WENDY DEMLER APN
NPI 1023533122
Nurse Practitioner in Rockford, IL
About Wendy Demler Apn NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WENDY DEMLER APN (NPI 1023533122) is an individual nurse practitioner in Rockford, Illinois, licensed in Illinois (209016190) and active in the NPI registry since August 2017. She is enrolled in Medicare PECOS and is a graduate of Other (2016).
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
Wendy Demler Apn 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 Reassignment
Medicare enrollment records show Wendy Demler reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Elgin, IL 60123
- Reassigned Medicare billing, Illinois enrollment
- 66 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 2
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 61107 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 6
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 Wendy Demler's NPI number?
The NPI number for Wendy Demler is 1023533122. It was assigned to this individual provider in the NPPES registry on August 9, 2017.
Where is Wendy Demler located?
Wendy Demler practices at 6830 Villagreen Vw, Rockford, IL 61107. The listed phone number is (815) 282-1339.
What is Wendy Demler's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Wendy Demler enrolled in Medicare?
Yes. Wendy Demler 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 organization bills Medicare for Wendy Demler's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Wendy Demler reassigns Medicare benefits to Chestnut Health Of Illinois LLC (Elgin, 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 Wendy Demler'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 Wendy Demler was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.