Constantine Vlassopoulos, DDS

Primary specialty

General Practice DentistryTaxonomy code 1223G0001X

License

DEN4471 Issued in ME

Practice address

12 Newmarch St
Kittery, ME 03904-1619

Phone

(207) 305-9141

NPI assigned

May 25, 2016

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in ME

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: No
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Dentist

Education

Columbia University College of Dental Medicine, 1992

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Locations

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.

• Katahdin Valley Health Center

  • Federally Qualified Health Center (FQHC)
  • Houlton, ME
  • NPI 1376618546
  Medicare reassignment
• Katahdin Valley Health Center

  • Federally Qualified Health Center (FQHC)
  • Brownville, ME
  • NPI 1053787721
  NPD
• Katahdin Valley Health Center

  • Community/Retail Pharmacy
  • Brownville, ME
  • NPI 1699479311
  NPD

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

{
    "created_epoch": "1464134400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1772150400000",
    "number": "1861840472",
    "addresses": [
        {
            "country_code": "GR",
            "country_name": "Greece",
            "address_purpose": "MAILING",
            "address_type": "FGN",
            "address_1": "17 KERASOUNTOS STREET",
            "city": "ATHENS",
            "state": "ATTICA",
            "postal_code": "11528",
            "telephone_number": "3012107773423"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "12 NEWMARCH ST",
            "city": "KITTERY",
            "state": "ME",
            "postal_code": "039041619",
            "telephone_number": "207-305-9141"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "50 Summer St",
            "address_purpose": "LOCATION",
            "city": "Millinocket",
            "state": "ME",
            "postal_code": "044621400",
            "country_code": "US",
            "telephone_number": "207-538-3700",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "VLASSOPOULOS",
        "first_name": "CONSTANTINE",
        "name_prefix": "Dr.",
        "credential": "DDS",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2016-05-25",
        "last_updated": "2026-02-27",
        "certification_date": "2026-02-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1223G0001X",
            "taxonomy_group": "",
            "desc": "Dentist, General Practice",
            "state": "ME",
            "license": "DEN4471",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Town of Kittery
• Stewart James Turner, MD
• Nicole Tuzinski, CCPC
• Jan Vanderlinde, MD
• Vantage Healthcare Inc
• Walgreen Eastern Co Inc
• Kevin M Webb, O.D.
• George Ethen Webber, M.D.
• Meryl S Wein, LCPC
• Wende Pediatrics

• General Practice Dentistry in Kittery, ME
• Providers in Kittery, ME by specialty
• General Practice Dentistry in Maine

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 27, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.