Claire Alexis Masterson, MS

Primary specialty

Genetic Counselor (M.S.)Taxonomy code 170300000X

License

GEN-511 Issued in ID

Practice address

224 W Islay St Apt B
Santa Barbara, CA 93101-5810

Phone

(714) 328-0086

NPI assigned

Aug 17, 2023

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Credentials

Master of Science

State licenses

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

{
    "created_epoch": "1692230400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783382400000",
    "number": "1902689482",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "224 W ISLAY ST APT B",
            "city": "SANTA BARBARA",
            "state": "CA",
            "postal_code": "931015810",
            "telephone_number": "714-328-0086"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "224 W ISLAY ST APT B",
            "city": "SANTA BARBARA",
            "state": "CA",
            "postal_code": "931015810",
            "telephone_number": "714-328-0086"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MASTERSON",
        "first_name": "CLAIRE",
        "middle_name": "ALEXIS",
        "credential": "MS",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2023-08-17",
        "last_updated": "2026-07-07",
        "certification_date": "2026-07-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "170300000X",
            "taxonomy_group": "",
            "desc": "Genetic Counselor, MS",
            "state": "ID",
            "license": "GEN-511",
            "primary": true
        },
        {
            "code": "170300000X",
            "taxonomy_group": "",
            "desc": "Genetic Counselor, MS",
            "state": "CA",
            "license": "GC002097",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Lance Edison Mason, D.D.S.
• Barry Craig Mast, O.D.
• Master Medical Supply
• Master Medical Supply
• Master Medical Supply Inc
• Raymond J Mastrovito, MD
• Jon Russell Masuda, LMFT
• Lesley Jane Masuda
• Jonathan J Mates, LAC
• Cynthia Mathes, RN, PHN

• Genetic Counselor (M.S.) in Santa Barbara, CA
• Providers in Santa Barbara, CA by specialty
• Genetic Counselor (M.S.) in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 7, 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.