Quick answers
- Does Jeffrey A. Stephenson accept Medicare assignment?
- Yes. Medicare's clinician data says Jeffrey A. Stephenson 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 Jeffrey A. Stephenson see?
- In 2024, CMS data shows 213 Original Medicare patients and 2,961 services for Jeffrey A. Stephenson. This counts Original Medicare only and measures volume, not quality.
- What is Jeffrey A. Stephenson's NPI number?
- 1053312900. 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 Jeffrey A. Stephenson, 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 | 213 |
|---|---|
| Services billed to Medicare | 2,961 |
| Different services or procedures | 30 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Ct guidance for insertion of radiation therapy fields (77014)865 services
- Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy (G6002)542 services
- Radiation treatment management, 5 treatment sessions (77427)385 services
- Calculation of radiation therapy dose (77300)357 services
- Design and construction of complex radiation treatment device (77334)143 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).
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)75%
- High blood pressure66%
- High cholesterol57%
- Arthritis39%
- Ischemic heart disease30%
- Depression19%
Hospitals where Jeffrey A. Stephenson works
Medicare's Facility Affiliation Data lists Jeffrey A. Stephenson 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.
- Bitterroot Health - Daly HospitalHamilton, MT · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 271340
- Community Medical CenterMissoula, MT · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 270023
- Providence St Joseph Medical CenterPolson, MT · Critical Access Hospital · Emergency services: listed by Medicare · CCN 271343
- St. Patrick HospitalMissoula, MT · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 270014
Practice locations
Addresses where Jeffrey A. Stephenson is enrolled with Medicare (CMS data updated October 2, 2026).
- 500 W Broadway StMissoula, MT 59802 (406) 329‑5828
Group practices
Medicare enrollment lists Jeffrey A. Stephenson as a member of this group (CMS data updated October 2, 2026).
- Providence Health and Services Mt362 clinicians in the group
Specialties
- Radiation Oncologyprimary
Other radiation oncologists in Montana
Clinicians with the same Medicare primary specialty in Montana — not a recommendation.
Other clinicians in Providence Health and Services Mt
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Wisconsin School Of Medicine |
| Graduation year | 1985 (41 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1053312900 |
| 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