Sean O'Brien, MD

Primary specialty

Orthopaedic Surgery PhysicianTaxonomy code 207X00000X

License

0047383 Issued in WI

Practice address

1100 Wilford Hall Loop
Jbsa Lackland, TX 78236-5638

Phone

(210) 292-3440

NPI assigned

Jul 11, 2007

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

Eligible to order & refer

• Part B services: No
• Medical equipment: Yes
• Home health: No
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

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

{
    "created_epoch": "1184112000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1779408000000",
    "number": "1689872699",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1100 WILFORD HALL LOOP",
            "city": "JBSA LACKLAND",
            "state": "TX",
            "postal_code": "782365638",
            "telephone_number": "210-292-3440"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1100 WILFORD HALL LOOP",
            "city": "JBSA LACKLAND",
            "state": "TX",
            "postal_code": "782365638",
            "telephone_number": "210-292-3440"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "O'BRIEN",
        "first_name": "SEAN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-07-11",
        "last_updated": "2026-05-22",
        "certification_date": "2026-05-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207X00000X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery",
            "state": "WI",
            "license": "0047383",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Kristen Benae Nichols, D.D.S.
• Summer Nicholson
• Mario George Nicolas, PH.D
• Giovanda D Norman, PHD
• Gianni North
• Martin R Oberg, MD
• Jarrod Paul Odom, MD
• Kevin Okoli
• Mark Allan Oliver, LISW-CP, PHD
• Anna Olson, DMD

• Orthopaedic Surgery Physician in Jbsa Lackland, TX
• Providers in Jbsa Lackland, TX by specialty
• Orthopaedic Surgery Physician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 22, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.