Thomas J Grass DMD LLC

Primary specialty

General Practice DentistryTaxonomy code 1223G0001X

Legal business name

THOMAS J GRASS DMD LLC

Doing business as

Dr. Thomas J. Grass, DMD

Practice address

1621 Tongass Ave Ste 301
Ketchikan, AK 99901-6074

Phone

(907) 225-7445

Fax

(907) 225-8137

NPI assigned

Mar 2, 2026

Organization subpart

No

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

Authorized official

Name

Thomas James Grass, DMDNPI 1912554601

Title

Owner

Phone

(503) 702-3080

Specialties & licenses 1

Addresses

Other names 1

• Dr. Thomas J. Grass, DMD Doing business as

Locations

Practitioners 2

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

• Thomas James Grass, DMD

  • General Practice Dentistry
  • Waco, TX
  • NPI 1912554601
  NPD Authorized official
• Arne Robert Pihl, DMD

  • Dentist
  • Ketchikan, AK
  • NPI 1285741496
  NPD (past)

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

{
    "created_epoch": "1772409600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1772409600000",
    "number": "1184579427",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 1205",
            "city": "WARD COVE",
            "state": "AK",
            "postal_code": "999281205",
            "telephone_number": "503-702-3080"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1621 TONGASS AVE STE 301",
            "city": "KETCHIKAN",
            "state": "AK",
            "postal_code": "999016074",
            "telephone_number": "907-225-7445",
            "fax_number": "907-225-8137"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "THOMAS J GRASS DMD LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-03-02",
        "last_updated": "2026-03-02",
        "certification_date": "2026-03-02",
        "status": "A",
        "authorized_official_last_name": "GRASS",
        "authorized_official_first_name": "THOMAS",
        "authorized_official_middle_name": "JAMES",
        "authorized_official_title_or_position": "OWNER",
        "authorized_official_telephone_number": "503-702-3080",
        "authorized_official_credential": "DMD"
    },
    "taxonomies": [
        {
            "code": "1223G0001X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Dentist, General Practice",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Dr. Thomas J. Grass, DMD",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

• Temsco Helicopters, Inc.
• Kandi Tetley
• Jessica Teune, MS, RDN, LD
• The Manor LLC
• Thomas B. Nordtvedt, DDS, Apc
• Genevieve Thomas
• Gregory Thomas
• Kara E Thomas, LPC
• Laurie Anne Thomas, M.ED
• Brittany Thompson

• General Practice Dentistry in Ketchikan, AK
• Providers in Ketchikan, AK by specialty
• General Practice Dentistry in Alaska

• 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.