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Certified Nurse Midwife (CNM)

Ashley Kristofzski, CNM

Works at hospitals in Prosser, WA · Washington

Summary

Ashley Kristofzski, CNM is a nurse midwife at 200 Prosser Health Dr, Prosser, WA 99350. Phone: (509) 788-6022. Accepts Medicare assignment. NPI 1043999378. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

  • Specialty: Nurse midwife (Medicare lists Certified Nurse Midwife (CNM))
  • Address: 200 Prosser Health Dr, Prosser, WA 99350 · Directions (3 more locations)
  • Phone: (509) 788‑6022
  • Medicare: Accepts Medicare assignment
  • Hospital: Prosser Memorial Hospital
  • Group practice: Prosser Public Hospital District of Benton County
  • School: graduated 2023
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Ashley Kristofzski, 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 Ashley Kristofzski accept Medicare assignment?
Yes. Medicare's clinician data says Ashley Kristofzski 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.
What is Ashley Kristofzski's NPI number?
1043999378. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Ashley Kristofzski works

Medicare's Facility Affiliation Data lists Ashley Kristofzski 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.

  • Prosser Memorial HospitalProsser, WA · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 501312

Practice locations

Addresses where Ashley Kristofzski is enrolled with Medicare (CMS data updated October 2, 2026).

  • 200 Prosser Health DrProsser, WA 99350 (509) 788‑6022
  • 336 Chardonnay AveProsser, WA 99350
  • 723 Memorial StProsser, WA 99350
  • 820 Memorial St, Suite 3Prosser, WA 99350

Group practices

Medicare enrollment lists Ashley Kristofzski as a member of this group (CMS data updated October 2, 2026).

  • Prosser Public Hospital District of Benton County109 clinicians in the group

Specialties

Find other clinicians: Certified Nurse Midwife (CNM), Washington →

Other nurse midwifes in Washington

Clinicians with the same Medicare primary specialty in Washington — not a recommendation.

All nurse midwifes in Washington →

Other clinicians in Prosser Public Hospital District of Benton County

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

Clinician information

CredentialCNM
Graduation year2023
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1043999378
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. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  5. Medicare Care Compare — official Medicare tool to look up clinicians