Individual provider Active NPI

Timothy L Walker, M.D.

  • Orthopaedic Surgery Physician
  • Tea, SD
National Provider Identifier
1275530644
Registry record updated Apr 22, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Orthopaedic Surgery PhysicianTaxonomy code 207X00000X
License
5456 Issued in SD
Practice address
2120 Live Stronger St
Tea, SD 57064-8331
Phone
(605) 331-5890
NPI assigned
Jun 30, 2005
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 22, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Orthopaedic Surgery Physician 207X00000X 5456 SD Primary

Addresses

Primary practice location

2120 Live Stronger St
Tea, SD 57064-8331

Mailing address

2120 Live Stronger St
Tea, SD 57064-8331
Phone (605) 331-5890

Other identifiers 1

IdentifierTypeStateIssuer
6402250MedicaidSD

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in SD, IA, MN3 enrollments
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 3

Enrollment IDStateProvider typePAC IDDetails
I20040803000358 SD Practitioner - Orthopedic Surgery 9830160084 Reassigns benefits to 1 organization
I20040909001324 IA Practitioner - Orthopedic Surgery 9830160084 Reassigns benefits to 1 organization
I20221005003608 MN Practitioner - Orthopedic Surgery 9830160084 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Orthopedic Surgery
Education
Indiana Medical College, School of Medicine of Purdue University, 1998
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Orthopedic Institute PCGroup PAC ID 1254223894, 57 clinicians

Practice addresses (Care Compare)

1101 Broadway Ave
Yankton, SD 57078-2835
Phone (605) 331-5890

1300 S Burr St
Mitchell, SD 57301-4551
Phone (605) 331-5890

2120 Live Stronger St
Tea, SD 57064-8331
Phone (605) 331-5890

407 22ND Ave
Brookings, SD 57006-2427
Phone (605) 331-5890

4600 S Tennis LN
Sioux Falls, SD 57106-2244
Phone (605) 331-5890

503 E Lincoln St
Hendricks, MN 56136-9598
Phone (888) 331-5890

715 S Main Ave
Oi Sioux Center
Sioux Center, IA 51250-1349
Phone (605) 331-5890

810 E 23Rd St
Sioux Falls, SD 57105-2135

Hospital & facility affiliations

  • Sioux Falls Specialty Hospital Hospital, Sioux Falls, SD, CCN 430090
  • Sanford Usd Medical Center Hospital, Sioux Falls, SD, CCN 430027
  • Avera McKennan Hospital & University Health Center Hospital, Sioux Falls, SD, CCN 430016
  • Avera Sacred Heart Hospital Hospital, Yankton, SD, CCN 430012
  • Hendricks Community Hospital Hospital, Hendricks, MN, CCN 241339

Procedures performed for Medicare patients

ProcedureNumber of procedures
Hip replacement60
Knee replacement116
Lower limb (leg) arthroscopy (minimally invasive joint repair)14

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
5456SDMDOrthopaedic Surgery Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Orthopedic Institute PC Orthopaedic Surgery CurrentSince Jan 1, 2022 Accepting new patients

Locations

715 S Main Ave
Sioux Center, IA 51250
Phone (712) 717-5101

3301 Highway 71
Spirit Lake, IA 51360
Phone 60533158905547

249 5th St E
Tracy, MN 56175
Phone (507) 629-3520

810 E 23rd St
Sioux Falls, SD 57105
Phone (605) 339-6823

2120 Live Stronger St
Tea, SD 57064
Phone (605) 982-9545

Interoperability endpoints

  • Direct secure messaging: timothy.walker.1@21545.direct.athenahealth.com

Organizations & group practices 1

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.

Hospital & facility affiliations 34

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

View all 34

NPI Registry JSON

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

{
    "created_epoch": "1120089600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776816000000",
    "number": "1275530644",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2120 LIVE STRONGER ST",
            "city": "TEA",
            "state": "SD",
            "postal_code": "570648331",
            "telephone_number": "605-331-5890"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2120 LIVE STRONGER ST",
            "city": "TEA",
            "state": "SD",
            "postal_code": "570648331",
            "telephone_number": "605-331-5890"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WALKER",
        "first_name": "TIMOTHY",
        "middle_name": "L",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-06-30",
        "last_updated": "2026-04-22",
        "certification_date": "2026-04-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207X00000X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery",
            "state": "SD",
            "license": "5456",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "6402250",
            "state": "SD"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Tea, SD

Sources for this page

Verify at the official NPI Registry.