Quick answers
- Does Keith W. Harper accept Medicare assignment?
- Yes. Medicare's clinician data says Keith W. Harper 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 Keith W. Harper see?
- In 2024, CMS data shows 3,443 Original Medicare patients and 5,341 services for Keith W. Harper. This counts Original Medicare only and measures volume, not quality.
- What is Keith W. Harper's NPI number?
- 1194836528. 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 Keith W. Harper, 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 | 3,443 |
|---|---|
| Services billed to Medicare | 5,341 |
| Different services or procedures | 139 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- X-ray of chest, 1 view (71045)723 services
- Ct scan head or brain without contrast (70450)290 services
- Ct scan of abdomen and pelvis with contrast (74177)244 services
- X-ray of chest, 2 views (71046)189 services
- Ct scan of abdomen and pelvis without contrast (74176)172 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%
- Arthritis58%
- Ischemic heart disease34%
- Chronic kidney disease34%
- Diabetes31%
Hospitals where Keith W. Harper works
Medicare's Facility Affiliation Data lists Keith W. Harper 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
- Northwest Specialty HospitalPost Falls, ID · Acute Care Hospital · Emergency services: not listed by Medicare · CCN 130066
- Swedish Medical CenterSeattle, WA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 500027
- Swedish Medical Center / Cherry HillSeattle, WA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 500025
- Yakima Valley MemorialYakima, WA · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: not listed by Medicare · CCN 500036
Practice locations
Addresses where Keith W. Harper is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 7; the Medicare profile lists all.
- 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
- 2811 Tieton DrYakima, WA 98902 (509) 575‑8000
- 3927 Rucker AveEverett, WA 98201 (425) 259‑0966
Group practices
Medicare enrollment lists Keith W. Harper as a member of these groups (CMS data updated October 2, 2026).
- Swedish Health Services1,037 clinicians in the group
- Optum Care Washington PLLC683 clinicians in the group
- Yakima Valley Memorial Physicians391 clinicians in the group
- Radia Inc P S277 clinicians in the group
- Swedish Health Services154 clinicians in the group
- Radia Oregon Radiology Medical Group LLC121 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Bellevue
Clinicians with the same Medicare primary specialty in Bellevue, WA — 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 | MD |
|---|---|
| Medical school | Boston University School Of Medicine |
| Graduation year | 1998 (28 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1194836528 |
| 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