Home › Doctors › Montana › Billings › Oncologists
Oncologists who accept Medicare in Billings, MT
CMS lists 13 clinicians in this specialty with a practice address in Billings. Accept Medicare assignment (the Medicare-approved amount as full payment): 13. Offer telehealth: 11.
Typical amounts Medicare approves in ZIP 59101 (2024 Medicare rates, the latest CMS has published): a new-patient visit $172, of which you pay about $43; a follow-up visit $100, of which you pay about $25 — the 20% coinsurance after the yearly Part B deductible. Clinicians who don't accept assignment can charge up to 15% more; with a Medicare Advantage plan, your plan's copay applies instead.
Is this your organization or practice? Feature it at the top of this page — $49 for 30 days →
Order: clinicians who accept assignment first, then by MIPS score (highest first), then by last name.
Mykola Onyshchenko, MD
✓ Accepts Medicare assignmentMIPS score (2024): 92.8/100✓ TelehealthGraduated 2004MaleDrug and device company payments (2025): $149Michael Lyster, MD
✓ Accepts Medicare assignmentMIPS score (2024): 83.8/100Graduated 1987MaleStephen P. Anthony, DO
✓ Accepts Medicare assignmentGraduated 1988MaleDrug and device company payments (2025): $249Tyler W. Buckner, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 2005 · University of North Carolina at Chapel Hill School of MedicineMaleOther offices in Billings: 1David F. Christianson, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 1993 · University of Oklahoma College of MedicineMaleTroy A. Fiddler, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 2000 · Oregon Health Sciences University School of MedicineMaleKristina Hool, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 2007 · University of Southern California Keck School of MedicineFemaleMichael T. Kidd, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 2009MaleDrug and device company payments (2025): $69Michal J. Kubiak, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 2015MaleDrug and device company payments (2025): $53Martin K. Lucas, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 1985 · University of Tennessee, HSC, College of MedicineFemaleOther offices in Billings: 2Roger G. Santala, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 1970 · Northwestern University Feinberg Medical SchoolMaleShenthol Sasankan, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 2012FemaleDrug and device company payments (2025): $110Jena Song, DO
✓ Accepts Medicare assignment✓ TelehealthGraduated 2016FemaleDrug and device company payments (2025): $917
Before you book
This list comes from Medicare's enrollment records, not from reviews. Call the office to confirm the clinician is taking new Medicare patients. With Original Medicare, a clinician who accepts assignment can only charge you the Medicare deductible and coinsurance; one who doesn't may charge up to 15% more than the Medicare-approved amount. If you have a Medicare Advantage plan, check that the clinician is in the plan's network.
The MIPS final score (0–100) comes from Medicare's Merit-based Incentive Payment System for 2024. It combines quality measures, cost, improvement activities and use of certified health records, and it sets a payment adjustment. Clinicians who report as a group share the group's score. It is not a patient rating, and many clinicians have no published score.
Payments from drug and medical device companies come from CMS Open Payments (2025 general payments: meals, travel, consulting and speaking fees, gifts and similar), summed for each clinician. Receiving payments is legal and common and does not mean a clinician did anything wrong.
Other specialists in Billings
- Primary care doctors176
- Geriatricians4
- Nurse practitioners220
- Cardiologists62
- Dermatologists14
- Orthopedic surgeons30
- Neurologists28
- Gastroenterologists36
- Ophthalmologists21
- Optometrists45
- Podiatrists11
- Urologists17
- Pulmonologists21
- Nephrologists10
- Endocrinologists3
- Rheumatologists5
- ENT doctors17
- Psychiatrists38
- Psychologists10
- Therapists and counselors208
- Physical therapists71
- Occupational therapists19
- Speech therapists6
- Audiologists9
- Chiropractors38
- Gynecologists25
- General surgeons31
- Vascular surgeons5
- Physiatrists11
- Allergists3
- Dietitians12
- Neurosurgeons16
- Infectious disease doctors7
Other care in Billings
Hospitals · Nursing homes · Dialysis centers · Home health agencies · Hospices
Enrollment, addresses and scores are as reported to CMS and can change. This is not a list of in-network providers for any Medicare Advantage plan, and it is not medical advice. Source: CMS Provider Data Catalog — Doctors and Clinicians National Downloadable File, Clinician MIPS Performance 2024 and Facility Affiliation Data (released Oct 2, 2026).