CASEY DAVID WILLIAMS FNP
NPI 1992670053
Nurse Practitioner - Primary Care in Roanoke, IL
About Casey David Williams Fnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CASEY DAVID WILLIAMS FNP (NPI 1992670053) is an individual primary care provider in Roanoke, Illinois, licensed in Illinois (209.033457) and active in the NPI registry since October 2025. He is enrolled in Medicare PECOS, is affiliated with Saint Francis Medical Center, and is a graduate of Other (2025).
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
Casey David Williams Fnp 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 Casey Williams reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Peoria, IL 61615
- Reassigned Medicare billing, Illinois enrollment
- 2,944 clinicians in this Medicare group
Pontiac, IL 61764
- Reassigned Medicare billing, Illinois enrollment
- 130 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Saint Francis Medical Center
Acute Care Hospitals · Peoria, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 61561 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 Casey Williams's NPI number?
The NPI number for Casey Williams is 1992670053. It was assigned to this individual provider in the NPPES registry on October 8, 2025.
Where is Casey Williams located?
Casey Williams practices at 401 N Main St, Roanoke, IL 61561. The listed phone number is (309) 923-2661.
What is Casey Williams's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Primary Care, with taxonomy code 363LP2300X.
Is Casey Williams enrolled in Medicare?
Yes. Casey 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 Casey Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Casey Williams reassigns Medicare benefits to 2 organizations: Osf Multi-Specialty Group (Peoria, IL) and Saint James Hospital (Pontiac, 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 Casey Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Casey Williams affiliated with any hospitals?
According to CMS data, Casey Williams is affiliated with Saint Francis Medical Center.
When was this NPI record last updated?
The NPPES record for Casey Williams was last updated on October 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Casey David Williams, FNP · NPI 1992670053
Primary Care physician in Roanoke, Illinois. Individual provider, active in the CMS NPPES registry since October 8, 2025.
## Identity
- **NPI:** 1992670053 (Entity type: Individual)
- **Enumerated:** October 8, 2025
- **Primary specialty:** Nurse Practitioner - Primary Care · taxonomy 363LP2300X
- **State license:** 209.033457 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 401 N MAIN ST, Roanoke, IL 61561-7585
- **Phone:** (309) 923-2661
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Osf Multi-Specialty Group (NPI 1154908929, Peoria, IL); Saint James Hospital (NPI 1790735421, Pontiac, IL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2025
## Record status
- **NPPES last updated:** October 8, 2025
---
Source: [NPI Profile](https://npiprofile.com/npi/1992670053) · Data from the CMS NPPES public registry.