Quick answers
- Does Rafal L. Sosnowski accept Medicare assignment?
- Yes. Medicare's clinician data says Rafal L. Sosnowski 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 Rafal L. Sosnowski see?
- In 2024, CMS data shows 3,159 Original Medicare patients and 24,910 services for Rafal L. Sosnowski. This counts Original Medicare only and measures volume, not quality.
- What is Rafal L. Sosnowski's NPI number?
- 1699941039. 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 Rafal L. Sosnowski, 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 | 3,159 |
|---|---|
| Services billed to Medicare | 24,910 |
| Different services or procedures | 157 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (Q9967)14,605 services
- Injection, gadobutrol, 0.1 ml (A9585)3,525 services
- Piflufolastat f-18, diagnostic, 1 millicurie (A9595)568 services
- X-ray of chest, 1 view (71045)552 services
- Ct scan of abdomen and pelvis with contrast (74177)535 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%
- Arthritis54%
- Ischemic heart disease45%
- Diabetes43%
- Chronic kidney disease37%
Hospitals where Rafal L. Sosnowski works
Medicare's Facility Affiliation Data lists Rafal L. Sosnowski 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.
- Bakersfield Memorial HospitalBakersfield, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050036
- Mercy HospitalBakersfield, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050295
- PeaceHealth Southwest Medical CenteVancouver, WA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: not listed by Medicare · CCN 500050
- Providence Santa Rosa Memorial HospitalSanta Rosa, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050174
- Saint Anthony Medical CenterRockford, IL · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 140233
Practice locations
Addresses where Rafal L. Sosnowski is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 14; the Medicare profile lists all.
- 215 E 1st StDixon, IL 61021 (815) 288‑5531
- 2301 Bahamas DrBakersfield, CA 93309 · Kern Radiology Medical Group Inc (661) 326‑9600
- 3901 Hoyt AveEverett, WA 98201 (425) 339‑5442
- 3927 Rucker AveEverett, WA 98201 (425) 339‑3930
- 403 E 1st StDixon, IL 61021 (815) 288‑5531
Group practices
Medicare enrollment lists Rafal L. Sosnowski as a member of these groups (CMS data updated October 2, 2026).
- OSF Multi-Specialty Group2,114 clinicians in the group
- County of Santa Clara1,022 clinicians in the group
- Central Washington Health Services Association721 clinicians in the group
- Optum Care Washington PLLC683 clinicians in the group
- Radia Inc P S277 clinicians in the group
- Radia California Radiology Medical Group Inc136 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Dixon
Clinicians with the same Medicare primary specialty in Dixon, IL — not a recommendation.
Other clinicians in OSF Multi-Specialty Group
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Chicago College Of Osteopathy |
| 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) | 1699941039 |
| 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