NPIMap

Organization Active NPI

Renal Treatment Centers-Illinois Inc

Doing business as Mt Greenwood Dialysis

  • End-Stage Renal Disease (ESRD) Treatment Clinic/Center
  • Chicago, IL
National Provider Identifier
1982673166
Registry record updated Jan 8, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
End-Stage Renal Disease (ESRD) Treatment Clinic/CenterTaxonomy code 261QE0700X
Legal business name
RENAL TREATMENT CENTERS-ILLINOIS INC
Doing business as
Mt Greenwood Dialysis
Practice address
3401 W 111TH St
Chicago, IL 60655-3329
Phone
(773) 445-0558
Fax
(773) 445-0829
NPI assigned
Mar 17, 2006
Last updated
Jan 8, 2026By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Jan 8, 2026

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

Authorized official

Name
Samuel T Wey
Title
VP, Licensure & Certification
Phone
(615) 341-6641

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
End-Stage Renal Disease (ESRD) Treatment Clinic/Center 261QE0700X Primary

Addresses

Primary practice location

3401 W 111TH St
Chicago, IL 60655-3329

Mailing address

5200 Virginia Way
Att: L&C Dept
Brentwood, TN 37027-7569

Other names 1

  • Mt Greenwood Dialysis Doing business as

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IL

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20041102001138 IL Part A Provider - End-Stage Renal Disease Facility (ESRD) 2365359965 Practice locations: Chicago, IL

Care Compare: Dialysis facility

Medicare Care Compare
Listed as
DaVita Mt Greenwood DialysisCCN 142660
Overall star rating
1.0 of 5
Ownership
Profit
Certified
Mar 7, 2005
Medicare certification status
ActiveFrom the Provider of Services file
Chain
DaVita
Dialysis stations
16

Name & address match This facility record has no NPI; it was connected to this NPI by matching name and address.

Laboratory certificates & supplier records

Derived by NPIMap

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

CLIA laboratory certificates

CLIA numberLaboratoryCertificateExpires
14D1036061Mt Greenwood3401 W 111TH Street, Chicago, IL 60655Certificate of waiverJan 18, 2027

National Provider Directory

National Provider Directory
Tax ID family
Renal Treatment Centers - Illinois Inc85 organizations share this tax ID, including this one

Organizations with this tax ID in the same state 12

This tax ID family is large, so up to 24 of its organizations in the same state are linked here.

Locations

3401 W 111th St
Chicago, IL 60655
Phone (773) 445-0558

Practitioners & affiliated clinicians

Affiliated clinicians 5

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

NPI Registry JSON

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

{
    "created_epoch": "1142553600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1767830400000",
    "number": "1982673166",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5200 VIRGINIA WAY",
            "address_2": "ATT: L&C DEPT",
            "city": "BRENTWOOD",
            "state": "TN",
            "postal_code": "370277569"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3401 W 111TH ST",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606553329",
            "telephone_number": "773-445-0558",
            "fax_number": "773-445-0829"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "RENAL TREATMENT CENTERS-ILLINOIS INC",
        "organizational_subpart": "NO",
        "enumeration_date": "2006-03-17",
        "last_updated": "2026-01-08",
        "certification_date": "2026-01-08",
        "status": "A",
        "authorized_official_last_name": "WEY",
        "authorized_official_first_name": "SAMUEL",
        "authorized_official_middle_name": "T",
        "authorized_official_title_or_position": "VP, LICENSURE & CERTIFICATION",
        "authorized_official_telephone_number": "615-341-6641"
    },
    "taxonomies": [
        {
            "code": "261QE0700X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, End-Stage Renal Disease (ESRD) Treatment",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Mt Greenwood Dialysis",
            "code": "3",
            "type": "Doing Business As"
        },
        {
            "organization_name": "Mt Greenwood Dialysis",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in Chicago, IL

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 8, 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.