James Joseph Willox, DNP, FNP-C

Primary specialty

Nurse PractitionerTaxonomy code 363L00000X

License

43905 Issued in WY

Practice address

5416 Education Dr
Cheyenne, WY 82009-4094

Phone

(307) 778-3675

NPI assigned

Jun 14, 2024

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 2

Medicare fee-for-service enrollment

Enrolled in WY

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Nurse Practitioner

Education

Other, 2024

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Cheyenne Regional Physicians Group LLCGroup PAC ID 2961403639, 101 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

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

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: jwillox31440@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.

• Cheyenne Regional Physicians Group, LLC

  • Medical Oncology Physician
  • Cheyenne, WY
  • NPI 1659458008
  Medicare reassignment Care Compare group NPD
• Cheyenne Children'S Clinic, PC

  • Pediatrics Physician
  • Cheyenne, WY
  • NPI 1073537601
  NPD (past)

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": "1718323200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770940800000",
    "number": "1376386664",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "511 WIND RIVER DR",
            "city": "WINDSOR",
            "state": "CO",
            "postal_code": "805503181"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5416 EDUCATION DR",
            "city": "CHEYENNE",
            "state": "WY",
            "postal_code": "820094094",
            "telephone_number": "307-778-3675"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WILLOX",
        "first_name": "JAMES",
        "middle_name": "JOSEPH",
        "credential": "DNP, FNP-C",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2024-06-14",
        "last_updated": "2026-02-13",
        "certification_date": "2026-02-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "WY",
            "license": "43905",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "jwillox31440@direct.crmcwy.org",
            "affiliation": "Y",
            "endpointDescription": "CRMC Direct Address",
            "affiliationName": "Cheyenne Regional Physicians Group, LLC",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "CSV",
            "contentTypeDescription": "CSV",
            "address_1": "214 E 23rd St",
            "city": "Cheyenne",
            "state": "WY",
            "country_code": "US",
            "postal_code": "820013748",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "jwillox31440@direct.crmcwy.org",
            "affiliation": "Y",
            "endpointDescription": "CRMC Direct Address",
            "affiliationName": "Cheyenne Regional Physicians Group, LLC",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "CSV",
            "contentTypeDescription": "CSV",
            "address_1": "214 E 23rd St",
            "city": "Cheyenne",
            "state": "WY",
            "country_code": "US",
            "postal_code": "820013748",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Olivia Joyce Williams, MS, PPC
• Rachel Jean Williams
• Nadra Valarie Williamson
• Megan Willis, DNP, PMHNP
• Willow Creek Family Medicine, P.C.
• Shawn Willson
• Kristy Wilmarth
• Kai-Ley Wilson Herb, LCSW
• Christy Wilson, RN
• Douglas K. Wilson, DPT

• Nurse Practitioner in Cheyenne, WY
• Providers in Cheyenne, WY by specialty
• Nurse Practitioner in Wyoming

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 13, 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.