Individual provider Active NPI

Robert John Frank, DDS

  • Endodontics
  • Fort Sill, OK
National Provider Identifier
1124008024
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
EndodonticsTaxonomy code 1223E0200X
License
40934 Issued in CA
Practice address
2776 Ringold Road
Fort Sill, OK 73503
Phone
(580) 442-5223
NPI assigned
Jan 18, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Endodontics 1223E0200X 40934 CA Primary

Addresses

Primary practice location

2776 Ringold Road
Fort Sill, OK 73503

Mailing address

4558 San Siro Dr
Sarasota, FL 34235-3641
Phone (941) 355-4815

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
40934CAMDPhysical Therapist

NPI Registry JSON

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

{
    "created_epoch": "1137542400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1124008024",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4558 SAN SIRO DR",
            "city": "SARASOTA",
            "state": "FL",
            "postal_code": "342353641",
            "telephone_number": "941-355-4815",
            "fax_number": "941-355-4813"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2776 RINGOLD ROAD",
            "city": "FORT SILL",
            "state": "OK",
            "postal_code": "73503",
            "telephone_number": "580-442-5223"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "FRANK",
        "first_name": "ROBERT",
        "middle_name": "JOHN",
        "name_prefix": "Dr.",
        "credential": "DDS",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-01-18",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1223E0200X",
            "taxonomy_group": "",
            "desc": "Dentist, Endodontics",
            "state": "CA",
            "license": "40934",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Fort Sill, OK

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.