Individual provider Active NPI

Daniel B Knox, M.D.

  • Critical Care Medicine (Internal Medicine) Physician
  • Casper, WY
National Provider Identifier
1821259144
Registry record updated Jul 2, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Critical Care Medicine (Internal Medicine) PhysicianTaxonomy code 207RC0200X
License
13229C Issued in WY
Practice address
1233 E 2ND St
Casper, WY 82601-2988
Phone
(307) 577-7201
NPI assigned
Jun 19, 2008
Last updated
Jul 2, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 2, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Critical Care Medicine (Internal Medicine) Physician 207RC0200X 7964677-1205 UT
Critical Care Medicine (Internal Medicine) Physician 207RC0200X 13229C WY Primary
Pulmonary Disease Physician 207RP1001X 15295-320 WI

Addresses

Primary practice location

1233 E 2ND St
Casper, WY 82601-2988

Mailing address

1233 E 2ND St
Casper, WY 82601-2926

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in UT, WY, KY3 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 3

Enrollment IDStateProvider typePAC IDDetails
I20121228000163 UT Practitioner - Internal MedicinePractitioner - Pulmonary DiseasePractitioner - Critical Care (Intensivists) 4183877079 Reassigns benefits to 3 organizations
I20260304001930 WY Practitioner - Critical Care (Intensivists)Practitioner - Internal Medicine 4183877079 Reassigns benefits to 1 organization
I20260309002303 KY Practitioner - Pulmonary Disease 4183877079 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Critical Care (Intensivists)Also: Internal Medicine
Education
New York Medical College, 2008
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Ihc Health Services IncGroup PAC ID 1850209420, shared by 68 NPIs, 3,948 clinicians

Practice addresses (Care Compare)

1233 E 2ND St
Casper, WY 82601-2926
Phone (800) 822-7201

5121 S Cottonwood St
Murray, UT 84107-5701
Phone (801) 507-4384

613 23Rd St
Suite G10
Ashland, KY 41101-2886
Phone (606) 408-5864

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
DR 0053265COMDInternal Medicine Physician
MD20638MEMDCritical Care Medicine (Internal Medicine) Physician
13229CWYMDCritical Care Medicine (Internal Medicine) Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Ihc Health Services, Inc. CurrentSince Sep 3, 2019 Accepting new patients
Banner Hospital Based Physicians West LLC CurrentSince Apr 1, 2026 Accepting new patients
Ihc Health Services Inc CurrentSince Apr 1, 2025 Accepting new patients
Kings Daughters Medical Specialties Inc CurrentSince Mar 2, 2026 Accepting new patients
Banner Hospital Based Physicians West LLC CurrentSince Apr 1, 2026 Accepting new patients
Ihc Health Services Inc Internal Medicine Current Accepting new patients
Silverton Group LLC CurrentSince Mar 31, 2015 Accepting new patients
Ihc Health Services Inc CurrentSince Sep 3, 2019 Accepting new patients
Kings Daughters Medical Specialties Inc CurrentSince Mar 2, 2026 Accepting new patients
Ihc Health Services Inc Current Accepting new patients
Critical Care Pulmonary and Sleep Associates Professional LLP Critical Care Medicine PastSince Jun 8, 2025 Accepting new patients

Locations

613 23rd St
Ste G10
Ashland, KY 41101
Phone (606) 329-1997

700 S Highway 99
Ste 3
Fillmore, UT 84631
Phone (435) 743-5555

2380 N 400 E
North Logan, UT 84341
Phone (435) 713-9700

8th Ave And C St
Salt Lake City, UT 84143
Phone (801) 350-4110

400 C St
Salt Lake Cty, UT 84143
Phone (435) 688-4080

5121 S Cottonwood St
Salt Lake Cty, UT 84107
Phone (801) 408-8998

1233 E 2nd St
Casper, WY 82601
Phone (307) 577-2171

Organizations & group practices 12

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 4

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": "1213833600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1782950400000",
    "number": "1821259144",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1233 E 2ND ST",
            "city": "CASPER",
            "state": "WY",
            "postal_code": "826012926"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1233 E 2ND ST",
            "city": "CASPER",
            "state": "WY",
            "postal_code": "826012988",
            "telephone_number": "307-577-7201"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KNOX",
        "first_name": "DANIEL",
        "middle_name": "B",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2008-06-19",
        "last_updated": "2026-07-02",
        "certification_date": "2026-07-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": "UT",
            "license": "7964677-1205",
            "primary": false
        },
        {
            "code": "207RC0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": "WY",
            "license": "13229C",
            "primary": true
        },
        {
            "code": "207RP1001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Pulmonary Disease",
            "state": "WI",
            "license": "15295-320",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Casper, WY

Sources for this page

Verify at the official NPI Registry.