NPIMap

Organization Active NPI

W Michael Crosby M D P C

  • Certified Registered Nurse Anesthetist
  • Riverton, WY
National Provider Identifier
1619006582
Registry record updated Sep 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Certified Registered Nurse AnesthetistTaxonomy code 367500000X
Legal business name
W MICHAEL CROSBY M D P C
Practice address
2100 W Sunset Dr
Riverton, WY 82501-2274
Phone
(307) 856-4161
NPI assigned
Mar 5, 2007
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Sep 11, 2025

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

Authorized official

Name
William Michael Crosby, MDNPI 1710978499
Title
Owner
Phone
(307) 840-0874

Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Anesthesiology PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 207L00000X WY
Certified Registered Nurse AnesthetistGroup: 193200000X MULTI-SPECIALTY GROUP 367500000X WY Primary

Addresses

Primary practice location

2100 W Sunset Dr
Riverton, WY 82501-2274

Mailing address

PO Box 32103
Billings, MT 59107-2103
Phone (317) 567-2180

National Provider Directory

National Provider Directory

Practitioners & affiliated clinicians

Practitioners 4

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1173052800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1757548800000",
    "number": "1619006582",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 32103",
            "city": "BILLINGS",
            "state": "MT",
            "postal_code": "591072103",
            "telephone_number": "317-567-2180",
            "fax_number": "317-567-2191"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2100 W SUNSET DR",
            "city": "RIVERTON",
            "state": "WY",
            "postal_code": "825012274",
            "telephone_number": "307-856-4161"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "W MICHAEL CROSBY M D P C",
        "organizational_subpart": "NO",
        "enumeration_date": "2007-03-05",
        "last_updated": "2025-09-11",
        "status": "A",
        "authorized_official_last_name": "CROSBY",
        "authorized_official_first_name": "WILLIAM",
        "authorized_official_middle_name": "MICHAEL",
        "authorized_official_title_or_position": "OWNER",
        "authorized_official_telephone_number": "307-840-0874",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Anesthesiology",
            "state": "WY",
            "license": null,
            "primary": false
        },
        {
            "code": "367500000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "WY",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Riverton, WY

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.