Dupage Dialysis LTD.

Primary specialty

End-Stage Renal Disease (ESRD) Treatment Clinic/CenterTaxonomy code 261QE0700X

Legal business name

DUPAGE DIALYSIS LTD.

Practice address

2400 Wolf Rd Ste 101a
Westchester, IL 60154-5635

Phone

(708) 409-7780

Fax

(708) 409-7781

NPI assigned

Jul 29, 2006

Organization subpart

Yes

Parent organization

FRESENIUS MEDICAL CARE HOLDINGS, INC.As reported in NPPES

Registry information is reported by the provider to CMS and is not verified. About this source

Authorized official

Name

Denise Wright

Title

Vice President

Phone

(781) 676-5200

Specialties & licenses 1

Addresses

Other names 1

• FMC DIALYSIS SERVICES OF WESTCHESTER Doing business as

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in IL

Enrollment records 1

Listed as

FMC - WestchesterCCN 142520

Overall star rating

3.0 of 5

Ownership

Profit

Certified

Sep 5, 1988

Medicare certification status

ActiveFrom the Provider of Services file

Chain

Fresenius Medical Care

Dialysis stations

22

Locations

Affiliated clinicians 1

Clinicians who list this facility as an affiliation in Medicare Care Compare.

• Leonard Potempa, MD

  • Nephrology Physician
  • La Grange Highlands, IL
  • NPI 1710984646

  Dialysis facility

  Care Compare affiliation Name & address match

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1154131200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1788307200000",
    "number": "1922013895",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2400 WOLF RD STE 101A",
            "city": "WESTCHESTER",
            "state": "IL",
            "postal_code": "601545635",
            "telephone_number": "708-409-7780",
            "fax_number": "708-409-7781"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2400 WOLF RD STE 101A",
            "city": "WESTCHESTER",
            "state": "IL",
            "postal_code": "601545635",
            "telephone_number": "708-409-7780",
            "fax_number": "708-409-7781"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "DUPAGE DIALYSIS LTD.",
        "organizational_subpart": "YES",
        "parent_organization_legal_business_name": "FRESENIUS MEDICAL CARE HOLDINGS, INC.",
        "enumeration_date": "2006-07-29",
        "last_updated": "2026-09-02",
        "certification_date": "2026-09-02",
        "status": "A",
        "authorized_official_last_name": "WRIGHT",
        "authorized_official_first_name": "DENISE",
        "authorized_official_title_or_position": "VICE PRESIDENT",
        "authorized_official_telephone_number": "781-676-5200"
    },
    "taxonomies": [
        {
            "code": "261QE0700X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, End-Stage Renal Disease (ESRD) Treatment",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "CONNECT",
            "endpointTypeDescription": "CONNECT URL",
            "endpoint": "https://esmd.officeally.io:8291/Gateway/DocumentSubmission/2_0/NhinService/XDRRequest_Service",
            "affiliation": "Y",
            "endpointDescription": "2.16.840.1.113883.3.2019.3",
            "affiliationName": "Bluemark LLC / Office Ally",
            "use": "OTHER",
            "useDescription": "Other",
            "useOtherDescription": "CMS esMD eMDR",
            "contentType": "CSV",
            "contentTypeDescription": "CSV",
            "address_1": "1300 SE Cardinal Ct Ste 190",
            "city": "Vancouver",
            "state": "WA",
            "country_code": "US",
            "postal_code": "986839683",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": [
        {
            "organization_name": "FMC DIALYSIS SERVICES OF WESTCHESTER",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

• Dr. Raja Gill SC
• Dr. Shannon Allegretti, PLLC
• DRS Sullivan & Suchy LTD
• Kathelma Denise Dunford
• Dupage Dialysis LTD.
• Dynamic Insights PLLC
• Ease of Mind PLLC
• Ihinosen Toy Edionweme
• Martha Egiebor, RN
• Gala Gyapomah Ehumah

• End-Stage Renal Disease (ESRD) Treatment Clinic/Center in Westchester, IL
• Providers in Westchester, IL by specialty
• End-Stage Renal Disease (ESRD) Treatment Clinic/Center in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 2, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.