Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

RAI CARE CENTERS OF ILLINOIS I, LLC
NPI 1588758239
Clinic/Center - End-Stage Renal Disease (ESRD) Treatment in O Fallon, IL

Q: What is RAI Care Centers Of Illinois I, LLC's NPI number?

The NPI number for RAI Care Centers Of Illinois I, LLC is 1588758239. It was assigned to this organization in the NPPES registry on October 3, 2006. The provider is doing business as Fresenius Medical Care Regency Park.

Q: What is RAI Care Centers Of Illinois I, LLC's specialty?

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

Q: What quality rating does RAI Care Centers Of Illinois I, LLC have?

CMS rates FMC - Regency Park 2 out of 5 stars on Care Compare. The full measure detail is in the Dialysis Facility Quality section above.

Active since October 03, 2006CLIA 14D0982694 · Waiver

2/5

Overall Rating

124 REGENCY PARK DRIVE STE 1, O FALLON, IL 62269(618) 622-0634(618) 622-0668 Get Directions Write a Review

NPPES record last updated: September 1, 2026. Verified against the NPPES registry weekly; last sync: September 06, 2026.

Record update history: Sep 1, 2026, Oct 17, 2023, Oct 1, 2021 and 3 more (6 updates tracked since 2020).

On this page

About Rai Care Centers Of Illinois I, Llc NPPES

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

RAI CARE CENTERS OF ILLINOIS I, LLC (NPI 1588758239), doing business as Fresenius Medical Care Regency Park, is a healthcare organization registered as an end-stage renal disease (esrd) treatment in O Fallon, Illinois and active in the NPI registry since October 2006. The organization holds a CLIA Waiver certificate valid through January 31, 2027 and lists Denise Wright, Vice President, as its authorized official.

NPPES Registry Identity

NPI1588758239

Entity TypeOrganization

Primary Taxonomy261QE0700X

Legal Business NameRAI CARE CENTERS OF ILLINOIS I, LLC

Location Address124 REGENCY PARK DRIVE STE 1O Fallon, IL 62269-1994

Mailing Address124 Regency Park Drive Ste 1O Fallon, IL 62269-1994 · (618) 622-0634 · Fax (618) 622-0668

Phone(618) 622-0634

Fax(618) 622-0668

Organization SubpartYesParent: Fresenius Medical Care Holdings, Inc.

Authorized OfficialDenise WrightVice President · (781) 676-5200

Enumeration DateOctober 3, 2006

Last NPPES UpdateSeptember 1, 20266 updates tracked since enumeration

NPPES CertifiedSeptember 1, 2026

✔ NPI 1588758239 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

124 REGENCY PARK DRIVE STE 1, O Fallon, IL 62269

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Other Names 1

Doing Business AsFresenius Medical Care Regency Park

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 14D0982694

Fresenius Medical Care Regency Park · O Fallon, IL

Active · expires Jan 31, 2027

CLIA Number14D0982694

Laboratory TypeEnd Stage Renal Disease Dialysis Facility

Certificate Effective DateFebruary 1, 2025

Certificate Expiration DateJanuary 31, 2027

Laboratory DirectorMatthew J. Koch M D

Laboratory Phone(618) 622-0634

Laboratory LocationFresenius Medical Care Regency Park124 Regency Park Dr, O Fallon, IL 62269

CLIA data matches this NPI record on: Address Name Phone

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

Dialysis Facility Quality Ratings CMS Care Compare

Quality ratings, services and patient survey results for FMC - Regency Park (CMS certification number 142558), from CMS Care Compare.

FMC - Regency Park

Dialysis facility · O Fallon, IL

2/5 CMS RatingRating period January 2020 to December 2023

OwnershipProfit

ChainFresenius Medical Care

CMS Certification Number142558

ESRD NetworkNetwork 10

Hemodialysis Stations20

Medicare-Certified SinceSeptember 9, 1997

Location124 REGENCY PARK DRIVEO Fallon, IL 62269 · Saint Clair County

Phone(618) 622-0634

Services Offered

In-center hemodialysis Peritoneal dialysis Home hemodialysis training

Patient Survey Results

Nephrologists’ communication and caring

Patients who reported their kidney doctors always communicated well and cared for them as a person.

84% 5/5

Dialysis center care and operations

Patients who reported center staff always communicated well, kept them as comfortable as possible, behaved professionally and kept the center clean.

66% 4/5

Providing information to patients

Patients who reported their kidney doctors and center staff gave them the information they needed to care for their health.

83% 4/5

Rating of the kidney doctors

Patients who rated their kidney doctors 9 or 10 on a scale of 0 (worst) to 10 (best).

84% 5/5

Rating of the dialysis center staff

Patients who rated the center staff 9 or 10 on a scale of 0 (worst) to 10 (best).

72% 4/5

Rating of the dialysis center

Patients who rated the dialysis center 9 or 10 on a scale of 0 (worst) to 10 (best).

73% 4/5

Percentages are patients giving the best possible responses in the In-Center Hemodialysis (ICH CAHPS) patient survey. Star ratings are assigned by CMS on a one-to-five star scale; five is the highest.

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 RAI Care Centers Of Illinois I, LLC's NPI number?

The NPI number for RAI Care Centers Of Illinois I, LLC is 1588758239. It was assigned to this organization in the NPPES registry on October 3, 2006. The provider is doing business as Fresenius Medical Care Regency Park.

Where is RAI Care Centers Of Illinois I, LLC located?

RAI Care Centers Of Illinois I, LLC is located at 124 Regency Park Drive Ste 1, O Fallon, IL 62269. The listed phone number is (618) 622-0634.

What is RAI Care Centers Of Illinois I, LLC'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 RAI Care Centers Of Illinois I, LLC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 14D0982694) is associated with this NPI, valid through January 31, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

Is RAI Care Centers Of Illinois I, LLC a Medicare-certified dialysis facility?

Yes. FMC - Regency Park is a Medicare-certified dialysis facility, certified since September 9, 1997.

What quality rating does RAI Care Centers Of Illinois I, LLC have?

CMS rates FMC - Regency Park 2 out of 5 stars on Care Compare. The full measure detail is in the Dialysis Facility Quality section above.

What insurance does RAI Care Centers Of Illinois I, LLC accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and UnitedHealthcare list RAI Care Centers Of Illinois I, LLC 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 RAI Care Centers Of Illinois I, LLC was last updated on September 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 days 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.