ARYN LYNN SHAY APN-CNP
NPI 1295254993
Nurse Practitioner in Skokie, IL
About Aryn Lynn Shay Apn-cnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ARYN LYNN SHAY APN-CNP (NPI 1295254993) is an individual nurse practitioner in Skokie, Illinois, licensed in Illinois (277.001521) and active in the NPI registry since September 2017. She is enrolled in Medicare PECOS, is affiliated with Northshore University Healthsystem - Evanston Hospital, and is a graduate of Other (2017).
NPPES Registry Identity
Specialties & Licenses
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
Aryn Lynn Shay Apn-cnp 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 Reassignments
2Medicare enrollment records show Aryn Shay reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Evanston, IL 60201
- Reassigned Medicare billing, Illinois enrollment
- 4,841 clinicians in this Medicare group
Madison, WI 53717
- Reassigned Medicare billing, Wisconsin enrollment
- 422 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.
Areas of Expertise CMS Part B claims 5
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Northshore University Healthsystem - Evanston Hospital
Acute Care Hospitals · Evanston, ILSwedish Hospital
Acute Care Hospitals · Chicago, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60077 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
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 Aryn Shay's NPI number?
The NPI number for Aryn Shay is 1295254993. It was assigned to this individual provider in the NPPES registry on September 13, 2017.
Where is Aryn Shay located?
Aryn Shay practices at 9977 Woods Dr Ste 100, Skokie, IL 60077. The listed phone number is (224) 364-2273.
What is Aryn Shay's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Aryn Shay enrolled in Medicare?
Yes. Aryn Shay 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 organizations bill Medicare for Aryn Shay's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Aryn Shay reassigns Medicare benefits to 2 organizations: Endeavor Health Medical Group (Evanston, IL) and Group Health Cooperative Of South Central Wisconsin (Madison, WI). 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 Aryn Shay's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Aryn Shay affiliated with any hospitals?
According to CMS data, Aryn Shay is affiliated with Northshore University Healthsystem - Evanston Hospital and Swedish Hospital.
When was this NPI record last updated?
The NPPES record for Aryn Shay was last updated on June 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months 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.