Isabel Clare Frazier, RD

Primary specialty

Registered DietitianTaxonomy code 133V00000X

License

86342572 Issued in CA

Practice address

114 Pacifica Ste 450
Irvine, CA 92618-3343

Phone

(949) 861-5633

NPI assigned

Dec 30, 2025

Last updated

Dec 30, 2025By the provider in NPPES

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

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

State licenses

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

{
    "created_epoch": "1767052800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1767052800000",
    "number": "1437015732",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3063 W CHAPMAN AVE APT 6304",
            "city": "ORANGE",
            "state": "CA",
            "postal_code": "928681760",
            "telephone_number": "408-605-6641"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "114 PACIFICA STE 450",
            "city": "IRVINE",
            "state": "CA",
            "postal_code": "926183343",
            "telephone_number": "949-861-5633"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "FRAZIER",
        "first_name": "ISABEL",
        "middle_name": "CLARE",
        "credential": "RD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-12-30",
        "last_updated": "2025-12-30",
        "certification_date": "2025-12-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "133V00000X",
            "taxonomy_group": "",
            "desc": "Dietitian, Registered",
            "state": "CA",
            "license": "86342572",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• David Lawrence Franklin, PSY.D.
• Tiffany Franklin
• Kevin Frautschy, LVN
• Michael Fraze, M.D
• Claire Elaine Frazier-Yzaguirre, MFT
• Lynne M Frazier, PHARMD
• Robert Lester Freed, MD
• Kelly Freese
• Adriana Renee Fregoso
• Jeanne Frei, OTR/L

• Registered Dietitian in Irvine, CA
• Providers in Irvine, CA by specialty
• Registered Dietitian in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 30, 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.