Siamak Najafi-Abrandabadi, D.D.S

Primary specialty

DentistTaxonomy code 122300000X

License

DE61247820 Issued in WA

Practice address

14645 NE Bel Red Rd Ste 100
Bellevue, WA 98007-3929

Phone

(425) 644-2205

Fax

(425) 644-1564

NPI assigned

Sep 22, 2016

Last updated

Feb 23, 2025By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 4

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not 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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Bellevue Dentist

  • Prosthodontics
  • Bellevue, WA
  • NPI 1861106668

  Dentist

  NPD Authorized official
• Debra M. Enneking, D.D.S.,P.L.L.C.

  • General Practice Dentistry
  • Seattle, WA
  • NPI 1295941235
  NPD (past)
• Gregory B Mortensen DDS

  • Point of Service
  • Bellevue, WA
  • NPI 1316491244
  NPD (past)

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

{
    "created_epoch": "1474502400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1740268800000",
    "number": "1356890081",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "14645 NE BEL RED RD STE 100",
            "city": "BELLEVUE",
            "state": "WA",
            "postal_code": "980073929",
            "telephone_number": "425-644-2205",
            "fax_number": "425-644-1564"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "14645 NE BEL RED RD STE 100",
            "city": "BELLEVUE",
            "state": "WA",
            "postal_code": "980073929",
            "telephone_number": "425-644-2205",
            "fax_number": "425-644-1564"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NAJAFI-ABRANDABADI",
        "first_name": "SIAMAK",
        "name_prefix": "Dr.",
        "credential": "D.D.S",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2016-09-22",
        "last_updated": "2025-02-23",
        "certification_date": "2025-02-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "122300000X",
            "taxonomy_group": "",
            "desc": "Dentist",
            "state": "WA",
            "license": "DE61247820",
            "primary": true
        },
        {
            "code": "1223G0001X",
            "taxonomy_group": "",
            "desc": "Dentist, General Practice",
            "state": "VA",
            "license": "0401416345",
            "primary": false
        },
        {
            "code": "1223G0001X",
            "taxonomy_group": "",
            "desc": "Dentist, General Practice",
            "state": "TX",
            "license": "36213",
            "primary": false
        },
        {
            "code": "1223G0001X",
            "taxonomy_group": "",
            "desc": "Dentist, General Practice",
            "state": "CA",
            "license": "106077",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Arash Nadershahi, M.D.
• Nadeshiko Women's Clinic, PLLC
• Kevin Naficy, MSD, DMD
• Sam Naficy, M.D., P.S.
• Miyuki Nagata, DDS
• Mahboubeh Najariantousi
• Catherine Najera
• Akira Nakada, DMD
• Nakajima Acutherapy, LLC
• Atsuko Nakajima, EAMP

• Dentist in Bellevue, WA
• Providers in Bellevue, WA by specialty
• Dentist in Washington

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 23, 2025; 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.