Robert Jay Ault, DDS

Primary specialty

EndodonticsTaxonomy code 1223E0200X

License

2901600453 Issued in MI

Practice address

6105 W St Joe Hwy Ste 203
Lansing, MI 48917-4850

Phone

(517) 351-0800

Fax

(517) 220-2172

NPI assigned

Apr 15, 2020

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 3

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

State licenses

Practice roles

Locations

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.

• Kennedy Marzonie Gray & Associates PLLC

  • Dentist
  • Ann Arbor, MI
  • NPI 1154430718
  NPD
• Apnea Alternatives

  • Dentist
  • Ann Arbor, MI
  • NPI 1881034098

  Single Specialty

  NPD (past)

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

{
    "created_epoch": "1586908800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1779062400000",
    "number": "1194344580",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6105 W ST JOE HWY STE 203",
            "city": "LANSING",
            "state": "MI",
            "postal_code": "489174850",
            "telephone_number": "517-351-0800",
            "fax_number": "517-220-2172"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6105 W ST JOE HWY STE 203",
            "city": "LANSING",
            "state": "MI",
            "postal_code": "489174850",
            "telephone_number": "517-351-0800",
            "fax_number": "517-220-2172"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "AULT",
        "first_name": "ROBERT",
        "middle_name": "JAY",
        "name_prefix": "Dr.",
        "credential": "DDS",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2020-04-15",
        "last_updated": "2026-05-18",
        "certification_date": "2026-05-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1223E0200X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Dentist, Endodontics",
            "state": "MI",
            "license": "2901600453",
            "primary": true
        },
        {
            "code": "1223G0001X",
            "taxonomy_group": "",
            "desc": "Dentist, General Practice",
            "state": "MI",
            "license": "2901600453",
            "primary": false
        },
        {
            "code": "1223P0700X",
            "taxonomy_group": "",
            "desc": "Dentist, Prosthodontics",
            "state": "MI",
            "license": "2901600453",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Elizabeth Ann Marie Atwood, CADC
• Kelly Aubry, PT
• Audiology and Hearing Services LLC
• Tyler Auge, RN
• Sherry Aujla, DO
• Alysha Lee Ausmus, PA-C
• Trina Louise Austin-Morrison
• Anitra Austin
• Spencer Joe Austin, R.PH.
• Karlis E Austrins, DO

• Endodontics in Lansing, MI
• Providers in Lansing, MI by specialty
• Endodontics in Michigan

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