Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Nurse Practitioner

Katherine L. Walden, NP

Works at hospitals in Kansas City, KS · Kansas

Summary

Katherine L. Walden, NP is a nurse practitioner at 20333 W 151st St, Olathe, KS 66061. Phone: (913) 588-1227. Accepts Medicare assignment. In 2024, Katherine L. Walden had 59 Original Medicare patients and 63 services. NPI 1598219396. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Nurse practitioner
  • Address: 20333 W 151st St, Olathe, KS 66061 · Directions (1 more location)
  • Phone: (913) 588‑1227
  • Medicare: Accepts Medicare assignment
  • Hospital: University of Kansas Hospital
  • Group practice: Kansas University Physicians Inc (+1 more)
  • School: graduated 2016
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Katherine L. Walden, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Katherine L. Walden accept Medicare assignment?
Yes. Medicare's clinician data says Katherine L. Walden 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 Katherine L. Walden see?
In 2024, CMS data shows 59 Original Medicare patients and 63 services for Katherine L. Walden. This counts Original Medicare only and measures volume, not quality.
What is Katherine L. Walden's NPI number?
1598219396. 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 Katherine L. Walden, 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 patients59
Services billed to Medicare63
Different services or procedures9
Participating Medicare providerYes
Average age of these patients69

Most frequent services

  1. Emergency department visit with moderate level of medical decision making (99284)26 services
  2. Emergency department visit with high level of medical decision making (99285)21 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 pressure75%
  • High cholesterol73%
  • Arthritis61%
  • Anxiety46%
  • Ischemic heart disease37%
  • Depression37%

Hospitals where Katherine L. Walden works

Medicare's Facility Affiliation Data lists Katherine L. Walden 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.

Practice locations

Addresses where Katherine L. Walden is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Katherine L. Walden as a member of these groups (CMS data updated October 2, 2026).

  • Kansas University Physicians Inc1,849 clinicians in the group
  • University of Kansas Hospital Authority250 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, Kansas →

Other nurse practitioners in Olathe

Clinicians with the same Medicare primary specialty in Olathe, KS — not a recommendation.

All nurse practitioners in Olathe →

Other clinicians in Kansas University Physicians Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialNP
Graduation year2016
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1598219396
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians