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Family Practice

Elizabeth A. Mussin, MD

Works at hospitals in Mount Pleasant, MI · Alma, MI · Alpena, MI … · Michigan

Summary

Dr. Elizabeth A. Mussin, MD is a family doctor at 1221 S Dr, Mount Pleasant, MI 48858. Phone: (517) 975-6475. Accepts Medicare assignment. In 2024, Elizabeth A. Mussin had 241 Original Medicare patients and 314 services. NPI 1578677498. 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 Elizabeth A. Mussin, 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 Elizabeth A. Mussin accept Medicare assignment?
Yes. Medicare's clinician data says Elizabeth A. Mussin 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 Elizabeth A. Mussin see?
In 2024, CMS data shows 241 Original Medicare patients and 314 services for Elizabeth A. Mussin. This counts Original Medicare only and measures volume, not quality.
What is Elizabeth A. Mussin's NPI number?
1578677498. 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 Elizabeth A. Mussin, 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 patients241
Services billed to Medicare314
Different services or procedures20
Participating Medicare providerYes
Average age of these patients71

Most frequent services

  1. Emergency department visit with high level of medical decision making (99285)132 services
  2. Emergency department visit with moderate level of medical decision making (99284)110 services
  3. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)20 services
  4. Critical care, first 30-74 minutes (99291)18 services
  5. Emergency department visit with low level of medical decision making (99283)12 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%
  • Anxiety44%
  • Depression41%
  • Diabetes40%

Hospitals where Elizabeth A. Mussin works

Medicare's Facility Affiliation Data lists Elizabeth A. Mussin 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.

  • McLaren Central MichiganMount Pleasant, MI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 230080
  • MyMichigan Medical Center AlmaAlma, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 230030
  • MyMichigan Medical Center AlpenaAlpena, MI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 230036
  • MyMichigan Medical Center ClareClare, MI · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: not listed by Medicare · CCN 230180
  • MyMichigan Medical Center West BranchWest Branch, MI · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 230095

Practice locations

Addresses where Elizabeth A. Mussin is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 7; the Medicare profile lists all.

Group practices

Medicare enrollment lists Elizabeth A. Mussin as a member of these groups (CMS data updated October 2, 2026).

  • McLaren Hospital Group375 clinicians in the group
  • McLaren Medical Group213 clinicians in the group
  • MyMichigan Medical Center Alma145 clinicians in the group
  • MyMichigan Medical Center Clare131 clinicians in the group
  • MyMichigan Medical Center Alpena91 clinicians in the group
  • MyMichigan Medical Center West Branch76 clinicians in the group

Specialties

Find other Family Practice doctors in Michigan →

Other family doctors in Mount Pleasant

Clinicians with the same Medicare primary specialty in Mount Pleasant, MI — not a recommendation.

All family doctors in Mount Pleasant →

Other clinicians in McLaren Hospital Group

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

Clinician information

CredentialMD
Medical schoolMichigan State University College Of Osteopathic Medicine
Graduation year1996 (30 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1578677498
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