Carson Barrett Walker, MD

Primary specialty

Surgery PhysicianTaxonomy code 208600000X

License

MED-PHYS-LIC-158516 Issued in MT

Practice address

2900 12TH Ave N Ste 355W
Billings, MT 59101-0176

Phone

(406) 238-6470

Fax

(406) 238-6499

NPI assigned

Mar 26, 2020

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in MT

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

General Surgery

Education

University of Colorado School of Medicine, Aurora, 2020

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Surgical Associates, PCGroup PAC ID 5597780791, 9 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Intermountain Health St Vincent Regional Hospital Hospital, Billings, MT, CCN 270049
• Holy Rosary Hospital Hospital, Miles City, MT, CCN 271347
• Cody Regional Health Hospital, Cody, WY, CCN 531312
• Powell Valley Hospital Hospital, Powell, WY, CCN 531310

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

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.

• Surgical Associates, PC

  • Specialist
  • Billings, MT
  • NPI 1811074420
  Medicare reassignment Care Compare group NPD

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

• Holy Rosary Healthcare

  • Critical Access Hospital
  • Miles City, MT
  • NPI 1396074548
  Care Compare affiliation
• SCL Health Montana

  • General Acute Care Hospital
  • Billings, MT
  • NPI 1083655997
  Care Compare affiliation
• St. Vincent Healthcare

  • General Acute Care Hospital
  • Billings, MT
  • NPI 1396916276
  Care Compare affiliation
• Cody Regional Health EMS

  • Land Ambulance
  • Cody, WY
  • NPI 1366432197

  Hospital

  Care Compare affiliation
• Powell Valley Health Care Inc

  • Critical Access Hospital
  • Powell, WY
  • NPI 1497753115
  Care Compare affiliation
• West Park Hospital District

  • Critical Access Hospital
  • Cody, WY
  • NPI 1558351536
  Care Compare affiliation

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

{
    "created_epoch": "1585180800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1750809600000",
    "number": "1104453299",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1960 N OGDEN ST STE 400",
            "city": "DENVER",
            "state": "CO",
            "postal_code": "802183670"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2900 12TH AVE N STE 355W",
            "city": "BILLINGS",
            "state": "MT",
            "postal_code": "591010176",
            "telephone_number": "406-238-6470",
            "fax_number": "406-238-6499"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1960 N Ogden St Ste 400",
            "address_purpose": "LOCATION",
            "city": "Denver",
            "state": "CO",
            "postal_code": "802183670",
            "country_code": "US",
            "telephone_number": "303-318-1585",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WALKER",
        "first_name": "CARSON",
        "middle_name": "BARRETT",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-03-26",
        "last_updated": "2025-06-25",
        "certification_date": "2025-06-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "CO",
            "license": null,
            "primary": false
        },
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "MT",
            "license": "MED-PHYS-LIC-158516",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Walgreen Co
• Walgreens
• Alexis Walker, RD
• Ashley Walker, MS
• Aspen Lea Walker, LPTA
• Jedediah Owen Walker, D.O.
• Karen Sue Walker, LCSW
• Madison Alane Walker, OTD, OTR/L
• Melanie Ann Walker, NP-C
• Gordon Steven Wallace, L.C.P.C. / L.A.C.

• Surgery Physician in Billings, MT
• Providers in Billings, MT by specialty
• Surgery Physician in Montana

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 25, 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.