Individual provider Active NPI

Stephen Patrick Anthony, D.O.

  • Hematology & Oncology Physician
  • Spokane, WA
National Provider Identifier
1053307298
Registry record updated Jun 4, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hematology & Oncology PhysicianTaxonomy code 207RH0003X
License
OP00001601 Issued in WA
Practice address
309 E Farwell Rd
Suite 100
Spokane, WA 99218-8202
Phone
(509) 464-2873
Fax
(509) 466-0914
NPI assigned
Sep 22, 2005
Last updated
Jun 4, 2025By the provider in NPPES
Sex
Male
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
Hematology & Oncology Physician 207RH0003X OP00001601 WA Primary
Hematology & Oncology Physician 207RH0003X 4488 AZ

Addresses

Primary practice location

309 E Farwell Rd
Suite 100
Spokane, WA 99218-8202

Mailing address

PO Box 911230
Dallas, TX 75391-1230
Phone (972) 997-8000

Other practice location 1

2375 S Ridgeview Dr
Yuma, AZ 85364-8868
Phone (928) 317-2518

Other identifiers 8

IdentifierTypeStateIssuer
121591OtherWALABOR & INDUSTRIES
805167400MedicaidID
KF781OtherBLUE CROSS OF IDAHO
8226334MedicaidWA
AN7110OtherASURIS NW HEALTH
000010143048OtherBLUE SHIELD OF IDAHO
5337010OtherAETNA
83004753OtherTXRAILROAD MEDICARE

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in AZ, 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
I20060926000096 AZ Practitioner - Hematology/Oncology 8527955889 Reassigns benefits to 1 organization
I20260131000482 MT Practitioner - Hematology/Oncology 8527955889 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Hematology/Oncology
Education
Other, 1988
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Yuma Regional Medical CenterGroup PAC ID 2062314826, 367 clinicians
Billings ClinicGroup PAC ID 6002993516, 814 clinicians

Practice addresses (Care Compare)

2400 S Ave a
Yuma, AZ 85364-7127
Phone (928) 344-2000

801 N 29TH St
Billings, MT 59101-0905
Phone (406) 238-2500

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
4488AZMDGeneral Practice Dentistry

Practice roles

OrganizationSpecialtyStatusNew patients
Yuma Regional Medical Center CurrentSince Jun 16, 2025 Accepting new patients
Billings Clinic Internal Medicine CurrentSince Jan 19, 2026 Accepting new patients
Billings Clinic CurrentSince Jan 19, 2026 Accepting new patients

Locations

2375 S Ridgeview Dr
Yuma, AZ 85364
Phone (928) 317-2518

2400 S Avenue A
Yuma, AZ 85364
Phone (928) 336-7100

801 N 29th St
Billings, MT 59101
Phone (406) 238-2210

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

Organizations & group practices 4

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 9

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": "1127347200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1748995200000",
    "number": "1053307298",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 911230",
            "city": "DALLAS",
            "state": "TX",
            "postal_code": "753911230",
            "telephone_number": "972-997-8000",
            "fax_number": "972-234-2987"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "309 E FARWELL RD",
            "address_2": "SUITE 100",
            "city": "SPOKANE",
            "state": "WA",
            "postal_code": "992188202",
            "telephone_number": "509-464-2873",
            "fax_number": "509-466-0914"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2375 S Ridgeview Dr",
            "address_purpose": "LOCATION",
            "city": "Yuma",
            "state": "AZ",
            "postal_code": "853648868",
            "country_code": "US",
            "telephone_number": "928-317-2518",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ANTHONY",
        "first_name": "STEPHEN",
        "middle_name": "PATRICK",
        "name_prefix": "Dr.",
        "credential": "D.O.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-09-22",
        "last_updated": "2025-06-04",
        "certification_date": "2025-06-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "WA",
            "license": "OP00001601",
            "primary": true
        },
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "AZ",
            "license": "4488",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "LABOR & INDUSTRIES",
            "identifier": "121591",
            "state": "WA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "805167400",
            "state": "ID"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BLUE CROSS OF IDAHO",
            "identifier": "KF781",
            "state": null
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "8226334",
            "state": "WA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "ASURIS NW HEALTH",
            "identifier": "AN7110",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BLUE SHIELD OF IDAHO",
            "identifier": "000010143048",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AETNA",
            "identifier": "5337010",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RAILROAD MEDICARE",
            "identifier": "83004753",
            "state": "TX"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Spokane, WA

Sources for this page

Verify at the official NPI Registry.