Quick answers
- Does Richard P. Nguyen accept Medicare assignment?
- Yes. Medicare's clinician data says Richard P. Nguyen 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 Richard P. Nguyen see?
- In 2024, CMS data shows 1,689 Original Medicare patients and 4,162 services for Richard P. Nguyen. This counts Original Medicare only and measures volume, not quality.
- What is Richard P. Nguyen's NPI number?
- 1861655284. 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 Richard P. Nguyen, 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 | 1,689 |
|---|---|
| Services billed to Medicare | 4,162 |
| Different services or procedures | 128 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Injection, gadobutrol, 0.1 ml (A9585)1,270 services
- Ct scan head or brain without contrast (70450)253 services
- Mri scan of lower spinal canal without contrast (72148)182 services
- Mri scan of brain before and after contrast (70553)133 services
- Ct scan of blood vessels of neck with contrast (70498)118 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%
- High cholesterol75%
- Arthritis65%
- Diabetes33%
- Depression30%
- Chronic kidney disease29%
Hospitals where Richard P. Nguyen works
Medicare's Facility Affiliation Data lists Richard P. Nguyen 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.
- Kadlec Regional Medical CenterRichland, WA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 500058
- Prov Sacred HRT Medical Center & Childs HospitalSpokane, WA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 500054
- Providence St Mary Medical CenterWalla Walla, WA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 500002
- St Anthony HospitalPendleton, OR · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 381319
- St. Patrick HospitalMissoula, MT · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 270014
Practice locations
Addresses where Richard P. Nguyen is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 11; the Medicare profile lists all.
- 1200 12th Ave SSeattle, WA 98144 (509) 363‑7745
- 2360 Mullan Rd, Suite CMissoula, MT 59808 (509) 363‑7788
- 2419 Mullan Rd, Suite DMissoula, MT 59808 (509) 363‑7788
- 2801 St Anthony WayPendleton, OR 97801 (541) 276‑5121
- 3680 NW Samaritan DrCorvallis, OR 97330 (541) 754‑1150
Group practices
Medicare enrollment lists Richard P. Nguyen as a member of these groups (CMS data updated October 2, 2026).
- Oregon Healthcare Resources LLC159 clinicians in the group
- Inland Imaging LLC129 clinicians in the group
- Integra Imaging PS128 clinicians in the group
- Inland Imaging Associates PS126 clinicians in the group
- The Corvallis Clinic P C124 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Seattle
Clinicians with the same Medicare primary specialty in Seattle, WA — not a recommendation.
Other clinicians in Oregon Healthcare Resources LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Eastern Virginia Medical School |
| Graduation year | 2004 (22 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1861655284 |
| 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