Xu Qian DDS Ms PHD, PLLC.

Primary specialty

DentistTaxonomy code 122300000X

Legal business name

XU QIAN DDS MS PHD, PLLC.

Doing business as

Sunny Smiles Orthodontics

Practice address

989 112TH Ave NE Ste 207
Bellevue, WA 98004-8579

Phone

(425) 300-5558

NPI assigned

Jan 2, 2026

Last updated

Jan 2, 2026By the provider in NPPES

Organization subpart

No

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

Authorized official

Name

Xu Qian, DDS MS PHD.NPI 1609352749

Title

President/Orthodontist

Phone

(734) 223-8940

Specialties & licenses 1

Addresses

Other names 1

• Sunny Smiles Orthodontics Doing business as

Locations

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

• Xu Qian, DDS, MS, PHD

  • Dentist
  • Bellevue, WA
  • NPI 1609352749
  NPD Authorized official

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

{
    "created_epoch": "1767312000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1767312000000",
    "number": "1588520555",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "18318 NE 105TH CT",
            "city": "REDMOND",
            "state": "WA",
            "postal_code": "980522834",
            "telephone_number": "734-223-8940"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "989 112TH AVE NE STE 207",
            "city": "BELLEVUE",
            "state": "WA",
            "postal_code": "980048579",
            "telephone_number": "425-300-5558"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "XU QIAN DDS MS PHD, PLLC.",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-01-02",
        "last_updated": "2026-01-02",
        "certification_date": "2026-01-02",
        "status": "A",
        "authorized_official_last_name": "QIAN",
        "authorized_official_first_name": "XU",
        "authorized_official_title_or_position": "PRESIDENT/ORTHODONTIST",
        "authorized_official_telephone_number": "734-223-8940",
        "authorized_official_credential": "DDS MS PHD."
    },
    "taxonomies": [
        {
            "code": "122300000X",
            "taxonomy_group": "",
            "desc": "Dentist",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Sunny Smiles Orthodontics",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

• Yifei Xiao
• Thomas Xie
• Xuemei Xie
• Lu Xing, LBA
• Xpertsmile, Inc (XpertSmile)
• Jin Xu
• Nancy C Xu, ARNP, CNM, WHNP
• Yina Xu
• Run Xue, MD
• Neha Yadav, M.D

• 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 Jan 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.