558933622) · Data from the CMS NPPES public registry.