JOHN R DEFOREST D.O. S.C.
NPI 1144241407
Family Medicine in Beecher, IL
About John R Deforest D.o. S.c. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN R DEFOREST D.O. S.C. (NPI 1144241407) is a healthcare organization registered as a family medicine in Beecher, Illinois and active in the NPI registry since July 2006. The organization lists Karen Ruckman, Acct Rep., as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 4
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)
John R Deforest D.o. S.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
2Medicare enrollment records show 2 clinicians reassign Medicare billing to John R Deforest D.O. S.C., which bills Medicare for the services they deliver. Of these, 2 practice within 10 miles. They are listed nearest first.
Clinicians, nearest first (2)
Source: 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 John R Deforest D.O. S.C.'s NPI number?
The NPI number for John R Deforest D.O. S.C. is 1144241407. It was assigned to this organization in the NPPES registry on July 22, 2006.
Where is John R Deforest D.O. S.C. located?
John R Deforest D.O. S.C. is located at 715 S Dixie Hwy, Beecher, IL 60401. The listed phone number is (708) 946-9330.
What is John R Deforest D.O. S.C.'s specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is John R Deforest D.O. S.C. enrolled in Medicare?
Yes. John R Deforest D.O. S.C. is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through John R Deforest D.O. S.C.?
According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to John R Deforest D.O. S.C., in Family Practice and Nurse Practitioner. 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. Of these, 2 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 John R Deforest D.O. S.C. was last updated on December 10, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# John R Deforest D.o. S.c. · NPI 1144241407
Family Medicine organization in Beecher, Illinois. Organization record, active in the CMS NPPES registry since July 22, 2006.
## Identity
- **NPI:** 1144241407 (Entity type: Organization)
- **Enumerated:** July 22, 2006
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **Organization subpart:** No
- **Authorized official:** Karen Ruckman, ACCT REP.
## Practice location
- **Address:** 715 S DIXIE HWY, Beecher, IL 60401-3668
- **Phone:** (708) 946-9330 · **Fax:** (708) 946-2471
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 2 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Family Practice (1), Nurse Practitioner (1); 2 practice within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** December 10, 2014
- **Other identifiers:** Other 080154175 (IL); Medicare UPIN K28565 (IL); Other 9925692 (IL); and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1144241407) · Data from the CMS NPPES public registry.