Individual provider Active NPI

Theodore Aaron Week, D.C.

  • Chiropractor
  • Madison, WI
National Provider Identifier
1275597379
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
ChiropractorTaxonomy code 111N00000X
License
3329 Issued in WI
Practice address
1915 Winnebago St
Madison, WI 53704-5314
Phone
(608) 241-3233
NPI assigned
Apr 14, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Chiropractor 111N00000X 3329 WI Primary

Addresses

Primary practice location

1915 Winnebago St
Madison, WI 53704-5314

Mailing address

1915 Winnebago St
Madison, WI 53704-5305
Phone (608) 241-3233

Other identifiers 1

IdentifierTypeStateIssuer
38893400MedicaidWI

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20050630000056 WI Practitioner - Chiropractic 0244276442 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Chiropractic
Education
Palmer College Chiropractic - Davenport, 1996
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Zelm Chiropractic Center SCGroup PAC ID 1153426523, 6 clinicians

Practice addresses (Care Compare)

4861 Larson Beach Rd
McFarland, WI 53558-8735
Phone (608) 838-7723

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

Practice roles

OrganizationSpecialtyStatusNew patients
Zelm Chiropractic Center SC Chiropractor CurrentSince Jan 1, 2018 Accepting new patients
Quick Fix After Hours Chiropractic Care, LLC PastSince Jan 1, 2018 Accepting new patients

Locations

4861 Larson Beach Rd
McFarland, WI 53558
Phone (608) 838-7723

Organizations & group practices 2

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1144972800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1275597379",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1915 WINNEBAGO ST",
            "city": "MADISON",
            "state": "WI",
            "postal_code": "537045305",
            "telephone_number": "608-241-3233",
            "fax_number": "608-241-3805"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1915 WINNEBAGO ST",
            "city": "MADISON",
            "state": "WI",
            "postal_code": "537045314",
            "telephone_number": "608-241-3233"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WEEK",
        "first_name": "THEODORE",
        "middle_name": "AARON",
        "name_prefix": "Dr.",
        "credential": "D.C.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-04-14",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "111N00000X",
            "taxonomy_group": "",
            "desc": "Chiropractor",
            "state": "WI",
            "license": "3329",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "38893400",
            "state": "WI"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Madison, WI

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.