Landmark Dental PLLC

Primary specialty

General Practice DentistryTaxonomy code 1223G0001X

Legal business name

LANDMARK DENTAL PLLC

Practice address

70 Heber Springs Road
Batesville, AR 72501

Phone

(870) 557-0949

NPI assigned

Jun 11, 2026

Last updated

Jun 11, 2026By the provider in NPPES

Organization subpart

No

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

Authorized official

Name

Dr. Landon Austin Keaster, DDSNPI 1902285885

Title

Dentist/Manager

Phone

(870) 557-0949

Specialties & licenses 1

Addresses

Locations

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

• Landon Austin Keaster, D.D.S

  • Dentist
  • Oklahoma City, OK
  • NPI 1902285885
  NPD Authorized official

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

{
    "created_epoch": "1781136000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1781136000000",
    "number": "1184558371",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1700 GALLOWAY RD",
            "city": "NEWARK",
            "state": "AR",
            "postal_code": "725629137",
            "telephone_number": "870-557-0949"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "70 HEBER SPRINGS ROAD",
            "city": "BATESVILLE",
            "state": "AR",
            "postal_code": "72501",
            "telephone_number": "870-557-0949"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "LANDMARK DENTAL PLLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-06-11",
        "last_updated": "2026-06-11",
        "certification_date": "2026-05-29",
        "status": "A",
        "authorized_official_last_name": "KEASTER",
        "authorized_official_first_name": "LANDON",
        "authorized_official_middle_name": "AUSTIN",
        "authorized_official_title_or_position": "DENTIST/MANAGER",
        "authorized_official_telephone_number": "870-557-0949",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "DDS"
    },
    "taxonomies": [
        {
            "code": "1223G0001X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Dentist, General Practice",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• John Sydney Lambert, M.D.
• Kimberly Dawn Lamberth, OTRL
• Anthony W. Lamkin, MD
• Alisa R. Lancaster, APRN
• Jeanette Marie Landers, PTA
• Karen Langston, RN
• Terri Lankford
• John R Larson, MD
• Kristin Leigh Lashley, OTA/L
• Alison Lawhorn

• General Practice Dentistry in Batesville, AR
• Providers in Batesville, AR by specialty
• General Practice Dentistry in Arkansas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 11, 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.