Medical Oncology Associates Ps
Medical Oncology Associates Ps holds 6 active organization NPIs in the federal registry, with practice locations in 2 Washington cities. Each location can bill under its own NPI.
Search the organization with your city to find the NPI for the location you visit or bill.
Find a location's NPISpokane has the most NPIs, 5
Source: CMS NPPES monthly file of Aug 9, 2026, organization NPIs by practice city.
Most NPIs were issued in 2010 and 2013
Source: CMS NPPES, enumeration dates.
5 NPIs were issued in 2010 alone, more than in any other year; none in 2 of the years between.
Spokane locations
The city with the most Medical Oncology Associates Ps NPIs. The full list of all 6 follows.
| NPI | Location | Primary taxonomy | Issued |
|---|---|---|---|
| 1639493422 | 6001 N MAYFAIR ST, Spokane | Durable Medical Equipment & Medical Supplies | Mar 23, 2010 |
| 1083932396 | 6001 N MAYFAIR ST, Spokane | Nurse Practitioner | May 11, 2010 |
| 1518285824 | 6001 N MAYFAIR ST, Spokane | Hematology & Oncology Physician | May 11, 2010 |
| 1255659561 | 6001 N MAYFAIR ST, Spokane | Diagnostic Radiology Physician | May 11, 2010 |
| 1629396932 | 6001 N MAYFAIR ST, Spokane | Nuclear Medicine Physician | May 11, 2010 |
All 6 locations, by city
| NPI | Location | Primary taxonomy | Issued |
|---|---|---|---|
| 1639493422 | 6001 N MAYFAIR ST, Spokane | Durable Medical Equipment & Medical Supplies | Mar 23, 2010 |
| 1083932396 | 6001 N MAYFAIR ST, Spokane | Nurse Practitioner | May 11, 2010 |
| 1518285824 | 6001 N MAYFAIR ST, Spokane | Hematology & Oncology Physician | May 11, 2010 |
| 1255659561 | 6001 N MAYFAIR ST, Spokane | Diagnostic Radiology Physician | May 11, 2010 |
| 1629396932 | 6001 N MAYFAIR ST, Spokane | Nuclear Medicine Physician | May 11, 2010 |
| 1831524073 | 13424 E MISSION AVE, Spokane Valley | Radiation Oncology Physician | Sep 6, 2013 |
Checking an organization
- Match the NPI to the exact location you will visit or bill; each location can have its own.
- Confirm the business entity with the secretary of state.
- Check the HHS-OIG exclusion list for the organization and its owners.
- Verify each clinician you will see on their own record and with the state license search.
Common questions
Why does Medical Oncology Associates Ps have 6 NPIs?
An organization may obtain more than one Type 2 NPI, for example for separate locations or units that bill on their own. Medical Oncology Associates Ps's NPIs list practice locations in 2 cities.
Is an organization NPI a license?
No. An NPI identifies who bills. Facilities and the clinicians who work there are licensed separately by the state.
Source: CMS National Plan and Provider Enumeration System (NPPES), monthly file of Aug 9, 2026 (NPPES files on CMS.gov). An NPI identifies who bills; it is not a license.