John Michael Constantine, D.M.D.

Primary specialty

DentistTaxonomy code 122300000X

License

13043 Issued in TN

Practice address

117 W Sevier Ave
Kingsport, TN 37660-3799

Phone

(423) 933-3981

NPI assigned

Apr 14, 2016

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

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.

• Downtown Dental, P.a.

  • Dental Clinic/Center
  • Winter Park, FL
  • NPI 1831775410
  NPD

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

{
    "created_epoch": "1460592000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1772409600000",
    "number": "1659725869",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "185 N LAKEMONT AVE",
            "city": "WINTER PARK",
            "state": "FL",
            "postal_code": "327923203",
            "telephone_number": "407-644-7703"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "117 W SEVIER AVE",
            "city": "KINGSPORT",
            "state": "TN",
            "postal_code": "376603799",
            "telephone_number": "423-933-3981"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "185 N Lakemont Ave",
            "address_purpose": "LOCATION",
            "city": "Winter Park",
            "state": "FL",
            "postal_code": "327923203",
            "country_code": "US",
            "telephone_number": "407-644-7703",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CONSTANTINE",
        "first_name": "JOHN",
        "middle_name": "MICHAEL",
        "name_prefix": "Dr.",
        "credential": "D.M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2016-04-14",
        "last_updated": "2026-03-02",
        "certification_date": "2026-03-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1223G0001X",
            "taxonomy_group": "",
            "desc": "Dentist, General Practice",
            "state": "FL",
            "license": "DN22257",
            "primary": false
        },
        {
            "code": "122300000X",
            "taxonomy_group": "",
            "desc": "Dentist",
            "state": "TN",
            "license": "13043",
            "primary": true
        },
        {
            "code": "261QM2500X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Medical Specialty",
            "state": "FL",
            "license": "DN22257",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Joshua Barrett Compton, P.A.
• Michael Matthew Compton, FNP
• Andrew David Conkin, DDS
• Virginia Conkin
• Bethany Conly
• Christopher Cook
• Kristi Cook, FNP
• Lisa Renee Cook, FNP
• Nancy Maria Kanarski Cook, PA
• Bryan Cooke, MSN, APRN, PMHNP-BC

• Dentist in Kingsport, TN
• Providers in Kingsport, TN by specialty
• Dentist in Tennessee

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 2, 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.