NPIMap

Organization Active NPI

Cap of Downers Grove, Inc

  • Methadone Clinic
  • Downers Grove, IL
National Provider Identifier
1184787038
Registry record updated Aug 26, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Methadone ClinicTaxonomy code 261QM2800X
License
A-3027-0001-A Issued in IL
Legal business name
CAP OF DOWNERS GROVE, INC
Practice address
4954 Main St
Downers Grove, IL 60515-3611
Phone
(630) 810-0186
Fax
(630) 810-0179
NPI assigned
Dec 19, 2006
Last updated
Aug 26, 2025By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Aug 26, 2025

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

Authorized official

Name
Dr. Craig V Showalter, M.D.NPI 1548299340
Title
Medical Director
Phone
(630) 810-0186

Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Methadone Clinic 261QM2800X A-3027-0001-A IL Primary
Substance Use Disorder Rehabilitation Clinic/Center 261QR0405X

Addresses

Primary practice location

4954 Main St
Downers Grove, IL 60515-3611

Mailing address

4954 Main St
Downers Grove, IL 60515-3611
Phone (630) 810-0186

Other identifiers 1

IdentifierTypeStateIssuer
02232810OtherILBCBS OF IL

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IL
Opioid treatment program
Medicare-enrolled since Mar 15, 2020

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20200831002546 IL Part B Supplier - Opioid Treatment Program (Otp) 0042637431 Practice locations: Downers Grove, IL

National Provider Directory

National Provider Directory

Locations

4954 Main St
Downers Grove, IL 60515
Phone (630) 801-0186

Practitioners & affiliated clinicians

Practitioners 13

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

View all 13

NPI Registry JSON

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

{
    "created_epoch": "1166486400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1756166400000",
    "number": "1184787038",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4954 MAIN ST",
            "city": "DOWNERS GROVE",
            "state": "IL",
            "postal_code": "605153611",
            "telephone_number": "630-810-0186",
            "fax_number": "630-810-0179"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4954 MAIN ST",
            "city": "DOWNERS GROVE",
            "state": "IL",
            "postal_code": "605153611",
            "telephone_number": "630-810-0186",
            "fax_number": "630-810-0179"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "CAP OF DOWNERS GROVE, INC",
        "organizational_subpart": "NO",
        "enumeration_date": "2006-12-19",
        "last_updated": "2025-08-26",
        "certification_date": "2025-08-26",
        "status": "A",
        "authorized_official_last_name": "SHOWALTER",
        "authorized_official_first_name": "CRAIG",
        "authorized_official_middle_name": "V",
        "authorized_official_title_or_position": "MEDICAL DIRECTOR",
        "authorized_official_telephone_number": "630-810-0186",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "M.D."
    },
    "taxonomies": [
        {
            "code": "261QM2800X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Methadone",
            "state": "IL",
            "license": "A-3027-0001-A",
            "primary": true
        },
        {
            "code": "261QR0405X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Rehabilitation, Substance Use Disorder",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS OF IL",
            "identifier": "02232810",
            "state": "IL"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Downers Grove, IL

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 26, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.