MR. NATHAN DOUGLAS HOLLIDAY MS, FNP-BC
NPI 1407464936
Nurse Practitioner - Family in Wilmette, IL
About Mr. Nathan Douglas Holliday Ms, Fnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. NATHAN DOUGLAS HOLLIDAY MS, FNP-BC (NPI 1407464936) is an individual family provider in Wilmette, Illinois, licensed in Illinois (209.021663) and active in the NPI registry since July 2020. He is enrolled in Medicare PECOS.
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 (PECOS)
Mr. Nathan Douglas Holliday Ms, Fnp-bc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Nathan Holliday 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
Lisle, IL 60532
- Reassigned Medicare billing, Illinois enrollment
- 37 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
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60091 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.
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 Nathan Holliday's NPI number?
The NPI number for Nathan Holliday is 1407464936. It was assigned to this individual provider in the NPPES registry on July 21, 2020.
Where is Nathan Holliday located?
Nathan Holliday practices at 3131 Lake Ave Unit C, Wilmette, IL 60091. The listed phone number is (224) 529-1928.
What is Nathan Holliday's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Nathan Holliday enrolled in Medicare?
Yes. Nathan Holliday is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Nathan Holliday's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nathan Holliday reassigns Medicare benefits to 2 organizations: Endeavor Health Medical Group (Evanston, IL) and Wellbe Senior Medical Illinois PC (Lisle, IL). 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 Nathan Holliday's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Nathan Holliday was last updated on July 21, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.