John Alexander, PHD

Primary specialty

Medical Geneticist (PhD) Specialist/TechnologistTaxonomy code 246ZG1000X

Practice address

1645 7TH St S
Jacksonville Beach, FL 32250-4044

Phone

(720) 752-3411

NPI assigned

Sep 15, 2026

Sex

Male

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

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

{
    "created_epoch": "1789430400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1789430400000",
    "number": "1821909276",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1645 7TH ST S",
            "city": "JACKSONVILLE BEACH",
            "state": "FL",
            "postal_code": "322504044"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1645 7TH ST S",
            "city": "JACKSONVILLE BEACH",
            "state": "FL",
            "postal_code": "322504044",
            "telephone_number": "720-752-3411"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ALEXANDER",
        "first_name": "JOHN",
        "credential": "PHD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2026-09-15",
        "last_updated": "2026-09-15",
        "certification_date": "2026-09-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "246ZG1000X",
            "taxonomy_group": "",
            "desc": "Specialist/Technologist, Other, Geneticist, Medical (PhD)",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Jorge A Aguilar, MD
• Charmaine A Aguirre, MD
• Safia Ahmed, MD
• Christina Diane Ahrens, ARNP
• Airemed Inc.
• John C Alexander, OTR/L
• Linda Louise Alexander, DPM
• Alice J. Reed, PA
• Alive4Health LLC
• Amanda Aloia

• Other Specialist/Technologist in Jacksonville Beach, FL
• Providers in Jacksonville Beach, FL by specialty
• Other Specialist/Technologist in Florida

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 15, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.

Verify at the official NPI Registry.