Quick answers
- Does Richard T. Dahlen accept Medicare assignment?
- Yes. Medicare's clinician data says Richard T. Dahlen 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 T. Dahlen see?
- In 2024, CMS data shows 2,690 Original Medicare patients and 5,998 services for Richard T. Dahlen. This counts Original Medicare only and measures volume, not quality.
- What is Richard T. Dahlen's NPI number?
- 1972542173. 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 T. Dahlen, 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 | 2,690 |
|---|---|
| Services billed to Medicare | 5,998 |
| Different services or procedures | 86 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Injection, gadobutrol, 0.1 ml (A9585)1,809 services
- Mri scan of lower spinal canal without contrast (72148)638 services
- Mri scan of brain before and after contrast (70553)389 services
- Ct scan head or brain without contrast (70450)375 services
- Mri scan of brain without contrast (70551)314 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 pressure68%
- Arthritis68%
- High cholesterol65%
- Depression30%
- Anxiety27%
- Diabetes23%
Hospitals where Richard T. Dahlen works
Medicare's Facility Affiliation Data lists Richard T. Dahlen 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.
- Bitterroot Health - Daly HospitalHamilton, MT · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 271340
- Community Medical CenterMissoula, MT · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 270023
- Kadlec Regional Medical CenterRichland, WA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 500058
- Providence St Mary Medical CenterWalla Walla, WA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 500002
- 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 T. Dahlen is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 14; the Medicare profile lists all.
- 1145 BroadwaySeattle, WA 98122 (206) 329‑1760
- 1145 Broadway, Suite 2mSeattle, WA 98122 (206) 682‑3447
- 1200 12th Ave SSeattle, WA 98144 (509) 363‑7788
- 1450 1st Ave SWQuincy, WA 98848 (509) 787‑6423
- 200 Nat Washington Way, Columbia Basin HospitalEphrata, WA 98823 (509) 754‑4631
Group practices
Medicare enrollment lists Richard T. Dahlen as a member of these groups (CMS data updated October 2, 2026).
- The Polyclinic PLLC365 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
- Moses Lake Community Health Center81 clinicians in the group
- Grant County Public Hospital District No. 368 clinicians in the group
Specialties
- Interventional Radiologyprimary
Other interventional radiologists in Seattle
Clinicians with the same Medicare primary specialty in Seattle, WA — not a recommendation.
Other clinicians in The Polyclinic PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Uniformed Services Uhs Fe Hebert School Of Med |
| Graduation year | 1988 (38 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1972542173 |
| 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