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Nurse Practitioner

Kristen M. Maefsky, NP

Sees patients in Spokane Valley, WA · Spokane, WA · Puyallup, WA · Washington

Summary

Kristen M. Maefsky, NP is a nurse practitioner at 14820 E 4th Ave, Spokane Valley, WA 99216. Phone: (509) 922-1644. Accepts Medicare assignment. In 2024, Kristen M. Maefsky had 247 Original Medicare patients and 843 services. NPI 1528363835. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Nurse practitioner
  • Address: 14820 E 4th Ave, Spokane Valley, WA 99216 · Directions (4 more locations)
  • Phone: (509) 922‑1644
  • Medicare: Accepts Medicare assignment
  • Group practice: Washington Pac Services PC (+1 more)
  • School: graduated 2010
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Kristen M. Maefsky, 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 Kristen M. Maefsky accept Medicare assignment?
Yes. Medicare's clinician data says Kristen M. Maefsky 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 M. Maefsky see?
In 2024, CMS data shows 247 Original Medicare patients and 843 services for Kristen M. Maefsky. This counts Original Medicare only and measures volume, not quality.
What is Kristen M. Maefsky's NPI number?
1528363835. 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 M. Maefsky, 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 patients247
Services billed to Medicare843
Different services or procedures14
Participating Medicare providerYes
Average age of these patients84

Most frequent services

  1. Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)275 services
  2. Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes (99349)226 services
  3. Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes (99310)100 services
  4. Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes (99348)53 services
  5. Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more (99308)42 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 cholesterol70%
  • Arthritis64%
  • Depression53%
  • Heart failure45%
  • Alzheimer's disease or dementia45%

Practice locations

Addresses where Kristen M. Maefsky is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Kristen M. Maefsky as a member of these groups (CMS data updated October 2, 2026).

  • Washington Pac Services PC44 clinicians in the group
  • WA Pacs 2 PC27 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, Washington →

Other nurse practitioners in Spokane Valley

Clinicians with the same Medicare primary specialty in Spokane Valley, WA — not a recommendation.

All nurse practitioners in Spokane Valley →

Other clinicians in Washington Pac Services PC

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

Clinician information

CredentialNP
Graduation year2010
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1528363835
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians