Katherine Matias, R.D.

Primary specialty

Registered DietitianTaxonomy code 133V00000X

License

86060677

Practice address

12901 20TH Ave S
Seatac, WA 98168-5159

Phone

(206) 720-3987

NPI assigned

Jul 14, 2016

Sex

Female

Sole proprietor

Yes

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

Enrolled in WA

Enrollment records 1

Specialty

Registered Dietitian Or Nutrition Professional

Education

Other, 2014

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

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.

• Northwest Kidney Centers

  • End-Stage Renal Disease (ESRD) Treatment Clinic/Center
  • Seatac, WA
  • NPI 1700025038
  Medicare reassignment

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

{
    "created_epoch": "1468454400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773360000000",
    "number": "1104279157",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "12901 20TH AVE S",
            "city": "SEATAC",
            "state": "WA",
            "postal_code": "981685159",
            "telephone_number": "206-720-3987"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "12901 20TH AVE S",
            "city": "SEATAC",
            "state": "WA",
            "postal_code": "981685159",
            "telephone_number": "206-720-3987"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MATIAS",
        "first_name": "KATHERINE",
        "credential": "R.D.",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2016-07-14",
        "last_updated": "2026-03-13",
        "certification_date": "2026-03-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "133V00000X",
            "taxonomy_group": "",
            "desc": "Dietitian, Registered",
            "state": null,
            "license": "86060677",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Mwiche Lupambo
• Lutheran Community Services Northwest
• Sheila Grace Alegre Mahinay, CPHT
• Mbuyi Malela
• Katsiaryna Marynevich
• Raimona Matta, CERTIFIED PEER SPECI
• McCall Counseling, PLLC
• Cody James McCall, LMHC
• Katryna McCoy, FNP
• Janelle McElwain, LMT

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

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 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.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.