MS. KATHLEEN EDNA WILLIAMS APRN
NPI 1063418143
Nurse Practitioner in Rockford, IL
About Ms. Kathleen Edna Williams Aprn NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. KATHLEEN EDNA WILLIAMS APRN (NPI 1063418143) is an individual nurse practitioner in Rockford, Illinois, licensed in Illinois (209-004303) and active in the NPI registry since June 2005. She is enrolled in Medicare PECOS, is affiliated with Uw Health, and is a graduate of Other (2001).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 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
Ms. Kathleen Edna Williams Aprn 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 Kathleen Williams reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Rockford, IL 61104
- Reassigned Medicare billing, Illinois enrollment
- 474 clinicians in this Medicare group
Rockford, IL 61103
- Reassigned Medicare billing, Illinois enrollment
- 1,375 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.
Uw Health
Acute Care Hospitals · Rockford, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 61104 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
ROCKFORD, IL 61104
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 Kathleen Williams's NPI number?
The NPI number for Kathleen Williams is 1063418143. It was assigned to this individual provider in the NPPES registry on June 23, 2005.
Where is Kathleen Williams located?
Kathleen Williams practices at 1340 Charles St Ste 201, Rockford, IL 61104. The listed phone number is (779) 696-8799.
What is Kathleen Williams's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Kathleen Williams enrolled in Medicare?
Yes. Kathleen Williams 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 Kathleen Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kathleen Williams reassigns Medicare benefits to 2 organizations: Swedishamerican Hospital (Rockford, IL) and Rockford Health Physicians (Rockford, 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 Kathleen Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Kathleen Williams accept?
Health plans from Aspirus Health Plan and Quartz list Kathleen Williams 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 Kathleen Williams affiliated with any hospitals?
According to CMS data, Kathleen Williams is affiliated with Uw Health.
When was this NPI record last updated?
The NPPES record for Kathleen Williams was last updated on February 18, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.