Sean Aidan O'Brien

Primary specialty

Behavior AnalystTaxonomy code 103K00000X

License

1-24-75947 Issued in FL

Practice address

1831 Golden Eagle Way
Fleming Island, FL 32003-4339

Phone

(904) 852-4063

NPI assigned

Apr 16, 2020

Sex

Male

Sole proprietor

Yes

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

Practice roles

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Guiding Light Behavioral Pediatrics LLC

  • Developmental - Behavioral Pediatrics Physician
  • Colorado Springs, CO
  • NPI 1164310447

  Behavior Analyst

  NPD (past) Authorized official

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

{
    "created_epoch": "1586995200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769731200000",
    "number": "1154940468",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3576 S DEPEW ST UNIT 305",
            "city": "LAKEWOOD",
            "state": "CO",
            "postal_code": "802352807",
            "telephone_number": "781-742-5619",
            "fax_number": "719-890-7194"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1831 GOLDEN EAGLE WAY",
            "city": "FLEMING ISLAND",
            "state": "FL",
            "postal_code": "320034339",
            "telephone_number": "904-852-4063"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "5067 N Academy Blvd",
            "address_purpose": "LOCATION",
            "city": "Colorado Springs",
            "state": "CO",
            "postal_code": "809184125",
            "country_code": "US",
            "telephone_number": "781-742-5619",
            "fax_number": "719-890-7194",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "O'BRIEN",
        "first_name": "SEAN",
        "middle_name": "AIDAN",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2020-04-16",
        "last_updated": "2026-01-30",
        "certification_date": "2026-01-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103K00000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Behavior Analyst",
            "state": "FL",
            "license": "1-24-75947",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Kaitlyn Jewel Nolan
• Travis Nolan, LCSW
• Karlee Butler Norell, PT
• North Florida Sleep Resources
• North Florida Surgeons, PA
• James M O'Callaghan, PA-C
• Candice Christina O'Connell, APRN
• Oasis Orthodontics, PLLC
• OB Hospitalist Group LLC
• Mellisa Ochoa

• Behavior Analyst in Fleming Island, FL
• Providers in Fleming Island, FL by specialty
• Behavior Analyst in Florida

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