John J Hellmann, D.D.S.

Primary specialty

DentistTaxonomy code 122300000X

License

30017063 Issued in OH

Practice address

476 Riddle Rd
Cincinnati, OH 45220-2411

Phone

(513) 281-8001

NPI assigned

May 31, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

State licenses

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

{
    "created_epoch": "1149033600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1659318731",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "850 MIAMI RIDGE DR",
            "city": "LOVELAND",
            "state": "OH",
            "postal_code": "451408100",
            "telephone_number": "513-583-1002"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "476 RIDDLE RD",
            "city": "CINCINNATI",
            "state": "OH",
            "postal_code": "452202411",
            "telephone_number": "513-281-8001"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HELLMANN",
        "first_name": "JOHN",
        "middle_name": "J",
        "name_prefix": "Dr.",
        "credential": "D.D.S.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-05-31",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "122300000X",
            "taxonomy_group": "",
            "desc": "Dentist",
            "state": "OH",
            "license": "30017063",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "0523115",
            "state": "OH"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Jeffrey A Heller, PSYD
• Tim D Heller, MSW, LISW
• David T. Hellkamp, PHD
• Gail Marie Hellmann, MD
• Jennifer A Hellmann, M.D.
• Joseph Richard Hellmann, M.D.
• Michael James Hellmann, M.D.
• Raymond H Hellmann III, MD
• Robert Hellmann, MD
• Teresa Hellmann

• Dentist in Cincinnati, OH
• Providers in Cincinnati, OH by specialty
• Dentist in Ohio

• 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.