Quick answers
- Does Kimberly A. Madsen accept Medicare assignment?
- Yes. Medicare's clinician data says Kimberly A. Madsen 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 Kimberly A. Madsen see?
- In 2024, CMS data shows 59 Original Medicare patients and 171 services for Kimberly A. Madsen. This counts Original Medicare only and measures volume, not quality.
- What is Kimberly A. Madsen's NPI number?
- 1265556120. 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 Kimberly A. Madsen, 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 | 59 |
|---|---|
| Services billed to Medicare | 171 |
| Different services or procedures | 18 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Removal of cataract with insertion of prosthetic lens (66984)36 services
- New patient complete exam of visual system (92004)23 services
- Ct scan of cornea (92025)23 services
- Measurement of corneal curvature and depth of eye (92136)23 services
- Established patient complete exam of visual system (92014)16 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 blood pressure59%
- High cholesterol41%
- Diabetes37%
- Arthritis31%
- Chronic kidney disease24%
Practice locations
Addresses where Kimberly A. Madsen is enrolled with Medicare (CMS data updated October 2, 2026).
- 301 S 320th StFederal Way, WA 98003 (253) 874‑7000
Group practices
Medicare enrollment lists Kimberly A. Madsen as a member of this group (CMS data updated October 2, 2026).
- Kaiser Foundation Health Plan of Washington1,526 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Federal Way
Clinicians with the same Medicare primary specialty in Federal Way, WA — not a recommendation.
Other clinicians in Kaiser Foundation Health Plan of Washington
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Ohio State University College Of Medicine |
| Graduation year | 2005 (21 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1265556120 |
| 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
- 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