Quick answers
- Does Michal J. Kubiak accept Medicare assignment?
- Yes. Medicare's clinician data says Michal J. Kubiak 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 Michal J. Kubiak see?
- In 2024, CMS data shows 366 Original Medicare patients and 1,301 services for Michal J. Kubiak. This counts Original Medicare only and measures volume, not quality.
- What is Michal J. Kubiak's NPI number?
- 1144776360. 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 Michal J. Kubiak, 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 | 366 |
|---|---|
| Services billed to Medicare | 1,301 |
| Different services or procedures | 17 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)450 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)332 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)212 services
- Telephone medical discussion with physician, 11-20 minutes (99442)51 services
- Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or (G2212)41 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 pressure70%
- High cholesterol53%
- Arthritis46%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)45%
- Diabetes27%
- Anxiety23%
Hospitals where Michal J. Kubiak works
Medicare's Facility Affiliation Data lists Michal J. Kubiak 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.
- Billings Clinic HospitalBillings, MT · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 270004
- Livingston HealthcareLivingston, MT · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 271317
- Powell Valley HospitalPowell, WY · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 531310
- Roundup Memorial HealthcareRoundup, MT · Critical Access Hospital · Emergency services: listed by Medicare · CCN 271346
- Stillwater Billings ClinicColumbus, MT · Critical Access Hospital · Emergency services: listed by Medicare · CCN 271330
Practice locations
Addresses where Michal J. Kubiak is enrolled with Medicare (CMS data updated October 2, 2026).
- 1301 15th Ave WWilliston, ND 58801 (701) 774‑7400
- 801 N 29th StBillings, MT 59101 (406) 238‑2500
Group practices
Medicare enrollment lists Michal J. Kubiak as a member of this group (CMS data updated October 2, 2026).
- Billings Clinic Specialty Supplies and Services, LLC824 clinicians in the group
Specialties
- Hematology/Oncologyprimary
Other hematologist-oncologists in North Dakota
Clinicians with the same Medicare primary specialty in North Dakota — not a recommendation.
Other clinicians in Billings Clinic Specialty Supplies and Services, LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2015 (11 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) | 1144776360 |
| 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