Individual provider Active NPI

Ian David Sponseller, DDS

  • Dentist
  • Indianapolis, IN
National Provider Identifier
1720990328
Registry record updated Sep 18, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
DentistTaxonomy code 122300000X
License
12015148A Issued in IN
Practice address
2291 N Meridian St
Indianapolis, IN 46208-5727
Phone
(317) 926-5467
NPI assigned
Sep 18, 2026
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 18, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Dentist 122300000X 12015148A IN Primary

Addresses

Primary practice location

2291 N Meridian St
Indianapolis, IN 46208-5727

Mailing address

3115 N Meridian St Apt H
Indianapolis, IN 46208-5299
Phone (812) 483-4402

Other practice location 1

2236 N Mitthoefer Rd
Indianapolis, IN 46229-1791
Phone (317) 897-5093

Medicare participation

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

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled

NPI Registry JSON

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

{
    "created_epoch": "1789689600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1789689600000",
    "number": "1720990328",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3115 N MERIDIAN ST APT H",
            "city": "INDIANAPOLIS",
            "state": "IN",
            "postal_code": "462085299",
            "telephone_number": "812-483-4402"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2291 N MERIDIAN ST",
            "city": "INDIANAPOLIS",
            "state": "IN",
            "postal_code": "462085727",
            "telephone_number": "317-926-5467"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2236 N Mitthoefer Rd",
            "address_purpose": "LOCATION",
            "city": "Indianapolis",
            "state": "IN",
            "postal_code": "462291791",
            "country_code": "US",
            "telephone_number": "317-897-5093",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SPONSELLER",
        "first_name": "IAN",
        "middle_name": "DAVID",
        "name_prefix": "Dr.",
        "credential": "DDS",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2026-09-18",
        "last_updated": "2026-09-18",
        "certification_date": "2026-09-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "122300000X",
            "taxonomy_group": "",
            "desc": "Dentist",
            "state": "IN",
            "license": "12015148A",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Indianapolis, IN

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 18, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.