OSFMG - WILLOWCREEK
NPI 1164475059
Family Medicine in Machesney Park, IL
About Osfmg - Willowcreek NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
OSFMG - WILLOWCREEK (NPI 1164475059) is a healthcare organization registered as a family medicine in Machesney Park, Illinois and active in the NPI registry since May 2006. The organization lists Robert C Sehring, Ceo, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 4
Other Names 1
Other Identifiers 1
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Osfmg - Willowcreek is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
67Medicare enrollment records show 67 clinicians reassign Medicare billing to Osfmg - Willowcreek, which bills Medicare for the services they deliver. Of these, 44 practice within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 12
Nearest to this location (20)
See all 67Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Saint Anthony Medical Center's NPI number?
The NPI number for Saint Anthony Medical Center is 1164475059. It was assigned to this organization in the NPPES registry on May 19, 2006. The provider is doing business as Osfmg - Willowcreek.
Where is Saint Anthony Medical Center located?
Saint Anthony Medical Center is located at 9721 N Alpine Rd, Machesney Park, IL 61115. The listed phone number is (800) 589-6070.
What is Saint Anthony Medical Center's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Saint Anthony Medical Center enrolled in Medicare?
Yes. Saint Anthony Medical Center is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Saint Anthony Medical Center?
According to the CMS Revalidation Reassignment List (October 2026 release), 67 clinicians in 12 Medicare specialties reassign their Medicare billing to Saint Anthony Medical Center. 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 (26), Family Practice (15) and Internal Medicine (5). Of these, 44 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Saint Anthony Medical Center was last updated on March 7, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Osfmg - Willowcreek · NPI 1164475059
Family Medicine organization in Machesney Park, Illinois. Organization record, active in the CMS NPPES registry since May 19, 2006.
## Identity
- **NPI:** 1164475059 (Entity type: Organization)
- **Enumerated:** May 19, 2006
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **Legal business name:** Saint Anthony Medical Center
- **Organization subpart:** Yes (part of Osf Healthcare System)
- **Authorized official:** Robert Sehring, CEO
## Practice location
- **Address:** 9721 N ALPINE RD, Machesney Park, IL 61115-1664
- **Phone:** (800) 589-6070 · **Fax:** (309) 683-5969
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 67 clinicians in 12 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (26), Family Practice (15), Internal Medicine (5); 44 practice within 10 miles; [full list](https://npiprofile.com/npi/1164475059/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 7, 2024
- **Other identifiers:** Other 10123444 (IL)
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Source: [NPI Profile](https://npiprofile.com/npi/1164475059) · Data from the CMS NPPES public registry.