Quick answers
- Does Steven L. Rosinski accept Medicare assignment?
- Yes. Medicare's clinician data says Steven L. Rosinski 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 Steven L. Rosinski see?
- In 2024, CMS data shows 625 Original Medicare patients and 209,941 services for Steven L. Rosinski. This counts Original Medicare only and measures volume, not quality.
- What is Steven L. Rosinski's NPI number?
- 1073621819. 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 Steven L. Rosinski, 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 | 625 |
|---|---|
| Services billed to Medicare | 209,941 |
| Different services or procedures | 121 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Injection, cemiplimab-rwlc, 1 mg (J9119)18,900 services
- Injection, pembrolizumab, 1 mg (J9271)17,200 services
- Injection, ferumoxytol, for treatment of iron deficiency anemia, 1 mg (non-esrd use) (Q0138)16,830 services
- Injection, dexamethasone sodium phosphate, 1 mg (J1100)2,651 services
- Injection, granisetron hydrochloride, 100 mcg (J1626)2,425 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%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)47%
- Arthritis45%
- Diabetes34%
- COPD34%
Hospitals where Steven L. Rosinski works
Medicare's Facility Affiliation Data lists Steven L. Rosinski 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.
- Colorado River Medical CenterNeedles, CA · Critical Access Hospital · Emergency services: listed by Medicare · CCN 051323
- Havasu Regional Medical CenterLake Havasu City, AZ · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 030069
- Kingman Regional Medical CenterKingman, AZ · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 030055
- Valley View Medical CenterFort Mohave, AZ · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 030117
- Western Arizona Regional Medical CenterBullhead City, AZ · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 030101
Practice locations
Addresses where Steven L. Rosinski is enrolled with Medicare (CMS data updated October 2, 2026).
- 967 Hancock Rd, Suite 133Bullhead City, AZ 86442 (928) 219‑1357
Group practices
Medicare enrollment lists Steven L. Rosinski as a member of this group (CMS data updated October 2, 2026).
- Phoenix Cancer and Blood Disorder Treatment Institute PLLC2 clinicians in the group
Specialties
- Hematology/Oncologyprimary
- Internal Medicinealso
Other hematologist-oncologists in Arizona
Clinicians with the same Medicare primary specialty in Arizona — not a recommendation.
Other clinicians in Phoenix Cancer and Blood Disorder Treatment Institute PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Colorado School Of Medicine, Denver |
| Graduation year | 2005 (21 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1073621819 |
| 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