Individual provider Active NPI

Mary Catherine Hoye, MD

  • Hospitalist Physician
  • Oregon City, OR
National Provider Identifier
1821664897
Registry record updated Jun 4, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hospitalist PhysicianTaxonomy code 208M00000X
License
159860 Issued in MT
Practice address
1500 Division St
Oregon City, OR 97045-1527
Phone
(503) 650-6270
NPI assigned
Jun 1, 2021
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 4, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X MD218553 OR
Hospitalist Physician 208M00000X 159860 MT Primary

Addresses

Primary practice location

1500 Division St
Oregon City, OR 97045-1527

Mailing address

PO Box 3158
Portland, OR 97208-3158
Phone (503) 215-6494

Medicare participation

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

Enrollment IDStateProvider typePAC IDDetails
I20240731000740 OR Practitioner - Internal Medicine 5395145882 Reassigns benefits to 1 organization
I20250617003077 MT Practitioner - Hospitalist 5395145882 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Hospitalist
Education
Other, 2021
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Billings ClinicGroup PAC ID 6002993516, 814 clinicians

Practice addresses (Care Compare)

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

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
MD218553ORMDInternal Medicine Physician
159860MTMDHospitalist Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Billings Clinic CurrentSince Jun 4, 2025 Accepting new patients
Billings Clinic Current Accepting new patients
Providence Health & Services - Oregon Internal Medicine Current Accepting new patients
Providence Health & Services - Oregon Internal Medicine CurrentSince Aug 23, 2024 Accepting new patients
Billings Clinic Internal Medicine CurrentSince Jun 4, 2025 Accepting new patients
Providence Health & Services Oregon Current Accepting new patients
Billings Clinic Past Accepting new patients
Frederick Health Hospital Inc Past Accepting new patients

Locations

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

200 S Hazel Dell Way
Ste 210
Canby, OR 97013
Phone (503) 263-9550

1500 Division St
Oregon City, OR 97045
Phone (503) 646-1631

Organizations & group practices 8

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 12

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": "1622505600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1748995200000",
    "number": "1821664897",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 3158",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972083158",
            "telephone_number": "503-215-6494"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1500 DIVISION ST",
            "city": "OREGON CITY",
            "state": "OR",
            "postal_code": "970451527",
            "telephone_number": "503-650-6270"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HOYE",
        "first_name": "MARY",
        "middle_name": "CATHERINE",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-06-01",
        "last_updated": "2025-06-04",
        "certification_date": "2025-06-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "OR",
            "license": "MD218553",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "MT",
            "license": "159860",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Oregon City, OR

Sources for this page

Verify at the official NPI Registry.