Brian Gregory Seaholm, DMD

Primary specialty

DentistTaxonomy code 122300000X

License

D6110 Issued in OR

Practice address

1103 3Rd St
Tillamook, OR 97141-3402

Phone

(503) 842-6268

Fax

(503) 842-1366

NPI assigned

Jan 18, 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

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

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.

• Benjamin Zike DDS

  • Dental Clinic/Center
  • Tillamook, OR
  • NPI 1902363393
  NPD (past)
• Thompson Mainstay LLC

  • Dental Clinic/Center
  • Tillamook, OR
  • NPI 1770399875
  NPD (past)

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

{
    "created_epoch": "1137542400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1831179746",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3300 ALLA LN",
            "city": "TILLAMOOK",
            "state": "OR",
            "postal_code": "971419016",
            "telephone_number": "503-842-6268"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1103 3RD ST",
            "city": "TILLAMOOK",
            "state": "OR",
            "postal_code": "971413402",
            "telephone_number": "503-842-6268",
            "fax_number": "503-842-1366"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SEAHOLM",
        "first_name": "BRIAN",
        "middle_name": "GREGORY",
        "name_prefix": "Dr.",
        "credential": "DMD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-01-18",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "122300000X",
            "taxonomy_group": "",
            "desc": "Dentist",
            "state": "OR",
            "license": "D6110",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Jane Sandquist, MA
• Kathleen Yvonne Saunders, MS, MPH, RD, LD
• Glen Walter Sayler, M.D.
• Melinda Scott
• Kathkleen Ann Scully, MS
• Jessica L Shackelton, MSW
• Michael T Shaffer
• Karen Sheelar
• Kathy J Sias
• Joy Anna Sigurdson, DMD

• Dentist in Tillamook, OR
• Providers in Tillamook, OR by specialty
• Dentist in Oregon

• 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.