Quick answers
- Does Juan A. Tamariz Loor accept Medicare assignment?
- Yes. Medicare's clinician data says Juan A. Tamariz Loor 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 Juan A. Tamariz Loor see?
- In 2024, CMS data shows 781 Original Medicare patients and 1,826 services for Juan A. Tamariz Loor. This counts Original Medicare only and measures volume, not quality.
- What is Juan A. Tamariz Loor's NPI number?
- 1225286586. 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 Juan A. Tamariz Loor, 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 | 781 |
|---|---|
| Services billed to Medicare | 1,826 |
| Different services or procedures | 41 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Test to examine how well the lungs exchange gases (94729)295 services
- Test to measure expiratory airflow and volume changes before and after medication administration (94060)290 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)264 services
- Test to determine lung volumes using sensors (94726)231 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)186 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 pressure72%
- High cholesterol69%
- COPD48%
- Arthritis45%
- Ischemic heart disease34%
- Anxiety27%
Hospitals where Juan A. Tamariz Loor works
Medicare's Facility Affiliation Data lists Juan A. Tamariz Loor at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Harney District HospitalBurns, OR · Critical Access Hospital · Emergency services: listed by Medicare · CCN 381307
- St Charles MadrasMadras, OR · Critical Access Hospital · Emergency services: listed by Medicare · CCN 381324
- St Charles Medical Center - BendBend, OR · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 380047
- St Charles Medical Center PrinevillePrineville, OR · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 381313
Practice locations
Addresses where Juan A. Tamariz Loor is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 10; the Medicare profile lists all.
- 1245 NW 4th St, 101 Surg SpeciRedmond, OR 97756 (541) 548‑7761
- 1253 NW Canal Blvd, Adv Illness ManagRedmond, OR 97756 (541) 706‑5880
- 211 NW Larch Ave, Family CareRedmond, OR 97756 (541) 548‑2164
- 2500 NE Neff RdBend, OR 97701
- 2500 NE Neff Rd, Pulmonary ClinBend, OR 97701 (541) 706‑7715
Group practices
Medicare enrollment lists Juan A. Tamariz Loor as a member of this group (CMS data updated October 2, 2026).
- St Charles Health System Inc377 clinicians in the group
Specialties
Other pulmonologists in Oregon
Clinicians with the same Medicare primary specialty in Oregon — not a recommendation.
Other clinicians in St Charles Health System Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2005 (21 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1225286586 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- 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