Individual provider Active NPI

Ronald Raymond Mainhurst, DMD

  • General Practice Dentistry
  • Saint Louis, MO
National Provider Identifier
1740277540
Registry record updated Jan 4, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
General Practice DentistryTaxonomy code 1223G0001X
License
014599 Issued in MO
Practice address
2647 Locust St
Saint Louis, MO 63103-1411
Phone
(855) 751-8879
Fax
(833) 529-0574
NPI assigned
Oct 5, 2005
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 4, 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 014599 MO Primary

Addresses

Primary practice location

2647 Locust St
Saint Louis, MO 63103-1411

Mailing address

PO Box 18412
Palatine, IL 60055-8412
Phone (866) 525-5484

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

State licenses

LicenseStateTypeSpecialty
014599MOMDGeneral Practice Dentistry

Practice roles

OrganizationSpecialtyStatusNew patients
Ronald R Mainhurst DMD PC General Practice Past Accepting new patients
Vivent Health Inc Dentist PastSince Nov 18, 2025 Accepting new patients

Interoperability endpoints

  • Direct secure messaging: rmainhurst679543@direct.ochin.org

Organizations & group practices 2

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.

NPI Registry JSON

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

{
    "created_epoch": "1128470400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1767484800000",
    "number": "1740277540",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 18412",
            "city": "PALATINE",
            "state": "IL",
            "postal_code": "600558412",
            "telephone_number": "866-525-5484",
            "fax_number": "833-394-4961"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2647 LOCUST ST",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631031411",
            "telephone_number": "855-751-8879",
            "fax_number": "833-529-0574"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MAINHURST",
        "first_name": "RONALD",
        "middle_name": "RAYMOND",
        "name_prefix": "Dr.",
        "credential": "DMD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-10-05",
        "last_updated": "2026-01-04",
        "certification_date": "2026-01-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1223G0001X",
            "taxonomy_group": "",
            "desc": "Dentist, General Practice",
            "state": "MO",
            "license": "014599",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Saint Louis, MO

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 4, 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.