ELLEN HAN NATHANSON APRN, CNP
NPI 1417398777
Nurse Practitioner in Evanston, IL
About Ellen Han Nathanson Aprn, Cnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ELLEN HAN NATHANSON APRN, CNP (NPI 1417398777) is an individual nurse practitioner in Evanston, Illinois, licensed in Illinois (209022372) and active in the NPI registry since July 2013. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
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 (PECOS)
Ellen Han Nathanson Aprn, Cnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Ellen Nathanson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Carol Stream, IL 60122
- Reassigned Medicare billing, Illinois enrollment
- 4,817 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 60208 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.
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 Ellen Nathanson's NPI number?
The NPI number for Ellen Nathanson is 1417398777. It was assigned to this individual provider in the NPPES registry on July 15, 2013. The provider is also known as Ellen A. Hansen Crnp.
Where is Ellen Nathanson located?
Ellen Nathanson practices at 633 Emerson St, Evanston, IL 60208. The listed phone number is (847) 491-8100.
What is Ellen Nathanson's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Ellen Nathanson enrolled in Medicare?
Yes. Ellen Nathanson is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Ellen Nathanson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ellen Nathanson reassigns Medicare benefits to Northwestern Medical Faculty Foundation (Carol Stream, IL). 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 Ellen Nathanson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ellen Nathanson accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list Ellen Nathanson 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 Ellen Nathanson was last updated on January 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 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.