Zachary C. April, DO

Medicare activity in 2024

Official CMS public-use data for Zachary C. April, 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.

Most frequent services

1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)195 services
2. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)152 services
3. Outpatient heart rehabilitation with electrocardiogram (ecg) monitoring, quality health care professional services (93798)135 services
4. Outpatient heart rehabilitation, qualified health care professional services (93797)71 services
5. Blood creatinine level (82565)69 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 pressure69%
• High cholesterol69%
• Arthritis46%
• Diabetes33%
• Chronic kidney disease33%
• Ischemic heart disease27%

Hospitals where Zachary C. April works

Medicare's Facility Affiliation Data lists Zachary C. April 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.

• Gundersen Lutheran Medical CenterLa Crosse, WI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 520087

Practice locations

Addresses where Zachary C. April is enrolled with Medicare (CMS data updated October 2, 2026).

• 1111 W Wisconsin StSparta, WI 54656 (608) 269‑6731

Group practices

Medicare enrollment lists Zachary C. April as a member of this group (CMS data updated October 2, 2026).

• Gundersen Clinic Ltd418 clinicians in the group

Specialties

• Family Practiceprimary

Find other Family Practice doctors in Wisconsin →

Other family doctors in Sparta

Clinicians with the same Medicare primary specialty in Sparta, WI — not a recommendation.

• Caitlin C. Hill, MD
• Christina R. Deboer-Collins, DO
• Amy L. Strain, MD
• Gabriel T. Berendes, MD
• Michael A. Kalinosky, MD
• Robert P. Ring, DO
• Donna L. Hoffman, MD
• Chad M. Thurman, MD

All family doctors in Sparta →

Other clinicians in Gundersen Clinic Ltd

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

• Martin Williamson
• Christina R. Deboer-Collins, DO
• Duane K. Undeland, MD
• Kurt A. Swanson, DO
• Carol A. Ogea
• Kerry H. Pischke, PT

Clinician information

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