Quick answers
- Does Kelsey L. Corrigan accept Medicare assignment?
- Yes. Medicare's clinician data says Kelsey L. Corrigan 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 Kelsey L. Corrigan see?
- In 2024, CMS data shows 66 Original Medicare patients and 397 services for Kelsey L. Corrigan. This counts Original Medicare only and measures volume, not quality.
- What is Kelsey L. Corrigan's NPI number?
- 1750841532. 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 Kelsey L. Corrigan, 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 | 66 |
|---|---|
| Services billed to Medicare | 397 |
| Different services or procedures | 25 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Ct guidance for insertion of radiation therapy fields (77014)168 services
- Radiation treatment management, 5 treatment sessions (77427)45 services
- Calculation of radiation therapy dose (77300)44 services
- Design and construction of complex radiation treatment device (77334)23 services
- New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)23 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).
- High cholesterol75%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)75%
- High blood pressure74%
- Arthritis48%
- Ischemic heart disease47%
- Chronic kidney disease39%
Hospitals where Kelsey L. Corrigan works
Medicare's Facility Affiliation Data lists Kelsey L. Corrigan 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.
- Ascension SE Wisconsin HospitalMilwaukee, WI · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 520136
- Aurora St Lukes Medical CenterMilwaukee, WI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 520138
- West Allis Memorial HospitalWest Allis, WI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 520139
Practice locations
Addresses where Kelsey L. Corrigan is enrolled with Medicare (CMS data updated October 2, 2026).
- 11516 N Port Washington Rd, Suite 107Mequon, WI 53092 (262) 241‑5040
- 1222 N 23rd StSheboygan, WI 53081 (920) 457‑6800
- 2900 W Oklahoma AveMilwaukee, WI 53215 (414) 649‑6420
- 945 N 12th StMilwaukee, WI 53233 (414) 219‑7140
Group practices
Medicare enrollment lists Kelsey L. Corrigan as a member of this group (CMS data updated October 2, 2026).
- Radiation Oncology Associates Ltd24 clinicians in the group
Specialties
- Radiation Oncologyprimary
Other radiation oncologists in Wisconsin
Clinicians with the same Medicare primary specialty in Wisconsin — not a recommendation.
Other clinicians in Radiation Oncology Associates Ltd
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Duke University School Of Medicine |
| Graduation year | 2019 (7 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1750841532 |
| 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