Justin Marshall O'Brien, MD

Primary specialty

Psychiatry PhysicianTaxonomy code 2084P0800X

License

U3969 Issued in TX

Practice address

3223 S Loop 289 Ste 600
Lubbock, TX 79423-1372

Phone

(833) 351-8255

NPI assigned

Mar 27, 2021

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

Enrolled in TX

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Psychiatry

Education

Other, 2021

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Iconiq Spine and Orthopaedic Center, PLLCGroup PAC ID 3476902719, 6 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

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.

• Iconiq Spine & Orthopaedic Center PLLC

  • Interventional Pain Medicine Physician
  • Irving, TX
  • NPI 1578279238
  Medicare reassignment Care Compare group NPD
• Justin O'Brien MD, PLLC

  • Psychiatry Physician
  • Prosper, TX
  • NPI 1396608667
  NPD Authorized official
• Southtown Psychiatry PLLC

  • Psychiatry Physician
  • San Antonio, TX
  • NPI 1457167702
  Medicare reassignment
• Iconiq Spine & Orthopaedic Center PLLC

  • Durable Medical Equipment & Medical Supplies
  • Fort Worth, TX
  • NPI 1982440426
  NPD (past)

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

{
    "created_epoch": "1616803200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787702400000",
    "number": "1306423017",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3223 S LOOP 289 STE 600",
            "city": "LUBBOCK",
            "state": "TX",
            "postal_code": "794231372",
            "telephone_number": "833-351-8255"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3223 S LOOP 289 STE 600",
            "city": "LUBBOCK",
            "state": "TX",
            "postal_code": "794231372",
            "telephone_number": "833-351-8255"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "15000 Weston Pkwy",
            "address_purpose": "LOCATION",
            "city": "Cary",
            "state": "NC",
            "postal_code": "275132118",
            "country_code": "US",
            "telephone_number": "833-351-8255",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "O'BRIEN",
        "first_name": "JUSTIN",
        "middle_name": "MARSHALL",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2021-03-27",
        "last_updated": "2026-08-26",
        "certification_date": "2026-08-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "TX",
            "license": "U3969",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Lincoln Nymeyer, MD
• Carl Scott O'Banion, PHARMD, BCNSP
• Kristin Nicole O'Banion, APRN, FNP-C
• Ethan Bernard O'Boyle, DO
• Brandee Denise O'Brian, RN
• John O'Connor Jr.
• Renee O'Dell, PTA
• Fiona O'Donnell
• Kaitlin O'Hagan, DO
• David S. O'Hara, D.D.S.

• Psychiatry Physician in Lubbock, TX
• Providers in Lubbock, TX by specialty
• Psychiatry Physician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 26, 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.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.