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Vascular Surgery

Zachary Osborne, MD

Works at hospitals in Bloomer, WI · Eau Claire, WI · La Crosse, WI … · Wisconsin

Summary

Dr. Zachary Osborne, MD is a vascular surgeon at 1400 Bellinger St, Eau Claire, WI 54703. Phone: (715) 838-5222. Accepts Medicare assignment. In 2024, Zachary Osborne had 1,056 Original Medicare patients and 2,147 services. NPI 1548581408. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Zachary Osborne, 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 Zachary Osborne accept Medicare assignment?
Yes. Medicare's clinician data says Zachary Osborne 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 Zachary Osborne see?
In 2024, CMS data shows 1,056 Original Medicare patients and 2,147 services for Zachary Osborne. This counts Original Medicare only and measures volume, not quality.
What is Zachary Osborne's NPI number?
1548581408. 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 Zachary Osborne, 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 patients1,056
Services billed to Medicare2,147
Different services or procedures108
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Ultrasound study of arm or leg veins with compression and maneuvers (93970)277 services
  2. Ultrasound study of arm and leg arteries (93922)269 services
  3. Ultrasound of both sides of head and neck blood flow (93880)197 services
  4. Ultrasound study of one arm or leg veins with compression and maneuvers (93971)191 services
  5. Ultrasound of leg arteries or artery grafts (93925)175 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 cholesterol75%
  • Arthritis53%
  • Ischemic heart disease53%
  • Chronic kidney disease43%
  • Diabetes42%

Hospitals where Zachary Osborne works

Medicare's Facility Affiliation Data lists Zachary Osborne 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 Zachary Osborne is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Zachary Osborne as a member of these groups (CMS data updated October 2, 2026).

  • Mayo Clinic Health System-Northwest Wisconsin Region Inc802 clinicians in the group
  • Mayo Clinic Health System-Southwest Wisconsin Region Inc534 clinicians in the group

Specialties

Find other Vascular Surgery doctors in Wisconsin →

Other vascular surgeons in Wisconsin

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

All vascular surgeons in Wisconsin →

Other clinicians in Mayo Clinic Health System-Northwest Wisconsin Region Inc

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

Clinician information

CredentialMD
Graduation year2009 (17 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1548581408
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