Michal Jakub Kubiak, M.D.
NPI 1144776360ActiveIndividual· Internal Medicine, Hematology & Oncology· McHenry, IL
Internal Medicine, Hematology & Oncology (M.D.) with Billings Clinic Specialty Supplies and Services, LLC, practicing in McHenry, Illinois. Their prescriptions cost Medicare Part D more than their services did: $2,199,747 for 752 claims, against $75,674 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 3 companies reporting payments in 2025, $52.85 in all, mostly food and beverage. Lists Billings Clinic Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1144776360 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 28, 2016 |
| Last updated in NPPES | Aug 17, 2023 |
| Certified by provider | Aug 17, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | MED-PHYS-LIC-117889 | MT |
| Internal Medicine | 207R00000X | 125069401 | IL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Hematology/Oncology (MT); Practitioner - Hematology/Oncology (ND) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 366 |
|---|---|
| Services billed | 1,301 across 17 procedure codes |
| Paid by Medicare | $75,674 |
Part D prescriptions in 2024
| Prescriptions (claims) | 752 · 971 30-day fills |
|---|---|
| Patients | 142 |
| Total drug cost | $2,199,747 |
| Generic share | 74% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical group
- Billings Clinic Specialty Supplies and Services, LLCBillings, MT · 824 clinicians
Hospital affiliations
- Billings Clinic HospitalBillings, MT
- Livingston HealthcareLivingston, MT
- Powell Valley HospitalPowell, WY
- Roundup Memorial HealthcareRoundup, MT
- Stillwater Billings ClinicColumbus, MT
Industry payments (Open Payments)
- 2025$52.85 · 3 payments from 3 companies
- 2024$90.50 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $20.70 | 1 |
| Novartis Pharmaceuticals Corporation | $17.15 | 1 |
| Aveo Pharmaceuticals, Inc. | $15.00 | 1 |
What the 2025 payments were for
- Food and Beverage$37.85 · 2 payments
- Education$15.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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