Landon C. Riggs, MD

Medicare activity in 2024

Official CMS public-use data for Landon C. Riggs, 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. Removal of impacted ear wax (69210)182 services
2. Diagnostic exam of voice box using a flexible endoscope (31575)48 services
3. Diagnostic exam of nasal passages using an endoscope (31231)45 services
4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)39 services
5. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)35 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 cholesterol72%
• High blood pressure64%
• Arthritis42%
• Anxiety26%
• Diabetes25%
• Depression23%

Hospitals where Landon C. Riggs works

Medicare's Facility Affiliation Data lists Landon C. Riggs 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.

• Mercy Health System CorpJanesville, WI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 520066
• University of WI Hospitals & Clinics AuthorityMadison, WI · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 520098

Practice locations

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

• 3524 E Milwaukee StJanesville, WI 53546 (608) 756‑7100
• N2950 State Rd, Suite 67Lake Geneva, WI 53147 (608) 756‑7100

Group practices

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

• Mercy Health System Corporation753 clinicians in the group

Specialties

• Otolaryngologyprimary

Find other Otolaryngology doctors in Wisconsin →

Other ENT doctors in Wisconsin

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

• Eric C. Yang, MD
• Steven L. Lyon, MD
• Robert B. Prehn, MD
• Matthew L. Ubell, MD
• Michelle E. Mark, MD
• Sarvi S. Nalwa, MD
• Ryan V. Puccia, MD
• Larry K. Burton Jr., MD

All ENT doctors in Wisconsin →

Other clinicians in Mercy Health System Corporation

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

• Robert Langenohl, DO
• Christopher M. Tanner, MD
• Dana I. Tarandy, MD
• Darin S. Rutherford, MD
• Tianyu Dong, MD
• Lauren N. Charles, 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