William Cris Simmons, DDS

Primary specialty

General Practice DentistryTaxonomy code 1223G0001X

License

DE00006392 Issued in WA

Practice address

509 Olive Way
Suite 1451
Seattle, WA 98101-1720

Phone

(206) 682-3399

Fax

(206) 682-0775

NPI assigned

Jul 28, 2005

Last updated

Jul 13, 2026By 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 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: No
• Hospice: Yes

Green means eligible to order or refer.

Opted out of Medicare

Yes, effective Jun 22, 2014 through Jun 22, 2028

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Bellevue Neuromuscular Dentistry LLC

  • General Practice Dentistry
  • Bellevue, WA
  • NPI 1033355581
  NPD (past)

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

{
    "created_epoch": "1122508800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1467452631",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "509 OLIVE WAY",
            "address_2": "SUITE 1451",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981011720",
            "telephone_number": "206-682-3399",
            "fax_number": "206-682-0775"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "509 OLIVE WAY",
            "address_2": "SUITE 1451",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981011720",
            "telephone_number": "206-682-3399",
            "fax_number": "206-682-0775"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SIMMONS",
        "first_name": "WILLIAM",
        "middle_name": "CRIS",
        "name_prefix": "Dr.",
        "credential": "DDS",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-07-28",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1223G0001X",
            "taxonomy_group": "",
            "desc": "Dentist, General Practice",
            "state": "WA",
            "license": "DE00006392",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Roosevelt Dominic Simmons, DPT
• Ryan Elizabeth Simmons, D.P.T.
• Sarah Beth Simmons, M.D.
• Sarah Diane Simmons, BA, BS
• Shannon Wagner Simmons, MD
• Stefani Rae Simms, RN
• Anne Neary Simnowitz, LMP
• Ariel Nova Simnowitz, LMP
• Porscha Kazmierczak Simoes, LICSW
• Simon Connor

• General Practice Dentistry in Seattle, WA
• Providers in Seattle, WA by specialty
• General Practice Dentistry in Washington

• 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.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring; Opt Out Affidavits.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.