CORNERSTONE DIALYSIS
NPI 1013395144
Clinic/Center - End-Stage Renal Disease (ESRD) Treatment in Southfield, MI

Q: What is Renal Treatment Centers-Illinois Inc.'s specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in End-Stage Renal Disease (ESRD) Treatment, with taxonomy code 261QE0700X.

Active since May 08, 2015CLIA 23D0718442 · Waiver

23857 GREENFIELD RD, SOUTHFIELD, MI 48075(248) 569-6111(248) 569-1049 Get Directions Write a Review

NPPES record last updated: August 1, 2022. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Aug 1, 2022, May 22, 2020, May 31, 2019 (3 updates tracked since 2019).

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About Cornerstone Dialysis NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CORNERSTONE DIALYSIS (NPI 1013395144) is a healthcare organization registered as an end-stage renal disease (esrd) treatment in Southfield, Michigan and active in the NPI registry since May 2015. The organization holds a CLIA Waiver certificate valid through November 8, 2026 and lists John D Winstel, Chief Accounting Officer, as its authorized official.

NPPES Registry Identity

NPI1013395144

Entity TypeOrganization

Primary Taxonomy261QE0700X

Legal Business NameRENAL TREATMENT CENTERS-ILLINOIS INC.

Location Address23857 GREENFIELD RDSouthfield, MI 48075-3122

Mailing Address5200 Virginia Way, Att: L&c DepartmentBrentwood, TN 37027-7569 · (615) 320-4514 · Fax (866) 594-9961

Phone(248) 569-6111

Fax(248) 569-1049

Organization SubpartNo

Authorized OfficialJohn D WinstelChief Accounting Officer · (253) 733-4501

Enumeration DateMay 8, 2015

Last NPPES UpdateAugust 1, 20223 updates tracked since enumeration

NPPES CertifiedJuly 20, 2022

✔ NPI 1013395144 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · End-Stage Renal Disease (ESRD) TreatmentAmbulatory Health Care Facilities

Taxonomy Code261QE0700X

23857 GREENFIELD RD, Southfield, MI 48075

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Other Names 1

Doing Business AsCornerstone Dialysis

Other Identifiers 1

Medicaid1679535926MI

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health and more.Insurance ›

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 23D0718442

Cornerstone Dialysis · Southfield, MI

Active · expires Nov 8, 2026

CLIA Number23D0718442

Laboratory TypeEnd Stage Renal Disease Dialysis Facility

Certificate Effective DateNovember 9, 2024

Certificate Expiration DateNovember 8, 2026

Laboratory DirectorAli Ashtari

Laboratory Phone(248) 569-6111

Laboratory LocationCornerstone Dialysis23857 Greenfield Road, Southfield, MI 48075

CLIA data matches this NPI record on: Address Name Phone

This certificate is issued to a laboratory to perform only waived tests.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

KIDNEY CENTERS OF MICHIGAN LLC

Clinic/Center (End-Stage Renal Disease (ESRD) Treatment)

23857 GREENFIELD RD
SOUTHFIELD, MI 48075

Oakland County (248) 569-6111

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 Renal Treatment Centers-Illinois Inc.'s NPI number?

The NPI number for Renal Treatment Centers-Illinois Inc. is 1013395144. It was assigned to this organization in the NPPES registry on May 8, 2015. The provider is doing business as Cornerstone Dialysis.

Where is Renal Treatment Centers-Illinois Inc. located?

Renal Treatment Centers-Illinois Inc. is located at 23857 Greenfield Rd, Southfield, MI 48075. The listed phone number is (248) 569-6111.

What is Renal Treatment Centers-Illinois Inc.'s specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in End-Stage Renal Disease (ESRD) Treatment, with taxonomy code 261QE0700X.

Does Renal Treatment Centers-Illinois Inc. hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 23D0718442) is associated with this NPI, valid through November 8, 2026. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Renal Treatment Centers-Illinois Inc. accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company and 9 other insurers list Renal Treatment Centers-Illinois Inc. 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 Renal Treatment Centers-Illinois Inc. was last updated on August 1, 2022. NPI Profile syncs with the weekly NPPES data releases published by CMS.