Nils W. Naviaux, MD

Medicare activity in 2024

Official CMS public-use data for Nils W. Naviaux, 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.

Most frequent services

1. Emergency department visit with high level of medical decision making (99285)354 services
2. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)265 services
3. Emergency department visit with moderate level of medical decision making (99284)122 services
4. Critical care, first 30-74 minutes (99291)89 services
5. Emergency department visit with low level of medical decision making (99283)11 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%
• Arthritis52%
• Ischemic heart disease43%
• Depression38%
• Chronic kidney disease36%

Hospitals where Nils W. Naviaux works

Medicare's Facility Affiliation Data lists Nils W. Naviaux 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.

• PeaceHealth St Joseph Medical CenterBellingham, WA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: not listed by Medicare · CCN 500030
• PeaceHealth United General Medical CenterSedro Woolley, WA · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 501329

Practice locations

Addresses where Nils W. Naviaux is enrolled with Medicare (CMS data updated October 2, 2026).

• 2000 Hospital DrSedro Woolley, WA 98284 (360) 856‑6021

Group practices

Medicare enrollment lists Nils W. Naviaux as a member of this group (CMS data updated October 2, 2026).

• Sound Physicians Emergency Medicine of Washington PLLC21 clinicians in the group

Specialties

• Emergency Medicineprimary

Find other Emergency Medicine doctors in Washington →

Other emergency medicine doctors in Sedro Woolley

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

• Timothy Manzo, DO
• Catherine R. Mank, DO
• Elisha J. Botnick, DO
• Oleg Ravitsky, MD
• Martin Watterson, MD

All emergency medicine doctors in Sedro Woolley →

Other clinicians in Sound Physicians Emergency Medicine of Washington PLLC

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

• Florette G. Sime
• Jennifer R. Kelly, PA
• Catherine R. Mank, DO
• Oleg Ravitsky, MD
• Elisha J. Botnick, DO
• David J. Marshall, DO

Clinician information

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