Individual provider Active NPI

Arthur E Ilharreguy, NP

  • Acute Care Nurse Practitioner
  • Cheyenne, WY
National Provider Identifier
1568074672
Registry record updated Nov 7, 2022
On this page

Key facts

NPPES NPI Registry
Primary specialty
Acute Care Nurse PractitionerTaxonomy code 363LA2100X
License
46592 Issued in WY
Practice address
214 E 23Rd St
Cheyenne, WY 82001-3748
Phone
(307) 634-2273
NPI assigned
Aug 19, 2020
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Nov 7, 2022

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Acute Care Nurse Practitioner 363LA2100X APN.0995788-NP CO
Family Nurse Practitioner 363LF0000X 46592 WY
Acute Care Nurse Practitioner 363LA2100X 46592 WY Primary

Addresses

Primary practice location

214 E 23Rd St
Cheyenne, WY 82001-3748

Mailing address

214 E 23Rd St
Cheyenne, WY 82001-3748
Phone (307) 634-2273

Other identifiers 1

IdentifierTypeStateIssuer
RXN.0104942-NPOtherCORXN

Electronic endpoints 2

TypeEndpointUseAffiliation
Direct Messaging Address ailharreguy43930@direct.crmcwy.org Direct Memorial Hospital of Laramie County
Direct Messaging Address ailharreguy43930@direct.crmcwy.org Health Information Exchange (HIE) Memorial Hospital of Laramie County

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in SC, MT2 enrollments
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 2

Enrollment IDStateProvider typePAC IDDetails
I20231115001587 SC Practitioner - Nurse Practitioner 7911317839 Reassigns benefits to 1 organization
I20260120001714 MT Practitioner - Nurse Practitioner 7911317839 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2020
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Marcus Daly Memorial Hospital CorporationGroup PAC ID 5597664474, 97 clinicians
Musc Community PhysiciansGroup PAC ID 6507260668, 1,353 clinicians

Practice addresses (Care Compare)

1200 Westwood Dr
Hamilton, MT 59840-2345
Phone (406) 363-2211

805 Pamplico Hwy
Florence, SC 29505-6047
Phone (843) 674-2500

Hospital & facility affiliations

  • Musc Health Florence Medical Center Hospital, Florence, SC, CCN 420091
  • Bitterroot Health - Daly Hospital Hospital, Hamilton, MT, CCN 271340
  • CCN 420117 Hospital, CCN 420117

Merit-based Incentive Payment System (MIPS)

Final score
80.41 of 100Reported as group
Quality
64.93
Promoting interoperability
99
Improvement activities
40

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

State licenses

LicenseStateTypeSpecialty
APN.0995788-NPCOMDAcute Care Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Musc Community Physicians CurrentSince Aug 16, 2023 Accepting new patients
Marcus Daly Memorial Hospital Corporation CurrentSince Dec 23, 2025 Accepting new patients
Marcus Daly Memorial Hospital Corp CurrentSince Dec 23, 2025 Accepting new patients
Musc Community Physicians CurrentSince Aug 16, 2023 Accepting new patients
Marcus Daly Memorial Hospital Corporation CurrentSince Dec 23, 2025 Accepting new patients
Musc Community Physicians Current Accepting new patients

Locations

1224 W Main St
Hamilton, MT 59840
Phone (406) 375-4823

1200 Westwood Dr
Hamilton, MT 59840
Phone (406) 363-2211

506 North St
Bamberg, SC 29003
Phone (803) 245-6290

805 Pamplico Hwy
Florence, SC 29505
Phone (843) 674-2500

Interoperability endpoints

  • Direct secure messaging: ailharreguy43930@direct.crmcwy.org

Organizations & group practices 6

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 3

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

NPI Registry JSON

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

{
    "created_epoch": "1597795200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1667779200000",
    "number": "1568074672",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "214 E 23RD ST",
            "city": "CHEYENNE",
            "state": "WY",
            "postal_code": "820013748",
            "telephone_number": "307-634-2273"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "214 E 23RD ST",
            "city": "CHEYENNE",
            "state": "WY",
            "postal_code": "820013748",
            "telephone_number": "307-634-2273"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ILHARREGUY",
        "first_name": "ARTHUR",
        "middle_name": "E",
        "name_prefix": "Mr.",
        "credential": "NP",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-08-19",
        "last_updated": "2022-11-07",
        "certification_date": "2022-11-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LA2100X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Acute Care",
            "state": "CO",
            "license": "APN.0995788-NP",
            "primary": false
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "WY",
            "license": "46592",
            "primary": false
        },
        {
            "code": "363LA2100X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Acute Care",
            "state": "WY",
            "license": "46592",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RXN",
            "identifier": "RXN.0104942-NP",
            "state": "CO"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "ailharreguy43930@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": "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": "ailharreguy43930@direct.crmcwy.org",
            "affiliation": "Y",
            "endpointDescription": "CRMC Direct Address",
            "affiliationName": "Memorial Hospital of Laramie County",
            "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"
        }
    ],
    "other_names": []
}

Other providers in Cheyenne, WY

Sources for this page

Verify at the official NPI Registry.