James Todd Walker

Primary specialty

Sports Medicine (Orthopaedic Surgery) PhysicianTaxonomy code 207XX0005X

License

T7077 Issued in TX

Practice address

4700 Seton Center Pkwy Ste 200
Austin, TX 78759-4107

Phone

(512) 439-1000

NPI assigned

Jul 9, 2015

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 3

Addresses

Other identifiers 1

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

Sports MedicineAlso: Orthopedic Surgery

Education

University of Texas Medical School at San Antonio, 2015

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Ortholonestar PLLCGroup PAC ID 9931529062, 416 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• North Austin Medical Center Hospital, Austin, TX, CCN 450809
• Bassett Healthcare Hospital, Cooperstown, NY, CCN 330136
• Baylor Scott & White Institute for Rehabilitation Inpatient rehabilitation facility, Lakeway, TX, CCN 673058

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: james.walker.1@15533.direct.athenahealth.com

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.

• Ortholonestar, PLLC

  • Orthopaedic Surgery Physician
  • Houston, TX
  • NPI 1942860176
  Medicare reassignment Care Compare group NPD
• Ortholonestar, PLLC

  • Orthopaedic Surgery Physician
  • Tomball, TX
  • NPI 1073475679
  NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Bir JV LLP

  • Rehabilitation Hospital
  • Lakeway, TX
  • NPI 1851889463

  Inpatient rehabilitation facility

  Care Compare affiliation
• St Davids Healthcare Partnership LP LLP

  • General Acute Care Hospital
  • Austin, TX
  • NPI 1629021845
  Care Compare affiliation
• Mary Imogene Bassett Hospital

  • Rural Acute Care Hospital
  • Cooperstown, NY
  • NPI 1780600577
  Care Compare affiliation

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

{
    "created_epoch": "1436400000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1745884800000",
    "number": "1922481803",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4700 SETON CENTER PKWY STE 200",
            "city": "AUSTIN",
            "state": "TX",
            "postal_code": "787594107",
            "telephone_number": "512-439-1000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4700 SETON CENTER PKWY STE 200",
            "city": "AUSTIN",
            "state": "TX",
            "postal_code": "787594107",
            "telephone_number": "512-439-1000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "101 Medical Pkwy Ste 120",
            "address_purpose": "LOCATION",
            "city": "Lakeway",
            "state": "TX",
            "postal_code": "787385647",
            "country_code": "US",
            "telephone_number": "512-439-1000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "4700 Campus Village Dr Ste 100",
            "address_purpose": "LOCATION",
            "city": "Round Rock",
            "state": "TX",
            "postal_code": "786653025",
            "country_code": "US",
            "telephone_number": "512-439-1000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WALKER",
        "first_name": "JAMES",
        "middle_name": "TODD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2015-07-09",
        "last_updated": "2025-04-29",
        "certification_date": "2025-04-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207X00000X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery",
            "state": "SC",
            "license": "85889",
            "primary": false
        },
        {
            "code": "207X00000X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery",
            "state": "TX",
            "license": "T7077",
            "primary": false
        },
        {
            "code": "207XX0005X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery, Sports Medicine",
            "state": "TX",
            "license": "T7077",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "PENDING",
            "state": "SC"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Crystal Walker, PHD, DNP, FNP-C
• Gregory James Walker, APRN, PMHNP-BC
• Haley Walker, MA, RDN, LDN
• Halle Bria Walker
• James Walker, LCSW, LCDC, CGP
• John D Walker, MD, FAWM, FNAP
• Katherina Maria Walker, CRNA
• Kendyl J Walker, PTA
• Kevin James Walker, MSPT
• Kitty Walker, L.C.S.W

• Sports Medicine (Orthopaedic Surgery) Physician in Austin, TX
• Providers in Austin, TX by specialty
• Sports Medicine (Orthopaedic Surgery) Physician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 29, 2025; 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.