Nxstage Oak Brook, LLC

Primary specialty

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

Legal business name

NXSTAGE OAK BROOK, LLC

Doing business as

Nxstage Kidney Care Oakbrook

Practice address

1600 16TH St Ste 13
Oak Brook, IL 60523-1302

Phone

(630) 475-4340

Fax

(630) 572-6590

NPI assigned

Sep 9, 2013

Last updated

Sep 1, 2026By the provider in NPPES

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

• NXSTAGE KIDNEY CARE OAKBROOK Doing business as

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in IL

Enrollment records 1

Listed as

Nxstage Kidney Care OakbrookCCN 142779

Overall star rating

3.0 of 5

Ownership

Profit

Certified

Oct 1, 2014

Medicare certification status

ActiveFrom the Provider of Services file

Chain

Fresenius Medical Care

Dialysis stations

8

These CMS records do not include an NPI. They are shown because their name and street address match this provider’s.

CLIA laboratory certificates

Locations

Affiliated clinicians 2

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

• Suneel Mahendra Udani, M.D.

  • Nephrology Physician
  • Hinsdale, IL
  • NPI 1053517839

  Dialysis facility

  Care Compare affiliation Name & address match
• William Whittier, MD

  • Nephrology Physician
  • Chicago, IL
  • NPI 1609981471

  Dialysis facility

  Care Compare affiliation Name & address match

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

{
    "created_epoch": "1378684800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1788220800000",
    "number": "1669807798",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1600 16TH ST STE 13",
            "city": "OAK BROOK",
            "state": "IL",
            "postal_code": "605231302",
            "telephone_number": "630-475-4340",
            "fax_number": "630-572-6590"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1600 16TH ST STE 13",
            "city": "OAK BROOK",
            "state": "IL",
            "postal_code": "605231302",
            "telephone_number": "630-475-4340",
            "fax_number": "630-572-6590"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "NXSTAGE OAK BROOK, LLC",
        "organizational_subpart": "YES",
        "parent_organization_legal_business_name": "FRESENIUS MEDICAL CARE HOLDINGS, INC.",
        "enumeration_date": "2013-09-09",
        "last_updated": "2026-09-01",
        "certification_date": "2026-09-01",
        "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": "NU",
            "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": "NXSTAGE KIDNEY CARE OAKBROOK",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

• Northwestern Medical Faculty Foundation (Northwestern Medical Group)
• Nouvelle Women's Health, PLLC
• Maria Nucci, PHD
• Nuhope Mental Health LTD
• Obidike Augustine Nwakudu, MD
• Geri G Nyboe, O.D.
• Katelyn Nyquist, LPC
• Martin O Shea, P.T.
• Kathleen Mary O'Connor, LCSW
• Valerie O'Dea, PT

• End-Stage Renal Disease (ESRD) Treatment Clinic/Center in Oak Brook, IL
• Providers in Oak Brook, 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 1, 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.