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Emergency Medicine

Paul M. Guernsey, DO

Works at hospitals in Ellensburg, WA · Yakima, WA · Washington

Summary

Dr. Paul M. Guernsey, DO is an emergency medicine doctor at 2811 Tieton Dr, Yakima, WA 98902. Phone: (509) 575-8000. Accepts Medicare assignment. In 2024, Paul M. Guernsey had 505 Original Medicare patients and 793 services. NPI 1235543836. 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: Emergency medicine doctor (Medicare lists Emergency Medicine)
  • Address: 2811 Tieton Dr, Yakima, WA 98902 · Directions
  • Phone: (509) 575‑8000
  • Medicare: Accepts Medicare assignment
  • Hospitals: Kittitas Valley Community Hospital, Yakima Valley Memorial
  • Group practice: Yakima Valley Memorial Physicians
  • Medical school: At Still University Of Health Sciences, College Of Osteo Med, Kirksville · graduated 2014 (12 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Paul M. Guernsey, 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 Paul M. Guernsey accept Medicare assignment?
Yes. Medicare's clinician data says Paul M. Guernsey 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 Paul M. Guernsey see?
In 2024, CMS data shows 505 Original Medicare patients and 793 services for Paul M. Guernsey. This counts Original Medicare only and measures volume, not quality.
What is Paul M. Guernsey's NPI number?
1235543836. 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 Paul M. Guernsey, 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 patients505
Services billed to Medicare793
Different services or procedures25
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)231 services
  2. Emergency department visit with moderate level of medical decision making (99284)217 services
  3. Emergency department visit with high level of medical decision making (99285)212 services
  4. Critical care, first 30-74 minutes (99291)67 services
  5. Emergency department visit with low level of medical decision making (99283)30 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 cholesterol71%
  • Arthritis41%
  • Diabetes35%
  • Heart failure32%
  • Atrial fibrillation32%

Hospitals where Paul M. Guernsey works

Medicare's Facility Affiliation Data lists Paul M. Guernsey 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.

  • Kittitas Valley Community HospitalEllensburg, WA · Critical Access Hospital · Emergency services: listed by Medicare · CCN 501333
  • Yakima Valley MemorialYakima, WA · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: not listed by Medicare · CCN 500036

Practice locations

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

Group practices

Medicare enrollment lists Paul M. Guernsey as a member of this group (CMS data updated October 2, 2026).

  • Yakima Valley Memorial Physicians391 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Washington →

Other emergency medicine doctors in Yakima

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

All emergency medicine doctors in Yakima →

Other clinicians in Yakima Valley Memorial Physicians

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

Clinician information

CredentialDO
Medical schoolAt Still University Of Health Sciences, College Of Osteo Med, Kirksville
Graduation year2014 (12 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1235543836
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