DR. STEPHEN PATRICK ANTHONY D.O.
NPI 1053307298
Internal Medicine - Hematology & Oncology in Spokane, WA
About Dr. Stephen Patrick Anthony D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. STEPHEN PATRICK ANTHONY D.O. (NPI 1053307298) is an individual hematology & oncology provider in Spokane, Washington, licensed in Washington (OP00001601) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS, is affiliated with Billings Clinic, and maintains a secondary practice location in Yuma.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 8
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Stephen Patrick Anthony D.o. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Stephen Anthony reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Bozeman, MT 59718
- Reassigned Medicare billing, Montana enrollment
- Medicare enrollment name: Billings Clinic
- 1,264 clinicians in this Medicare group
Yuma, AZ 85364
- Reassigned Medicare billing, Arizona enrollment
- 557 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Billings Clinic
Acute Care Hospitals · Billings, MTBeartooth Billings Clinic
Critical Access Hospitals · Red Lodge, MTPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 99218 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 11
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SPOKANE, WA 99218
SPOKANE, WA 99218
SPOKANE, WA 99218
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Stephen Anthony's NPI number?
The NPI number for Stephen Anthony is 1053307298. It was assigned to this individual provider in the NPPES registry on September 22, 2005.
Where is Stephen Anthony located?
Stephen Anthony practices at 309 E Farwell Rd Suite 100, Spokane, WA 99218. The listed phone number is (509) 464-2873.
What is Stephen Anthony's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is Stephen Anthony enrolled in Medicare?
Yes. Stephen Anthony is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Stephen Anthony's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Anthony reassigns Medicare benefits to 2 organizations: Billings Cinic (Bozeman, MT) and Yuma Regional Medical Center (Yuma, AZ). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Stephen Anthony's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Stephen Anthony accept?
Health plans from Blue Cross Blue Shield of Arizona, Blue Cross and Blue Shield of Montana, Cigna HealthCare of Arizona, Inc, Mountain Health CO-OP and PacificSource Health Plans and 1 other insurer list Stephen Anthony as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Stephen Anthony affiliated with any hospitals?
According to CMS data, Stephen Anthony is affiliated with Billings Clinic and Beartooth Billings Clinic.
When was this NPI record last updated?
The NPPES record for Stephen Anthony was last updated on June 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Stephen Patrick Anthony, D.O. · NPI 1053307298
Hematology & Oncology physician in Spokane, Washington. Individual provider, active in the CMS NPPES registry since September 22, 2005.
## Identity
- **NPI:** 1053307298 (Entity type: Individual)
- **Enumerated:** September 22, 2005
- **Primary specialty:** Internal Medicine - Hematology & Oncology · taxonomy 207RH0003X
- **State license:** OP00001601 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 309 E FARWELL RD, SUITE 100, Spokane, WA 99218-8202
- **Phone:** (509) 464-2873 · **Fax:** (509) 466-0914
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Billings Cinic (NPI 1215660840, Bozeman, MT); Yuma Regional Medical Center (NPI 1194706655, Yuma, AZ) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1988
## Record status
- **NPPES last updated:** June 4, 2025
- **Other identifiers:** Other 121591 (WA); Medicaid 805167400 (ID); Other KF781; and 5 more
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Source: [NPI Profile](https://npiprofile.com/npi/1053307298) · Data from the CMS NPPES public registry.