NPIMap

Individual provider Active NPI

Zachary Zemore, M.D.

  • Emergency Medicine Physician
  • Sheridan, WY
National Provider Identifier
1477908234
Registry record updated Oct 9, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
MED-PHYS-LIC-117601 Issued in MT
Practice address
1401 W 5TH St
Sheridan, WY 82801-2705
Phone
(307) 672-1000
NPI assigned
Apr 29, 2016
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 9, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 16088A WY
Emergency Medicine Physician 207P00000X MED-PHYS-LIC-117601 MT Primary
Internal Medicine Physician 207R00000X 0116029170 VA

Addresses

Primary practice location

1401 W 5TH St
Sheridan, WY 82801-2705

Mailing address

10110 South 7650 East
Crow Agency, MT 59022
Phone (406) 638-3424

Other practice location 1

10110 South 7650 East
Crow Agency, MT 59022
Phone (406) 638-3424

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WY, MT2 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
I20230912002145 WY Practitioner - Internal MedicinePractitioner - Emergency Medicine 4082908447 Reassigns benefits to 3 organizations
I20251008002001 MT Practitioner - Emergency Medicine 4082908447 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal MedicineAlso: Emergency Medicine
Education
Other, 2016
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Billings ClinicGroup PAC ID 6002993516, 814 clinicians

Practice addresses (Care Compare)

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

2800 10TH Ave N
Billings, MT 59101-0703
Phone (406) 657-4000

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
83.21 of 100Reported as group
Quality
80.49
Promoting interoperability
94
Improvement activities
40
Cost
68.55

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
MED-PHYS-LIC-117601MTMDEmergency Medicine Physician
0116029170VAMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Billings Clinic Internal Medicine CurrentSince Oct 2, 2025 Accepting new patients
Billings Clinic Emergency Medicine Current Accepting new patients
Powell Valley Health Care Inc CurrentSince Mar 1, 2025 Accepting new patients
Powell Valley Healthcare Inc Emergency Medicine CurrentSince Mar 1, 2025 Accepting new patients
Memorial Hospital of Sheridan County Emergency Medicine CurrentSince Oct 1, 2023 Accepting new patients
Billings Clinic CurrentSince Oct 2, 2025 Accepting new patients
Memorial Hospital of Sheridan County CurrentSince Oct 1, 2023 Accepting new patients
Billings Clinic Past Accepting new patients
Gastroenterology Associates, LLC Past Accepting new patients
Big Horn Health Network Internal Medicine PastSince Feb 1, 2010 Accepting new patients

Locations

2800 10th Ave N
Billings, MT 59101
Phone (406) 248-3290

777 Avenue H
Powell, WY 82435
Phone (307) 754-1175

450 Mountain View St
Powell, WY 82435
Phone (307) 754-2267

1333 W 5th St
Ste 112
Sheridan, WY 82801
Phone (307) 675-2650

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

Organizations & group practices 10

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 13

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

View all 13

NPI Registry JSON

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

{
    "created_epoch": "1461888000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1759968000000",
    "number": "1477908234",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "10110 SOUTH 7650 EAST",
            "city": "CROW AGENCY",
            "state": "MT",
            "postal_code": "59022",
            "telephone_number": "406-638-3424",
            "fax_number": "406-638-3547"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1401 W 5TH ST",
            "city": "SHERIDAN",
            "state": "WY",
            "postal_code": "828012705",
            "telephone_number": "307-672-1000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "10110 South 7650 East",
            "address_purpose": "LOCATION",
            "city": "Crow Agency",
            "state": "MT",
            "postal_code": "59022",
            "country_code": "US",
            "telephone_number": "406-638-3424",
            "fax_number": "406-638-3547",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ZEMORE",
        "first_name": "ZACHARY",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2016-04-29",
        "last_updated": "2025-10-09",
        "certification_date": "2025-10-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "WY",
            "license": "16088A",
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "MT",
            "license": "MED-PHYS-LIC-117601",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "VA",
            "license": "0116029170",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Sheridan, WY

Sources for this page

Verify at the official NPI Registry.