Nathaniel A Kaan, M.D.

Primary specialty

Surgery PhysicianTaxonomy code 208600000X

License

15275A Issued in WY

Practice address

4003 Rawlins St
Cheyenne, WY 82001-1800

Phone

(307) 323-2679

Fax

(307) 323-2740

NPI assigned

Apr 14, 2016

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

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in WY, NE2 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 2

Specialty

General Surgery

Education

University of Washington School of Medicine, 2016

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Mountain West Surgical Specialists LLCGroup PAC ID 3870030471, 3 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Cheyenne Regional Medical Center Hospital, Cheyenne, WY, CCN 530014

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://soap.crmcwy.org/fhirproxy/api/FHIR/R4
• Direct secure messaging: nkaan55172@direct.crmcwy.org

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.

• Mountain West Surgical Specialists LLC

  • Trauma Surgery Physician
  • Cheyenne, WY
  • NPI 1366209645
  Medicare reassignment Care Compare group NPD
• Cheyenne County Hospital Association Inc

  • Critical Access Hospital
  • Sidney, NE
  • NPI 1487736963
  Medicare reassignment
• Willow Creek Family Medicine, P.C.

  • Family Nurse Practitioner
  • Cheyenne, WY
  • NPI 1184800674
  NPD

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

• Memorial Hospital of Laramie County

  • General Acute Care Hospital
  • Cheyenne, WY
  • NPI 1285621839
  Care Compare affiliation

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

{
    "created_epoch": "1460592000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1740355200000",
    "number": "1508210709",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4003 RAWLINS ST",
            "city": "CHEYENNE",
            "state": "WY",
            "postal_code": "820011800",
            "telephone_number": "307-323-2679",
            "fax_number": "307-323-2740"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4003 RAWLINS ST",
            "city": "CHEYENNE",
            "state": "WY",
            "postal_code": "820011800",
            "telephone_number": "307-323-2679",
            "fax_number": "307-323-2740"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KAAN",
        "first_name": "NATHANIEL",
        "middle_name": "A",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2016-04-14",
        "last_updated": "2025-02-24",
        "certification_date": "2025-02-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "WY",
            "license": "15275A",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "nkaan55172@direct.crmcwy.org",
            "affiliation": "Y",
            "endpointDescription": "CRMC Direct Address",
            "affiliationName": "Memorial Hospital of Laramie County",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "CSV",
            "contentTypeDescription": "CSV",
            "address_1": "5201 Yellowstone Rd",
            "city": "Cheyenne",
            "state": "WY",
            "country_code": "US",
            "postal_code": "820094741",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Thomas Joseph Jurek, APN
• Timothy Peter Jurkowski, MA, LPC
• Bonnie Just, PMHNP
• Juvenile Extensive Management Services
• Jy Adekale Global Initiative
• Kenna Lynn Kacillas, OTR/L
• Kahak Wy Inc
• Joy L. Kahler, RN
• James Kahre, MD
• Anna Kaiser-Ornelaz

• Surgery Physician in Cheyenne, WY
• Providers in Cheyenne, WY by specialty
• Surgery Physician in Wyoming

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 24, 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.