Quick answers
- Does Brenda L. Riojas accept Medicare assignment?
- Yes. Medicare's clinician data says Brenda L. Riojas accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Brenda L. Riojas see?
- In 2024, CMS data shows 34 Original Medicare patients and 275 services for Brenda L. Riojas. This counts Original Medicare only and measures volume, not quality.
- What is Brenda L. Riojas's NPI number?
- 1073892865. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Brenda L. Riojas, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 34 |
|---|---|
| Services billed to Medicare | 275 |
| Different services or procedures | 37 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)51 services
- Blood test, comprehensive group of blood chemicals (80053)33 services
- Hemoglobin a1c level (83036)23 services
- Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)21 services
- Blood test, lipids (cholesterol and triglycerides) (80061)12 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- Diabetes65%
- High cholesterol62%
- Arthritis59%
Practice locations
Addresses where Brenda L. Riojas is enrolled with Medicare (CMS data updated October 2, 2026).
- 3750 Chemawa Rd NESalem, OR 97305 (503) 304‑7600
Group practices
Medicare enrollment lists Brenda L. Riojas as a member of this group (CMS data updated October 2, 2026).
- Chemawa Indian Health Center DHHS IHS Western Oregon Serv Unit11 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Salem
Clinicians with the same Medicare primary specialty in Salem, OR — not a recommendation.
Other clinicians in Chemawa Indian Health Center DHHS IHS Western Oregon Serv Unit
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2022 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1073892865 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians