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Cardiac Electrophysiology

Jeremy J. Zimmermann, DO

Works at hospitals in Oshkosh, WI · Beaver Dam, WI · Ripon, WI … · Wisconsin

Summary

Dr. Jeremy J. Zimmermann, DO is a cardiac electrophysiologist at 420 E Division St, Fond Du Lac, WI 54935. Phone: (920) 923-7400. Accepts Medicare assignment. In 2024, Jeremy J. Zimmermann had 784 Original Medicare patients and 1,754 services. NPI 1962729517. 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 Jeremy J. Zimmermann, 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 Jeremy J. Zimmermann accept Medicare assignment?
Yes. Medicare's clinician data says Jeremy J. Zimmermann 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 Jeremy J. Zimmermann see?
In 2024, CMS data shows 784 Original Medicare patients and 1,754 services for Jeremy J. Zimmermann. This counts Original Medicare only and measures volume, not quality.
What is Jeremy J. Zimmermann's NPI number?
1962729517. 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 Jeremy J. Zimmermann, 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 patients784
Services billed to Medicare1,754
Different services or procedures49
Participating Medicare providerYes
Average age of these patients77

Most frequent services

  1. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)957 services
  2. Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days (93294)183 services
  3. Programming of dual lead pacemaker system (93280)85 services
  4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)81 services
  5. Repair of left upper heart chamber with implant with review by radiologist (33340)65 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 fibrillation58%
  • Ischemic heart disease57%
  • Heart failure46%
  • Chronic kidney disease40%

Hospitals where Jeremy J. Zimmermann works

Medicare's Facility Affiliation Data lists Jeremy J. Zimmermann 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 Jeremy J. Zimmermann is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Jeremy J. Zimmermann as a member of this group (CMS data updated October 2, 2026).

  • Agnesian Healthcare Inc388 clinicians in the group

Specialties

Find other Cardiac Electrophysiology doctors in Wisconsin →

Other cardiac electrophysiologists in Wisconsin

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

All cardiac electrophysiologists in Wisconsin →

Other clinicians in Agnesian Healthcare Inc

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

Clinician information

CredentialDO
Graduation year2010 (16 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1962729517
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