Matthew Williams

Primary specialty

Psychiatry PhysicianTaxonomy code 2084P0800X

License

28269932A Issued in IN

Practice address

6002 E 38TH St
Indianapolis, IN 46226-5614

Phone

(317) 880-6002

NPI assigned

Sep 24, 2026

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

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

{
    "created_epoch": "1790208000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1790208000000",
    "number": "1366355067",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "328 E WALNUT ST",
            "city": "INDIANAPOLIS",
            "state": "IN",
            "postal_code": "462023360",
            "telephone_number": "317-440-9686"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6002 E 38TH ST",
            "city": "INDIANAPOLIS",
            "state": "IN",
            "postal_code": "462265614",
            "telephone_number": "317-880-6002"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3419 English Ave",
            "address_purpose": "LOCATION",
            "city": "Indianapolis",
            "state": "IN",
            "postal_code": "462014328",
            "country_code": "US",
            "telephone_number": "317-880-8491",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WILLIAMS",
        "first_name": "MATTHEW",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2026-09-24",
        "last_updated": "2026-09-24",
        "certification_date": "2026-09-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "IN",
            "license": "28269932A",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Maridythe Williams
• Mark D Williams, MD
• Mark L Williams, LCSW
• Mark Robert Williams, DDS
• Mary Jane Williams, COTA
• McKenzie Williams
• Micah Azariah Williams
• Michael A Williams
• Michael Alan Williams, D.C.
• Michael Dwayne Williams, P.A

• Psychiatry Physician in Indianapolis, IN
• Providers in Indianapolis, IN by specialty
• Psychiatry Physician in Indiana

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 24, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.

Verify at the official NPI Registry.