Claire Greenfield, RN

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

F09260667 Issued in AZ

Practice address

5777 E Mayo Blvd
Phoenix, AZ 85054-4502

Phone

(480) 301-8000

NPI assigned

Sep 15, 2025

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

Registered Nurse

State licenses

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

{
    "created_epoch": "1757894400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1790208000000",
    "number": "1215808225",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5777 E MAYO BLVD",
            "city": "PHOENIX",
            "state": "AZ",
            "postal_code": "850544502"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5777 E MAYO BLVD",
            "city": "PHOENIX",
            "state": "AZ",
            "postal_code": "850544502",
            "telephone_number": "480-301-8000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "101 Civic Center Ln",
            "address_purpose": "LOCATION",
            "city": "Lake Havasu City",
            "state": "AZ",
            "postal_code": "864035683",
            "country_code": "US",
            "telephone_number": "928-855-8185",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GREENFIELD",
        "first_name": "CLAIRE",
        "credential": "RN",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-09-15",
        "last_updated": "2026-09-24",
        "certification_date": "2026-09-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "AZ",
            "license": "186054",
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "AZ",
            "license": "F09260667",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Juliann Greene
• Patricia Marie Greene, DMD
• William Greenen I
• Megan Elaine Greener, PA-C
• Tanya Greenfeld
• Mark A Greenfield, D.O.
• Kristina Andrea Greengard
• Chloe Greenhalgh-Adam, LAC
• Evan Michael Greenhall, DO, MA
• Greenhouse Wellness LLC

• Emergency Medicine Physician in Phoenix, AZ
• Providers in Phoenix, AZ by specialty
• Emergency Medicine Physician in Arizona

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 24, 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.