Quick answers
- Does Kristen L. Rider accept Medicare assignment?
- Yes. Medicare's clinician data says Kristen L. Rider 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 Kristen L. Rider see?
- In 2024, CMS data shows 11 Original Medicare patients and 15 services for Kristen L. Rider. This counts Original Medicare only and measures volume, not quality.
- What is Kristen L. Rider's NPI number?
- 1881903540. 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 Kristen L. Rider, 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 | 11 |
|---|---|
| Services billed to Medicare | 15 |
| Different services or procedures | 6 |
| Participating Medicare provider | Yes |
| Average age of these patients | 65 |
Hospitals where Kristen L. Rider works
Medicare's Facility Affiliation Data lists Kristen L. Rider 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.
- UnityPoint Health - MeriterMadison, WI · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 520089
Practice locations
Addresses where Kristen L. Rider is enrolled with Medicare (CMS data updated October 2, 2026).
- 202 S Park StMadison, WI 53715 (608) 287‑2050
- 600 Highland AveMadison, WI 53792 (608) 263‑6400
Group practices
Medicare enrollment lists Kristen L. Rider as a member of this group (CMS data updated October 2, 2026).
- University of Wisconsin Medical Foundation Inc2,553 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Madison
Clinicians with the same Medicare primary specialty in Madison, WI — not a recommendation.
Other clinicians in University of Wisconsin Medical Foundation Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| School | University Of Wisconsin School Of Medicine |
|---|---|
| Graduation year | 2010 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1881903540 |
| 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