Quick answers
- Does Carl W. Fieser accept Medicare assignment?
- Yes. Medicare's clinician data says Carl W. Fieser 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 Carl W. Fieser see?
- In 2024, CMS data shows 1,601 Original Medicare patients and 2,086 services for Carl W. Fieser. This counts Original Medicare only and measures volume, not quality.
- What is Carl W. Fieser's NPI number?
- 1316990849. 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 Carl W. Fieser, 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 | 1,601 |
|---|---|
| Services billed to Medicare | 2,086 |
| Different services or procedures | 101 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- X-ray of chest, 1 view (71045)515 services
- X-ray of chest, 2 views (71046)176 services
- X-ray of abdomen, 1 view (74018)110 services
- Ct scan of abdomen and pelvis with contrast (74177)100 services
- Ct scan of chest without contrast (71250)72 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%
- Arthritis53%
- Diabetes33%
- Ischemic heart disease31%
- Chronic kidney disease31%
Hospitals where Carl W. Fieser works
Medicare's Facility Affiliation Data lists Carl W. Fieser 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.
- Capital Medical CenterOlympia, WA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 500139
- Deaconess Medical CenterSpokane, WA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 500044
- El Camino HealthMountain View, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050308
- Multicare Valley HospitalSpokane Valley, WA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 500119
- San Ramon Regional Medical CenterSan Ramon, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050689
Practice locations
Addresses where Carl W. Fieser is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 9; the Medicare profile lists all.
- 1100 Marshall WayPlacerville, CA 95667 (530) 626‑2613
- 1326 N Stanford LnLiberty Lake, WA 99019 (509) 342‑3990
- 300 E 5th AveSpokane, WA 99202
- 311 S L StTacoma, WA 98405
- 400 E 5th AveSpokane, WA 99202 (509) 838‑2531
Group practices
Medicare enrollment lists Carl W. Fieser as a member of these groups (CMS data updated October 2, 2026).
- Multicare Health System2,325 clinicians in the group
- Central Valley Imaging Medical Associates Inc89 clinicians in the group
- Silicon Valley Diagnostic Imaging Inc76 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Other clinicians in Multicare Health System
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Kansas School Of Med (kc/wich/sal) |
| Graduation year | 1971 (55 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1316990849 |
| 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