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Family Practice

Margaret M. Karcher, DO

Sees patients in Mishawaka, IN · Indiana

Summary

Dr. Margaret M. Karcher, DO is a family doctor at 420 W 4th St, Mishawaka, IN 46544. Accepts Medicare assignment. NPI 1730616327. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Family doctor (Medicare lists Family Practice)
  • Address: 420 W 4th St, Mishawaka, IN 46544 · Directions
  • Medicare: Accepts Medicare assignment
  • Group practice: Healthlinc Inc
  • Medical school: Lake Erie College Of Osteopathic Medicine, Erie · graduated 2017 (9 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Margaret M. Karcher, 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 Margaret M. Karcher accept Medicare assignment?
Yes. Medicare's clinician data says Margaret M. Karcher 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 Margaret M. Karcher's NPI number?
1730616327. 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 Margaret M. Karcher is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

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

  • Healthlinc Inc84 clinicians in the group

Specialties

Find other Family Practice doctors in Indiana →

Other family doctors in Mishawaka

Clinicians with the same Medicare primary specialty in Mishawaka, IN — not a recommendation.

All family doctors in Mishawaka →

Other clinicians in Healthlinc Inc

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

Clinician information

CredentialDO
Medical schoolLake Erie College Of Osteopathic Medicine, Erie
Graduation year2017 (9 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1730616327
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