Six Nutrition and Diabetes LLC

Primary specialty

Registered DietitianTaxonomy code 133V00000X

Legal business name

SIX NUTRITION AND DIABETES LLC

Practice address

4501 15TH Ave S Ste 102
Seattle, WA 98108-1874

Phone

(805) 455-5712

NPI assigned

Oct 13, 2025

Organization subpart

No

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

Authorized official

Name

Ms. Kelly Marie Six, RDNNPI 1952078453

Title

Owner

Phone

(805) 455-5712

Specialties & licenses 1

Addresses

Practitioners 1

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

• Kelly Marie Six, RDN

  • Registered Dietitian
  • Seattle, WA
  • NPI 1952078453

  Dietitian, Registered

  NPD Authorized official

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

{
    "created_epoch": "1760313600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1760313600000",
    "number": "1023984580",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4501 15TH AVE S STE 102",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981081874",
            "telephone_number": "805-455-5712"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4501 15TH AVE S STE 102",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981081874",
            "telephone_number": "805-455-5712"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "SIX NUTRITION AND DIABETES LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2025-10-13",
        "last_updated": "2025-10-13",
        "certification_date": "2025-10-13",
        "status": "A",
        "authorized_official_last_name": "SIX",
        "authorized_official_first_name": "KELLY",
        "authorized_official_middle_name": "MARIE",
        "authorized_official_title_or_position": "OWNER",
        "authorized_official_telephone_number": "805-455-5712",
        "authorized_official_name_prefix": "Ms.",
        "authorized_official_credential": "RDN"
    },
    "taxonomies": [
        {
            "code": "133V00000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Dietitian, Registered",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Janarthan Sivaratnam, PHD
• Cheyenne Mechelle Siverly, DPT
• Derrick Siverson
• Sonja Sivesind
• Scott Sivola
• Kelly Marie Six, RDN
• Ahmad Siyar
• James D Sizemore
• Meredith Bledsoe Sjoberg, PHD
• Britta A Sjoding, M.S., G.C.

• Registered Dietitian in Seattle, WA
• Providers in Seattle, WA by specialty
• Registered Dietitian in Washington

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 13, 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.