JOHN H. STROGER, JR. HOSPITAL OF COOK COUNTY
NPI 1821278938
Clinic/Center - End-Stage Renal Disease (ESRD) Treatment in Chicago, IL
About John H. Stroger, Jr. Hospital Of Cook County NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN H. STROGER, JR. HOSPITAL OF COOK COUNTY (NPI 1821278938) is a healthcare organization registered as an end-stage renal disease (esrd) treatment in Chicago, Illinois and active in the NPI registry since November 2007. The organization lists Kelvin O Magee, Controller, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 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 H. Stroger, Jr. Hospital Of Cook County is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
1,043Medicare enrollment records show 1,043 clinicians reassign Medicare billing to John H. Stroger, Jr. Hospital Of Cook County, which bills Medicare for the services they deliver. Of these, 186 practice at this address and 695 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 58
Nearest to this location (20)
See all 1,043Chicago, IL 60612
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Dialysis Facility Quality Ratings CMS Care Compare
Quality ratings, services and patient survey results for Dialysis - John H. Stroger Jr. Hospital Of Cook County (CMS certification number 142313), from CMS Care Compare.
Dialysis - John H. Stroger Jr. Hospital Of Cook County
Dialysis facility · Chicago, 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 Cook County's NPI number?
The NPI number for Cook County is 1821278938. It was assigned to this organization in the NPPES registry on November 6, 2007. The provider is doing business as John H. Stroger, Jr. Hospital Of Cook County.
Where is Cook County located?
Cook County is located at 1901 W Harrison St, Chicago, IL 60612. The listed phone number is (312) 864-6000.
What is Cook County's specialty?
The primary specialty registered for this NPI is Clinic/Center, specializing in End-Stage Renal Disease (ESRD) Treatment, with taxonomy code 261QE0700X.
Is Cook County enrolled in Medicare?
Yes. Cook County is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Cook County?
According to the CMS Revalidation Reassignment List (October 2026 release), 1,043 clinicians in 58 Medicare specialties reassign their Medicare billing to Cook County. 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 Internal Medicine (128), Nurse Practitioner (86) and Pediatric Medicine (80). Of these, 186 practice at this address and 695 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Is Cook County a Medicare-certified dialysis facility?
Yes. Dialysis - John H. Stroger Jr. Hospital Of Cook County is a Medicare-certified dialysis facility, certified since January 1, 1980.
What quality rating does Cook County have?
CMS rates Dialysis - John H. Stroger Jr. Hospital Of Cook County 2 out of 5 stars on Care Compare. The full measure detail is in the Dialysis Facility Quality section above.
When was this NPI record last updated?
The NPPES record for Cook County was last updated on September 5, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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 H. Stroger, Jr. Hospital Of Cook County · NPI 1821278938
End-Stage Renal Disease (ESRD) Treatment organization in Chicago, Illinois. Organization record, active in the CMS NPPES registry since November 6, 2007.
## Identity
- **NPI:** 1821278938 (Entity type: Organization)
- **Enumerated:** November 6, 2007
- **Primary specialty:** Clinic/Center - End-Stage Renal Disease (ESRD) Treatment · taxonomy 261QE0700X
- **Legal business name:** Cook County
- **Organization subpart:** No
- **Authorized official:** Kelvin Magee, CONTROLLER
## Practice location
- **Address:** 1901 W HARRISON ST, Chicago, IL 60612-3714
- **Phone:** (312) 864-6000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1,043 clinicians in 58 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Internal Medicine (128), Nurse Practitioner (86), Pediatric Medicine (80); 186 practice at this address and 695 within 10 miles; [full list](https://npiprofile.com/npi/1821278938/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 5, 2008
- **Other identifiers:** Medicare OSCAR/certification 142313 (IL)
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Source: [NPI Profile](https://npiprofile.com/npi/1821278938) · Data from the CMS NPPES public registry.