Individual provider Active NPI

Matthew Clay Williams

  • Neurology Chiropractor
  • Winsted, CT
National Provider Identifier
1821084005
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Neurology ChiropractorTaxonomy code 111NN0400X
License
000796 Issued in CT
Practice address
88 Elm St
Winsted, CT 06098-1657
Phone
(860) 379-7875
Fax
(860) 379-3171
NPI assigned
Sep 23, 2005
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
Neurology Chiropractor 111NN0400X 000796 CT Primary

Addresses

Primary practice location

88 Elm St
Winsted, CT 06098-1657

Mailing address

88 Elm St
Winsted, CT 06098-1657
Phone (860) 379-7875

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20130626000072 CT Practitioner - Chiropractic 4981656923 Reassigns benefits to 1 organization

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
000796CTMDNeurology Chiropractor
796CTMDOptometrist

Practice roles

OrganizationSpecialtyStatusNew patients
Williams Chiropractic Center LLC CurrentSince Jun 10, 1999 Accepting new patients

Locations

88 Elm St
Winsted, CT 06098
Phone (860) 379-7875

Organizations & group practices 1

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.

Care Compare profile

Medicare Care Compare
Specialty
Chiropractic
Education
National College of Chiropractic, 1987
Medicare assignment
May accept Medicare assignment
Group practices
Williams Chiropractic Center LLC 2 clinicians

Practice addresses (Care Compare)

88 Elm St
Winsted, CT 06098-1657
Phone (860) 379-7875

NPI Registry JSON

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

{
    "created_epoch": "1127433600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1821084005",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "88 ELM ST",
            "city": "WINSTED",
            "state": "CT",
            "postal_code": "060981657",
            "telephone_number": "860-379-7875",
            "fax_number": "860-379-3171"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "88 ELM ST",
            "city": "WINSTED",
            "state": "CT",
            "postal_code": "060981657",
            "telephone_number": "860-379-7875",
            "fax_number": "860-379-3171"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WILLIAMS",
        "first_name": "MATTHEW",
        "middle_name": "CLAY",
        "name_prefix": "Dr.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-09-23",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "111NN0400X",
            "taxonomy_group": "",
            "desc": "Chiropractor, Neurology",
            "state": "CT",
            "license": "000796",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Winsted, CT

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.