Quick answers
- Does Nathan T. Mortensen accept Medicare assignment?
- Yes. Medicare's clinician data says Nathan T. Mortensen 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 Nathan T. Mortensen see?
- In 2024, CMS data shows 2,435 Original Medicare patients and 23,712 services for Nathan T. Mortensen. This counts Original Medicare only and measures volume, not quality.
- What is Nathan T. Mortensen's NPI number?
- 1679825400. 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 Nathan T. Mortensen, 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 | 2,435 |
|---|---|
| Services billed to Medicare | 23,712 |
| Different services or procedures | 99 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Injection, gadobutrol, 0.1 ml (A9585)20,470 services
- Mri scan of brain before and after contrast (70553)358 services
- X-ray of chest, 1 view (71045)230 services
- Mri scan of lower spinal canal without contrast (72148)218 services
- X-ray of chest, 2 views (71046)197 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 pressure69%
- High cholesterol69%
- Arthritis64%
- Depression27%
- Anxiety27%
- Ischemic heart disease24%
Hospitals where Nathan T. Mortensen works
Medicare's Facility Affiliation Data lists Nathan T. Mortensen 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.
- Asante Rogue Regional Medical CenterMedford, OR · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 380018
- Evergreenhealth Medical CenterKirkland, WA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 500124
- Providence Regional Medical Center EverettEverett, WA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 500014
- Providence St Peter HospitalOlympia, WA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 500024
- Swedish Medical Center / Cherry HillSeattle, WA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 500025
Practice locations
Addresses where Nathan T. Mortensen is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 15; the Medicare profile lists all.
- 11869 S October CvSandy, UT 84092 · Tower Imaging Medical Associates Inc (323) 549‑3030
- 1200 112th Ave NE, Suite B250Bellevue, WA 98004
- 13020 Meridian Ave SEverett, WA 98208 (425) 357‑3960
- 18100 NE Union Hill RdRedmond, WA 98052 (425) 498‑2030
- 278 Maple StAshland, OR 97520 · Medford Radiological Group PC (541) 773‑2493
Group practices
Medicare enrollment lists Nathan T. Mortensen as a member of these groups (CMS data updated October 2, 2026).
- Swedish Health Services1,037 clinicians in the group
- County of Santa Clara1,022 clinicians in the group
- Optum Care Washington PLLC683 clinicians in the group
- Radia Inc P S277 clinicians in the group
- Swedish Health Services154 clinicians in the group
- Radia California Radiology Medical Group Inc136 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Sandy
Clinicians with the same Medicare primary specialty in Sandy, UT — not a recommendation.
Other clinicians in Swedish Health Services
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2012 (14 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1679825400 |
| 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