Quick answers
- Does Gwen H. Lisella accept Medicare assignment?
- Yes. Medicare's clinician data says Gwen H. Lisella 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 Gwen H. Lisella see?
- In 2024, CMS data shows 259 Original Medicare patients and 1,709 services for Gwen H. Lisella. This counts Original Medicare only and measures volume, not quality.
- What is Gwen H. Lisella's NPI number?
- 1457397440. 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 Gwen H. Lisella, 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 | 259 |
|---|---|
| Services billed to Medicare | 1,709 |
| Different services or procedures | 27 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Ct guidance for insertion of radiation therapy fields (77014)517 services
- Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy (G6002)296 services
- Design and construction of complex radiation treatment device (77334)228 services
- Calculation of radiation therapy dose (77300)197 services
- Radiation treatment management, 5 treatment sessions (77427)120 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 pressure69%
- High cholesterol64%
- Arthritis44%
- Ischemic heart disease23%
- Chronic kidney disease22%
Hospitals where Gwen H. Lisella works
Medicare's Facility Affiliation Data lists Gwen H. Lisella 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.
- Poudre Valley HospitalFort Collins, CO · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 060010
Practice locations
Addresses where Gwen H. Lisella is enrolled with Medicare (CMS data updated October 2, 2026).
- 2121 E Harmony Rd, Unit 160 Uchmg Radiation OncologyFort Collins, CO 80528 (970) 482‑3328
Group practices
Medicare enrollment lists Gwen H. Lisella as a member of this group (CMS data updated October 2, 2026).
- Poudre Valley Medical Group LLC2,440 clinicians in the group
Specialties
- Radiation Oncologyprimary
Other radiation oncologists in Fort Collins
Clinicians with the same Medicare primary specialty in Fort Collins, CO — not a recommendation.
Other clinicians in Poudre Valley Medical Group LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1988 (38 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1457397440 |
| 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