Omar Calderon Jr., MD

Hospitals where Omar Calderon Jr. works

Medicare's Facility Affiliation Data lists Omar Calderon Jr. 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 Palmer Lutheran Hospital and ClinicsWest Union, IA · Critical Access Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 161316

Practice locations

Addresses where Omar Calderon Jr. is enrolled with Medicare (CMS data updated October 2, 2026).

• 411 Westwood DrWausau, WI 54401

Specialties

• Gastroenterologyprimary

Find other Gastroenterology doctors in Wisconsin →

Other gastroenterologists in Wausau

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

• Justin G. Hartke, MD
• Keaton R. Jones, MD
• Benjamin M. Schneeberger, MD
• Melinda R. Wayde, MD
• Adam C. Godsey, MD
• Raymond L. Hartke, MD
• Eric A. Johnson, MD
• Veronika Gagovic, MD

All gastroenterologists in Wausau →

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. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
5. Medicare Care Compare — official Medicare tool to look up clinicians