Sierra A Mathes

Primary specialty

Dental AssistantTaxonomy code 126800000X

Practice address

9300 SE 91St Ave Ste 310
Happy Valley, OR 97086-3762

Phone

(800) 813-2000

NPI assigned

Apr 20, 2026

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Electronic endpoints 1

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

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

{
    "created_epoch": "1776643200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776643200000",
    "number": "1952246738",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9300 SE 91ST AVE STE 310",
            "city": "HAPPY VALLEY",
            "state": "OR",
            "postal_code": "970863762",
            "telephone_number": "800-813-2000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9300 SE 91ST AVE STE 310",
            "city": "HAPPY VALLEY",
            "state": "OR",
            "postal_code": "970863762",
            "telephone_number": "800-813-2000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MATHES",
        "first_name": "SIERRA",
        "middle_name": "A",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-04-20",
        "last_updated": "2026-04-20",
        "certification_date": "2026-04-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "126800000X",
            "taxonomy_group": "",
            "desc": "Dental Assistant",
            "state": "OR",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "OTHERS",
            "endpointTypeDescription": "Other URL",
            "endpoint": "securerecords.sanford.html",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "10984 SE 232nd Ave",
            "city": "Damascus",
            "state": "OR",
            "country_code": "US",
            "postal_code": "970896171",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Anthony Manzon, PHARMD
• Blake Marcella, PT, DPT
• Jonathan Marquand, LMT
• Sarah Anne Martin
• Lionel P Marx, PA
• Sarah Jean Matney, NP
• Rebecca Matteson, PHARMD
• Madeline McCalder, DC
• Mhairi Ann McFarlane, MD
• Tanya Akemi McKee, LMT

• All providers in Happy Valley, OR
• Dental Assistant in Oregon

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 20, 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.