COURTNEY LYNN WILLIAMS ACNPC-AG
NPI 1922898493
Nurse Practitioner - Acute Care in Buchanan, MI
About Courtney Lynn Williams Acnpc-ag NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
COURTNEY LYNN WILLIAMS ACNPC-AG (NPI 1922898493) is an individual acute care provider in Buchanan, Michigan, licensed in Michigan (4704323627) and active in the NPI registry since May 2025. She is enrolled in Medicare PECOS, is affiliated with Lakeland Hospital, St Joseph, and is a graduate of Other (2024).
NPPES Registry Identity
Specialties & Licenses
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
Courtney Lynn Williams Acnpc-ag 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 Courtney Williams reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Portage, MI 49024
- Reassigned Medicare billing, Michigan enrollment
- 18 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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Lakeland Hospital, St Joseph
Acute Care Hospitals · St Joseph, MICorewell Health Watervliet Hospital
Acute Care Hospitals · Watervliet, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 49107 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Courtney Williams's NPI number?
The NPI number for Courtney Williams is 1922898493. It was assigned to this individual provider in the NPPES registry on May 8, 2025.
Where is Courtney Williams located?
Courtney Williams practices at 4320 Curran Rd, Buchanan, MI 49107. The listed phone number is (269) 362-4847.
What is Courtney Williams's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.
Is Courtney Williams enrolled in Medicare?
Yes. Courtney 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 organization bills Medicare for Courtney Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Courtney Williams reassigns Medicare benefits to Southern Michigan Pain Consultants PC (Portage, MI). 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 Courtney Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Courtney Williams accept?
Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company and Priority Health list Courtney 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 Courtney Williams affiliated with any hospitals?
According to CMS data, Courtney Williams is affiliated with Lakeland Hospital, St Joseph and Corewell Health Watervliet Hospital.
When was this NPI record last updated?
The NPPES record for Courtney Williams was last updated on May 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.
# Courtney Lynn Williams, ACNPC-AG · NPI 1922898493
Acute Care physician in Buchanan, Michigan. Individual provider, active in the CMS NPPES registry since May 8, 2025.
## Identity
- **NPI:** 1922898493 (Entity type: Individual)
- **Enumerated:** May 8, 2025
- **Primary specialty:** Nurse Practitioner - Acute Care · taxonomy 363LA2100X
- **State license:** 4704323627 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 4320 CURRAN RD, Buchanan, MI 49107-8226
- **Phone:** (269) 362-4847
## 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:** Southern Michigan Pain Consultants PC (NPI 1538119391, Portage, MI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2024
## Record status
- **NPPES last updated:** May 8, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1922898493) · Data from the CMS NPPES public registry.