Quick answers
- Does Roman Kowalchuk accept Medicare assignment?
- Yes. Medicare's clinician data says Roman Kowalchuk 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 Roman Kowalchuk see?
- In 2024, CMS data shows 78 Original Medicare patients and 328 services for Roman Kowalchuk. This counts Original Medicare only and measures volume, not quality.
- What is Roman Kowalchuk's NPI number?
- 1962965608. 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 Roman Kowalchuk, 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 | 78 |
|---|---|
| Services billed to Medicare | 328 |
| Different services or procedures | 17 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy (G6002)95 services
- Calculation of radiation therapy dose (77300)55 services
- Radiation treatment management, 5 treatment sessions (77427)53 services
- Design and construction of complex radiation treatment device (77334)30 services
- New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)21 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 cholesterol69%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)67%
- High blood pressure60%
- Arthritis38%
- Ischemic heart disease27%
- Diabetes24%
Hospitals where Roman Kowalchuk works
Medicare's Facility Affiliation Data lists Roman Kowalchuk 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.
- Mayo Clinic Hospital RochesterRochester, MN · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 240010
Practice locations
Addresses where Roman Kowalchuk is enrolled with Medicare (CMS data updated October 2, 2026).
- 200 1st St SWRochester, MN 55905 (507) 284‑2511
Group practices
Medicare enrollment lists Roman Kowalchuk as a member of this group (CMS data updated October 2, 2026).
- Mayo Clinic4,956 clinicians in the group
Specialties
- Radiation Oncologyprimary
Other radiation oncologists in Rochester
Clinicians with the same Medicare primary specialty in Rochester, MN — not a recommendation.
Other clinicians in Mayo Clinic
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Virginia School Of Medicine |
| Graduation year | 2019 (7 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1962965608 |
| 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