Sandra Isabel Castillo Allen, FNP-C

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

APRN11049431 Issued in FL

Practice address

3906 US Highway 98 W # 1522
Santa Rosa Beach, FL 32459-4026

Phone

(850) 308-0867

Fax

(850) 509-1764

NPI assigned

Jul 13, 2026

Last updated

Oct 30, 2026By 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": "1783900800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1793318400000",
    "number": "1235058587",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "139 GOLDEN EAGLE CT",
            "city": "SANTA ROSA BEACH",
            "state": "FL",
            "postal_code": "324598314"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3906 US HIGHWAY 98 W # 1522",
            "city": "SANTA ROSA BEACH",
            "state": "FL",
            "postal_code": "324594026",
            "telephone_number": "850-308-0867",
            "fax_number": "850-509-1764"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2050 W County Highway 30A Ste M1-214",
            "address_purpose": "LOCATION",
            "city": "Santa Rosa Beach",
            "state": "FL",
            "postal_code": "324590187",
            "country_code": "US",
            "telephone_number": "850-308-0867",
            "fax_number": "850-509-1764",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CASTILLO ALLEN",
        "first_name": "SANDRA",
        "middle_name": "ISABEL",
        "credential": "FNP-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-07-13",
        "last_updated": "2026-10-30",
        "certification_date": "2026-10-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "FL",
            "license": "APRN11049431",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Madison Butcher
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• Sarah Canterbury
• Nikole Ann Carr
• Amber Maray Cassady
• Chelsie Briana Caudill
• David Thomas Chandler, M.D.
• Michelle Simone Chellew, DPT
• Elvira Chiccarelli, DDS
• Children's Volunteer Health Network Inc.

• Family Nurse Practitioner in Santa Rosa Beach, FL
• Providers in Santa Rosa Beach, FL by specialty
• Family Nurse Practitioner in Florida

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