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Cardiovascular Disease (Cardiology)

Naomi A. Overton, MD

Works at hospitals in Charlevoix, MI · Sault Ste Marie, MI · Mount Pleasant, MI … · Michigan

Summary

Dr. Naomi A. Overton, MD is a cardiologist at 1221 S Dr, Mount Pleasant, MI 48858. Phone: (989) 772-6811. Accepts Medicare assignment. In 2024, Naomi A. Overton had 830 Original Medicare patients and 2,404 services. NPI 1831160258. 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 Naomi A. Overton, 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 Naomi A. Overton accept Medicare assignment?
Yes. Medicare's clinician data says Naomi A. Overton 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 Naomi A. Overton see?
In 2024, CMS data shows 830 Original Medicare patients and 2,404 services for Naomi A. Overton. This counts Original Medicare only and measures volume, not quality.
What is Naomi A. Overton's NPI number?
1831160258. 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 Naomi A. Overton, 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 patients830
Services billed to Medicare2,404
Different services or procedures45
Participating Medicare providerYes
Average age of these patients77

Most frequent services

  1. Evaluation of cardiac rhythm monitor system, remote up to 30 days (93298)939 services
  2. Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days (93294)521 services
  3. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)220 services
  4. Electrocardiogram (ecg) up to 30 days continuous with review and report by health care professional (93228)190 services
  5. Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days (93295)127 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%
  • Atrial fibrillation53%
  • Ischemic heart disease51%
  • Arthritis47%
  • Heart failure35%

Hospitals where Naomi A. Overton works

Medicare's Facility Affiliation Data lists Naomi A. Overton 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.

  • Charlevoix Area HospitalCharlevoix, MI · Critical Access Hospital · Emergency services: listed by Medicare · CCN 231322
  • Chippewa County War Memorial HospitalSault Ste Marie, MI · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 230239
  • McLaren Central MichiganMount Pleasant, MI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 230080
  • McLaren Northern MichiganPetoskey, MI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 230105
  • Munson Healthcare Otsego Memorial HospitalGaylord, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: not listed by Medicare · CCN 230133

Practice locations

Addresses where Naomi A. Overton is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 8; the Medicare profile lists all.

Group practices

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

  • McLaren Medical Group213 clinicians in the group
  • McLaren Central Michigan182 clinicians in the group
  • McLaren Northern Michigan62 clinicians in the group

Specialties

Find other Cardiovascular Disease (Cardiology) doctors in Michigan →

Other cardiologists in Michigan

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

All cardiologists in Michigan →

Other clinicians in McLaren Medical Group

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

Clinician information

CredentialMD
Graduation year1995 (31 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1831160258
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