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Diagnostic Radiology

Michael S. Zinsmeister, MD

Works at hospitals in Byron, GA · Macon, GA · Milledgeville, GA … · Georgia

Summary

Dr. Michael S. Zinsmeister, MD is a radiologist at 1000 Cowles Clinic Way, Pine Building, Greensboro, GA 30642. Phone: (706) 454-2660. Accepts Medicare assignment. In 2024, Michael S. Zinsmeister had 1,680 Original Medicare patients and 2,441 services. NPI 1811987704. 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 Michael S. Zinsmeister, 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 Michael S. Zinsmeister accept Medicare assignment?
Yes. Medicare's clinician data says Michael S. Zinsmeister 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 Michael S. Zinsmeister see?
In 2024, CMS data shows 1,680 Original Medicare patients and 2,441 services for Michael S. Zinsmeister. This counts Original Medicare only and measures volume, not quality.
What is Michael S. Zinsmeister's NPI number?
1811987704. 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 Michael S. Zinsmeister, 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 patients1,680
Services billed to Medicare2,441
Different services or procedures120
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. X-ray of chest, 1 view (71045)537 services
  2. X-ray of chest, 2 views (71046)184 services
  3. Screening 3d breast mammography (77063)144 services
  4. Screening mammography (77067)143 services
  5. Ct scan head or brain without contrast (70450)126 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%
  • Arthritis55%
  • Chronic kidney disease49%
  • Diabetes46%
  • Ischemic heart disease46%

Hospitals where Michael S. Zinsmeister works

Medicare's Facility Affiliation Data lists Michael S. Zinsmeister 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 Michael S. Zinsmeister is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 9; the Medicare profile lists all.

Group practices

Medicare enrollment lists Michael S. Zinsmeister as a member of these groups (CMS data updated October 2, 2026).

  • Radiology Associates of Macon PC64 clinicians in the group
  • Central Georgia Mri LLC45 clinicians in the group
  • Georgia Magnetic Imaging Center Ltd36 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in Georgia →

Other radiologists in Greensboro

Clinicians with the same Medicare primary specialty in Greensboro, GA — not a recommendation.

All radiologists in Greensboro →

Other clinicians in Radiology Associates of Macon PC

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

Clinician information

CredentialMD
Medical schoolUniversity Of South Florida College Of Medicine
Graduation year1992 (34 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1811987704
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