Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Cardiovascular Disease (Cardiology)

Marshall W. Winner Iii, MD

Works at hospitals in Cincinnati, OH · Oxford, OH · Ohio

Summary

Dr. Marshall W. Winner Iii, MD is a cardiologist at 3219 Clifton Ave, Suite 400, Cincinnati, OH 45220. Phone: (513) 865-9898. Accepts Medicare assignment. In 2024, Marshall W. Winner Iii had 1,394 Original Medicare patients and 5,168 services. NPI 1629190467. 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 Marshall W. Winner Iii, 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 Marshall W. Winner Iii accept Medicare assignment?
Yes. Medicare's clinician data says Marshall W. Winner Iii 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 Marshall W. Winner Iii see?
In 2024, CMS data shows 1,394 Original Medicare patients and 5,168 services for Marshall W. Winner Iii. This counts Original Medicare only and measures volume, not quality.
What is Marshall W. Winner Iii's NPI number?
1629190467. 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 Marshall W. Winner Iii, 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 patients1,394
Services billed to Medicare5,168
Different services or procedures80
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days (93296)746 services
  2. Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days (93294)519 services
  3. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)509 services
  4. Evaluation of cardiac rhythm monitor system, remote up to 30 days (93298)395 services
  5. Evaluation of implantable heart and blood vessel monitoring system, remote up to 30 days (93297)252 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 fibrillation55%
  • Ischemic heart disease48%
  • Arthritis47%
  • Heart failure40%

Hospitals where Marshall W. Winner Iii works

Medicare's Facility Affiliation Data lists Marshall W. Winner Iii 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 Marshall W. Winner Iii is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Marshall W. Winner Iii as a member of this group (CMS data updated October 2, 2026).

  • TriHealth H LLC850 clinicians in the group

Specialties

Find other Cardiovascular Disease (Cardiology) doctors in Ohio →

Other cardiologists in Cincinnati

Clinicians with the same Medicare primary specialty in Cincinnati, OH — not a recommendation.

All cardiologists in Cincinnati →

Other clinicians in TriHealth H LLC

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

Clinician information

CredentialMD
Medical schoolOhio State University College Of Medicine
Graduation year2004 (22 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1629190467
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