Organization Active NPI

A1 Development Inc

  • Prosthetic/Orthotic Supplier
  • Chicago, IL
National Provider Identifier
1841103165
Registry record updated Sep 26, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Prosthetic/Orthotic SupplierTaxonomy code 335E00000X
Legal business name
A1 DEVELOPMENT INC
Practice address
320 W Ohio St
Chicago, IL 60654-6566
Phone
(773) 965-4432
NPI assigned
Sep 26, 2026
Last updated
Sep 26, 2026By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Sep 26, 2026

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

Authorized official

Name
William Brantley
Title
President
Phone
(773) 965-4432

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Prosthetic/Orthotic Supplier 335E00000X NU Primary

Addresses

Primary practice location

320 W Ohio St
Chicago, IL 60654-6566

Mailing address

320 W Ohio St
Chicago, IL 60654-6566

NPI Registry JSON

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

{
    "created_epoch": "1790380800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1790380800000",
    "number": "1841103165",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "320 W OHIO ST",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606546566"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "320 W OHIO ST",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606546566",
            "telephone_number": "773-965-4432"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "A1 DEVELOPMENT INC",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-09-26",
        "last_updated": "2026-09-26",
        "certification_date": "2026-09-26",
        "status": "A",
        "authorized_official_last_name": "BRANTLEY",
        "authorized_official_first_name": "WILLIAM",
        "authorized_official_title_or_position": "PRESIDENT",
        "authorized_official_telephone_number": "773-965-4432"
    },
    "taxonomies": [
        {
            "code": "335E00000X",
            "taxonomy_group": "",
            "desc": "Prosthetic/Orthotic Supplier",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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 Sep 26, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.

Verify at the official NPI Registry.