NPIMap

Individual provider Active NPI

Katie Mischke, PA

  • Surgical Physician Assistant
  • Sheridan, WY
National Provider Identifier
1457828238
Registry record updated Dec 10, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Surgical Physician AssistantTaxonomy code 363AS0400X
License
PT1355 Issued in WY
Practice address
1333 W 5TH St Ste 113
Sheridan, WY 82801-2752
Phone
(307) 675-2633
Fax
(307) 675-2634
NPI assigned
Oct 30, 2018
Last updated
Dec 10, 2025By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 10, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Surgical Physician Assistant 363AS0400X PT1355 WY Primary

Addresses

Primary practice location

1333 W 5TH St Ste 113
Sheridan, WY 82801-2752

Mailing address

1333 W 5TH St Ste 110
Sheridan, WY 82801-2752
Phone (307) 675-2633

Other names 1

  • Katie Demarais Former name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MT, WY2 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20190205000159 MT Practitioner - Physician Assistant 7810235504 Reassigns benefits to 2 organizations
I20250722002681 WY Practitioner - Physician Assistant 7810235504 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Physician Assistant
Education
Other, 2018
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Big Horn Health NetworkGroup PAC ID 1254476484, 84 clinicians

Practice addresses (Care Compare)

1333 W 5TH St
Sheridan, WY 82801-2752

1401 W 5TH St
Sheridan, WY 82801-2705
Phone (307) 672-1000

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Physician Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
SCL Health Medical Group - Billings, LLC CurrentSince Jun 2, 2021 Accepting new patients
SCL Health Montana CurrentSince Nov 19, 2018 Accepting new patients
Sheridan Memorial Sameday Health & Imaging Urgent Care CurrentSince Jul 13, 2025 Accepting new patients
SCL Health Medical Group - Billings LLC CurrentSince Jun 2, 2021 Accepting new patients
SCL Health Montana CurrentSince Nov 19, 2018 Accepting new patients
Frances Mahon Deaconess Hospital Past Accepting new patients

Locations

1041 N 29th St
Billings, MT 59101
Phone (303) 237-5577

1233 N 30th St
Billings, MT 59101
Phone (406) 237-3850

2900 12th Ave N
Ste 100E
Billings, MT 59101
Phone (406) 237-5050

16 N Miles Ave
Hardin, MT 59034
Phone (406) 665-2205

1333 W 5th St
Ste 110
Sheridan, WY 82801
Phone (307) 675-4610

1401 W 5th St
Sheridan, WY 82801
Phone (307) 672-1000

Interoperability endpoints

  • FHIR API: https://fhir-myrecord.cerner.com/r4/d7c7003a-96ae-4246-aaaa-19b18f13056e/

Organizations & group practices 7

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": "1540857600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765324800000",
    "number": "1457828238",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1333 W 5TH ST STE 110",
            "city": "SHERIDAN",
            "state": "WY",
            "postal_code": "828012752",
            "telephone_number": "307-675-2633",
            "fax_number": "307-675-2634"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1333 W 5TH ST STE 113",
            "city": "SHERIDAN",
            "state": "WY",
            "postal_code": "828012752",
            "telephone_number": "307-675-2633",
            "fax_number": "307-675-2634"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MISCHKE",
        "first_name": "KATIE",
        "credential": "PA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2018-10-30",
        "last_updated": "2025-12-10",
        "certification_date": "2025-12-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363AS0400X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Surgical",
            "state": "WY",
            "license": "PT1355",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "KATIE",
            "last_name": "DEMARAIS",
            "credential": "PA",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Sheridan, WY

Sources for this page

Verify at the official NPI Registry.