NPIMap

Individual provider Active NPI

George Harry Tsougranis, DMD

  • Dentist
  • Portsmouth, NH
National Provider Identifier
1033776992
Registry record updated Sep 8, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
DentistTaxonomy code 122300000X
License
05293 Issued in NH
Practice address
238 Deer Street
Unit 100
Portsmouth, NH 03801
Phone
(603) 956-1213
NPI assigned
May 24, 2019
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 8, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Dentist 122300000X 05293 NH Primary
General Practice Dentistry 1223G0001X 1858271 MA

Addresses

Primary practice location

238 Deer Street
Unit 100
Portsmouth, NH 03801

Mailing address

238 Deer Street
Unit 100
Portsmouth, NH 03801
Phone (603) 988-9660

Other practice location 1

282 Elm St
Amesbury, MA 01913-4320
Phone (978) 388-3505

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address gtsougranis@me.com Direct

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
1858271MAMDGeneral Practice Dentistry

Practice roles

OrganizationSpecialtyStatusNew patients
Soma Dental Current Accepting new patients
Dentmax LLC General Practice Past Accepting new patients
Peak Dental Implant Solutions General Practice PastSince Jul 7, 2024 Accepting new patients

Organizations & group practices 3

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": "1558656000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788825600000",
    "number": "1033776992",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "238 DEER STREET",
            "address_2": "UNIT 100",
            "city": "PORTSMOUTH",
            "state": "NH",
            "postal_code": "03801",
            "telephone_number": "603-988-9660"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "238 DEER STREET",
            "address_2": "UNIT 100",
            "city": "PORTSMOUTH",
            "state": "NH",
            "postal_code": "03801",
            "telephone_number": "603-956-1213"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "282 Elm St",
            "address_purpose": "LOCATION",
            "city": "Amesbury",
            "state": "MA",
            "postal_code": "019134320",
            "country_code": "US",
            "telephone_number": "978-388-3505",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "TSOUGRANIS",
        "first_name": "GEORGE",
        "middle_name": "HARRY",
        "credential": "DMD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-05-24",
        "last_updated": "2026-09-08",
        "certification_date": "2026-09-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "122300000X",
            "taxonomy_group": "",
            "desc": "Dentist",
            "state": "NH",
            "license": "05293",
            "primary": true
        },
        {
            "code": "1223G0001X",
            "taxonomy_group": "",
            "desc": "Dentist, General Practice",
            "state": "MA",
            "license": "1858271",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "gtsougranis@me.com",
            "affiliation": "N",
            "endpointDescription": "Primary practice",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "CSV",
            "contentTypeDescription": "CSV",
            "address_1": "282 Elm St",
            "city": "Amesbury",
            "state": "MA",
            "country_code": "US",
            "postal_code": "019134320",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Portsmouth, NH

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 8, 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.