Elyseon

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

Legal business name

ELYSEON

Practice address

9925 Gillespie Dr Ste 2100
Plano, TX 75025-1096

Phone

(972) 292-9809

NPI assigned

Jan 5, 2026

Organization subpart

No

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

Authorized official

Name

Dr. William Harris, DO

Title

Owner

Phone

(469) 815-3229

Specialties & licenses 1

Addresses

Locations

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

{
    "created_epoch": "1767571200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1767571200000",
    "number": "1902762875",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9925 GILLESPIE DR STE 2100",
            "city": "PLANO",
            "state": "TX",
            "postal_code": "750251096",
            "telephone_number": "972-292-9809"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9925 GILLESPIE DR STE 2100",
            "city": "PLANO",
            "state": "TX",
            "postal_code": "750251096",
            "telephone_number": "972-292-9809"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "ELYSEON",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-01-05",
        "last_updated": "2026-01-05",
        "certification_date": "2026-01-04",
        "status": "A",
        "authorized_official_last_name": "HARRIS",
        "authorized_official_first_name": "WILLIAM",
        "authorized_official_title_or_position": "OWNER",
        "authorized_official_telephone_number": "469-815-3229",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "DO"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Family Medicine",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Family Medicine Physician in Plano, TX
• Providers in Plano, TX by specialty
• Family Medicine Physician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 5, 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.