GRAHAM MEDICAL GROUP WILLIAMSFIELD
NPI 1508463563
Clinic/Center - Rural Health in Williamsfield, IL
About Graham Medical Group Williamsfield NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GRAHAM MEDICAL GROUP WILLIAMSFIELD (NPI 1508463563) is a healthcare organization registered as a rural health in Williamsfield, Illinois and active in the NPI registry since October 2020. The organization lists Janelle M Postin, Credentialing Specialist, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Graham Medical Group Williamsfield is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
132Medicare enrollment records show 132 clinicians reassign Medicare billing to Graham Medical Group Williamsfield, which bills Medicare for the services they deliver. Of these, 4 practice within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 19
Nearest to this location (20)
See all 132Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
CLIA Laboratory Certificates CMS CLIA
Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.
Certificate of Waiver 14D2196077
Graham Medical Group · Williamsfield, ILFrequently 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 Graham Hospital Association's NPI number?
The NPI number for Graham Hospital Association is 1508463563. It was assigned to this organization in the NPPES registry on October 2, 2020. The provider is doing business as Graham Medical Group Williamsfield.
Where is Graham Hospital Association located?
Graham Hospital Association is located at 120 E Gale St, Williamsfield, IL 61489. The listed phone number is (309) 639-4004.
What is Graham Hospital Association's specialty?
The primary specialty registered for this NPI is Clinic/Center, specializing in Rural Health, with taxonomy code 261QR1300X.
Is Graham Hospital Association enrolled in Medicare?
Yes. Graham Hospital Association is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Graham Hospital Association?
According to the CMS Revalidation Reassignment List (October 2026 release), 132 clinicians in 19 Medicare specialties reassign their Medicare billing to Graham Hospital Association. A 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 the clinician's services. The largest specialties are Nurse Practitioner (53), Diagnostic Radiology (28) and Family Practice (10). Of these, 4 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Graham Hospital Association accept?
Health plans from Ambetter Health and Ambetter Health of Delaware list Graham Hospital Association 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.
When was this NPI record last updated?
The NPPES record for Graham Hospital Association was last updated on April 3, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Graham Medical Group Williamsfield · NPI 1508463563
Rural Health organization in Williamsfield, Illinois. Organization record, active in the CMS NPPES registry since October 2, 2020.
## Identity
- **NPI:** 1508463563 (Entity type: Organization)
- **Enumerated:** October 2, 2020
- **Primary specialty:** Clinic/Center - Rural Health · taxonomy 261QR1300X
- **Legal business name:** Graham Hospital Association
- **Organization subpart:** No
- **Authorized official:** Janelle Postin, CREDENTIALING SPECIALIST
## Practice location
- **Address:** 120 E GALE ST, Williamsfield, IL 61489-5418
- **Phone:** (309) 639-4004 · **Fax:** (309) 639-4065
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 132 clinicians in 19 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (53), Diagnostic Radiology (28), Family Practice (10); 4 practice within 10 miles; [full list](https://npiprofile.com/npi/1508463563/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 3, 2023
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1508463563) · Data from the CMS NPPES public registry.