Active NPI
Stephen Patrick Anthony, D.O.
- Hematology & Oncology Physician
- Spokane, WA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Hematology & Oncology Physician
- License
- OP00001601
- 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, 2025
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 121591 | Other | WA | LABOR & INDUSTRIES |
| 805167400 | Medicaid | ID | |
| KF781 | Other | BLUE CROSS OF IDAHO | |
| 8226334 | Medicaid | WA | |
| AN7110 | Other | ASURIS NW HEALTH | |
| 000010143048 | Other | BLUE SHIELD OF IDAHO | |
| 5337010 | Other | AETNA | |
| 83004753 | Other | TX | RAILROAD MEDICARE |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in AZ, MT
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 2
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
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
| License | State | Type | Specialty |
|---|---|---|---|
| 4488 | AZ | MD | General Practice Dentistry |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Yuma Regional Medical Center | Current | Accepting new patients | |
| Billings Clinic | Internal Medicine | Current | Accepting new patients |
| Billings Clinic | Current | 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.
-
dba Onvida Health Yuma Medical Center
- General Acute Care Hospital
- Yuma, AZ
- NPI 1194706655
-
- Emergency Care Clinic/Center
- Billings, MT
- NPI 1326104845
-
dba Billings Clinic Endocrinology
- Endocrinology, Diabetes & Metabolism Physician
- Billings, MT
- NPI 1124310537
Hospital & facility affiliations 9
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Bozeman, MT
- NPI 1215660840
-
dba Billings Clinic Orthopedics and Sports Medicine
- Orthopaedic Surgery Physician
- Billings, MT
- NPI 1003953589
Hospital
-
dba Billings Clinic Heights
- Family Medicine Physician
- Billings, MT
- NPI 1033164447
Hospital
-
dba Billings Clinic Endocrinology
- Endocrinology, Diabetes & Metabolism Physician
- Billings, MT
- NPI 1124310537
Hospital
-
dba Billings Clinic Hospital
- General Acute Care Hospital
- Billings, MT
- NPI 1265478291
-
dba Billings Clinic Bozeman
- Internal Medicine Physician
- Bozeman, MT
- NPI 1265648455
Hospital
-
dba Billings Clinic West
- Internal Medicine Physician
- Billings, MT
- NPI 1871548289
Hospital
-
dba Onvida Health Yuma Medical Center
- General Acute Care Hospital
- Yuma, AZ
- NPI 1194706655
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
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 4, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.