Individual provider Active NPI

Dillan Matthes, DDS

  • General Practice Dentistry
  • Michigan City, IN
National Provider Identifier
1417869843
Registry record updated Sep 21, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
General Practice DentistryTaxonomy code 1223G0001X
License
12015112A Issued in IN
Practice address
5477 N Johnson Rd
Michigan City, IN 46360-9377
Phone
(219) 879-8563
NPI assigned
Sep 21, 2026
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 21, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
General Practice Dentistry 1223G0001X 12015112A IN Primary

Addresses

Primary practice location

5477 N Johnson Rd
Michigan City, IN 46360-9377

Mailing address

5477 N Johnson Rd
Michigan City, IN 46360-9377

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

NPI Registry JSON

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

{
    "created_epoch": "1789948800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1789948800000",
    "number": "1417869843",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5477 N JOHNSON RD",
            "city": "MICHIGAN CITY",
            "state": "IN",
            "postal_code": "463609377"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5477 N JOHNSON RD",
            "city": "MICHIGAN CITY",
            "state": "IN",
            "postal_code": "463609377",
            "telephone_number": "219-879-8563"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MATTHES",
        "first_name": "DILLAN",
        "name_prefix": "Dr.",
        "credential": "DDS",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2026-09-21",
        "last_updated": "2026-09-21",
        "certification_date": "2026-09-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1223G0001X",
            "taxonomy_group": "",
            "desc": "Dentist, General Practice",
            "state": "IN",
            "license": "12015112A",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Michigan City, IN

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 21, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.

Verify at the official NPI Registry.