KATHERYN ELIZABETH WILLEY MS RD LD CDCES
NPI 1669120267
Dietitian, Registered in West Middlesex, PA

Active since March 13, 2022
3974 LONGVIEW RD, WEST MIDDLESEX, PA 16159(724) 977-5527 Get Directions Write a Review

NPPES record last updated: November 4, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Nov 4, 2022, Mar 13, 2022 (2 updates tracked since 2022).

About Katheryn Elizabeth Willey Ms Rd Ld Cdces NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

KATHERYN ELIZABETH WILLEY MS RD LD CDCES (NPI 1669120267) is an individual dietitian, registered in West Middlesex, Pennsylvania, licensed in (86050109) and active in the NPI registry since March 2022. She maintains a secondary practice location in Southington.

NPPES Registry Identity

NPI1669120267
Entity TypeIndividualFemale
Primary Taxonomy133V00000X
Provider Legal NameKATHERYN ELIZABETH WILLEYCredential: MS RD LD CDCES
Location Address3974 LONGVIEW RDWest Middlesex, PA 16159-2912
Mailing Address3974 Longview RdWest Middlesex, PA 16159-2912 · (724) 977-5527
Sole ProprietorYes
Enumeration DateMarch 13, 2022
Last NPPES UpdateNovember 4, 20222 updates tracked since enumeration
NPPES CertifiedNovember 4, 2022
✔ NPI 1669120267 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDietitian, RegisteredDietary & Nutritional Service Providers
Taxonomy Code133V00000X
License✔ Licensed · 86050109
Definition
A Registered Dietitian (RD)/Registered Dietitian Nutritionist (RDN) is an individual uniquely trained in the science of nutrition and practice of dietetics to design and provide medical nutrition therapy (MNT) and other evidence-based applications of the Nutrition Care Process (NCP) that exemplify the profession's systematic approach to providing high quality nutrition care. Registered dietitians provide MNT for the purpose of disease prevention or management, or to treat or rehabilitate an illness, injury, or condition, with the use of specific, indicated physical and cognitive nutrition care services comprised of one or more of the following aspects of the NCP: nutrition assessment/reassessment, nutrition diagnosis, nutrition intervention (e.g., nutrition counseling, therapeutic diet ordering, and nutrition education) and nutrition monitoring and evaluation.
3974 LONGVIEW RD, West Middlesex, PA 16159

Other Names 1

Former Name (1)Katheryn Willey Cathcart Ms Rd Ld

Secondary Practice Location 1

Location 12629 Barclay Messerly RdSouthington, OH 44470-9718 · Phone (724) 977-5527

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Katheryn Elizabeth Willey Ms Rd Ld Cdces is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignments

2

Medicare enrollment records show Katheryn Willey reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Dietitian, Registered
3974 LONGVIEW RD
West Middlesex, PA 16159
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 4 clinicians in this Medicare group
Dietitian, Registered
3 CREEK PKWY # 100
Upper Chichester, PA 19061
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 17 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.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Dietitian, Registered
3974 LONGVIEW RD
WEST MIDDLESEX, PA 16159

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 Katheryn Willey's NPI number?

The NPI number for Katheryn Willey is 1669120267. It was assigned to this individual provider in the NPPES registry on March 13, 2022. The provider is also known as Katheryn Willey Cathcart Ms Rd Ld.

Where is Katheryn Willey located?

Katheryn Willey practices at 3974 Longview Rd, West Middlesex, PA 16159. The listed phone number is (724) 977-5527.

What is Katheryn Willey's specialty?

The primary specialty registered for this NPI is Dietitian, Registered with taxonomy code 133V00000X.

Is Katheryn Willey enrolled in Medicare?

Yes. Katheryn Willey is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Katheryn Willey's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Katheryn Willey reassigns Medicare benefits to 2 organizations: Simply Science Nutrition Counseling LLC (West Middlesex, PA) and Diamond Nutrition Counseling, Inc (Upper Chichester, PA). Each 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 Katheryn Willey's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Katheryn Willey accept?

Health plans from Anthem Blue Cross and Blue Shield and CareSource list Katheryn Willey 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 Katheryn Willey was last updated on November 4, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.