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General Surgery

Joseph B. Lillegard, MD

Sees patients in Marshfield, WI · Wisconsin

Summary

Dr. Joseph B. Lillegard, MD is a general surgeon at 1000 N Oak Ave, Marshfield, WI 54449. May accept Medicare assignment. NPI 1346453644. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: General surgeon (Medicare lists General Surgery)
  • Address: 1000 N Oak Ave, Marshfield, WI 54449 · Directions
  • Medicare: May accept Medicare assignment
  • Medical school: graduated 2006 (20 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Joseph B. Lillegard, 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 Joseph B. Lillegard accept Medicare assignment?
Medicare's clinician data says Joseph B. Lillegard may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
What is Joseph B. Lillegard's NPI number?
1346453644. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Joseph B. Lillegard is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other General Surgery doctors in Wisconsin →

Other general surgeons in Marshfield

Clinicians with the same Medicare primary specialty in Marshfield, WI — not a recommendation.

All general surgeons in Marshfield →

Clinician information

CredentialMD
Graduation year2006 (20 years since medical school)
Gender (as listed)Male
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1346453644
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. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians