Quick answers
- Does Jeffrey S. Gilroy accept Medicare assignment?
- Yes. Medicare's clinician data says Jeffrey S. Gilroy 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 S. Gilroy see?
- In 2024, CMS data shows 190 Original Medicare patients and 2,396 services for Jeffrey S. Gilroy. This counts Original Medicare only and measures volume, not quality.
- What is Jeffrey S. Gilroy's NPI number?
- 1538177514. 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 S. Gilroy, 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 | 190 |
|---|---|
| Services billed to Medicare | 2,396 |
| Different services or procedures | 28 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Ct guidance for insertion of radiation therapy fields (77014)1,049 services
- Radiation treatment management, 5 treatment sessions (77427)254 services
- Calculation of radiation therapy dose (77300)248 services
- Design and construction of complex radiation treatment device (77334)173 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)89 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 pressure71%
- High cholesterol60%
- Arthritis45%
- COPD31%
- Diabetes29%
Hospitals where Jeffrey S. Gilroy works
Medicare's Facility Affiliation Data lists Jeffrey S. Gilroy 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.
- CHI Health Good SamaritanKearney, NE · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 280009
- CHI Health St. ElizabethLincoln, NE · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 280020
- Community Hospital of AnacondaAnaconda, MT · Critical Access Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 271335
- Deer Lodge Medical CenterDeer Lodge, MT · Critical Access Hospital · Emergency services: listed by Medicare · CCN 271314
- St James HospitalButte, MT · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 270017
Practice locations
Addresses where Jeffrey S. Gilroy is enrolled with Medicare (CMS data updated October 2, 2026).
- 10 E 31st St, CHI Health Good SamaritanKearney, NE 68847 (308) 865‑7100
- 400 S Clark StButte, MT 59701 (406) 495‑7260
- 400 S Clark St, St. James Healthcare Cancer Centers of MoButte, MT 59701 (406) 723‑2999
Group practices
Medicare enrollment lists Jeffrey S. Gilroy as a member of these groups (CMS data updated October 2, 2026).
- CHI Health Clinic Specialty LLC320 clinicians in the group
- SCL Health Medical Group-Butte LLC100 clinicians in the group
Specialties
- Radiation Oncologyprimary
Other radiation oncologists in Nebraska
Clinicians with the same Medicare primary specialty in Nebraska — not a recommendation.
Other clinicians in CHI Health Clinic Specialty LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Nebraska College Of Medicine |
| Graduation year | 1999 (27 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) | 1538177514 |
| 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