STEPHEN WESTHAFER
NPI 1093550436
Nurse Practitioner - Family in Canton, IL
About Stephen Westhafer NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEPHEN WESTHAFER (NPI 1093550436) is an individual family provider in Canton, Illinois, licensed in Illinois (209030043) and active in the NPI registry since June 2024. He is enrolled in Medicare PECOS, is affiliated with Graham Hospital Association, and is a graduate of Other (2024).
NPPES Registry Identity
Specialties & Licenses 2
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
Stephen Westhafer 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
5Medicare enrollment records show Stephen Westhafer reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Canton, IL 61520
- Reassigned Medicare billing, Illinois enrollment
- 134 clinicians in this Medicare group
Pekin, IL 61554
- Reassigned Medicare billing, Illinois enrollment
- 92 clinicians in this Medicare group
Peoria, IL 61603
- Reassigned Medicare billing, Illinois enrollment
- Also billed through NPI 1265966048 (Illinois)
- 693 clinicians in this Medicare group
Peoria, IL 61614
- Reassigned Medicare billing, Illinois enrollment
- 90 clinicians in this Medicare group
Urbana, IL 61801
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: Carle Health Care Incorporated
- 2,516 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 4
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Graham Hospital Association
Acute Care Hospitals · Canton, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 61520 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 Stephen Westhafer's NPI number?
The NPI number for Stephen Westhafer is 1093550436. It was assigned to this individual provider in the NPPES registry on June 27, 2024.
Where is Stephen Westhafer located?
Stephen Westhafer practices at 180 S Main St, Canton, IL 61520. The listed phone number is (309) 647-0201.
What is Stephen Westhafer's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Stephen Westhafer enrolled in Medicare?
Yes. Stephen Westhafer 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 Stephen Westhafer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Westhafer reassigns Medicare benefits to 5 organizations: Graham Hospital Association (Canton, IL), Epss LLC - Central Series (Pekin, IL), Methodist Medical Center Of Illinois (Peoria, IL), Epss Peoria LLC (Peoria, IL) and Carle Health Medical Group (Urbana, 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 Stephen Westhafer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Stephen Westhafer accept?
Health plans from Ambetter Health and Ambetter Health of Delaware list Stephen Westhafer 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.
Is Stephen Westhafer affiliated with any hospitals?
According to CMS data, Stephen Westhafer is affiliated with Graham Hospital Association.
When was this NPI record last updated?
The NPPES record for Stephen Westhafer was last updated on September 4, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.