Leroy J. Trombetta, MD

Medicare activity in 2024

Official CMS public-use data for Leroy J. Trombetta, 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. Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)37 services
2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)33 services
3. Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)28 services
4. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)15 services
5. Removal of gallbladder with x-ray study of bile ducts using an endoscope (47563)11 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 cholesterol71%
• Arthritis47%
• Chronic kidney disease39%
• Anxiety35%
• Ischemic heart disease31%

Hospitals where Leroy J. Trombetta works

Medicare's Facility Affiliation Data lists Leroy J. Trombetta 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
• Gundersen St Josephs Hospital and ClinicsHillsboro, WI · Critical Access Hospital · Emergency services: listed by Medicare · CCN 521304
• Regional Health Services of Howard CountyCresco, IA · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 161328

Practice locations

Addresses where Leroy J. Trombetta is enrolled with Medicare (CMS data updated October 2, 2026).

• 1122 W Hwy 61Winona, MN 55987 (507) 615‑0600
• 1836 S AveLa Crosse, WI 54601 (608) 783‑7300
• 400 Water AveHillsboro, WI 54634 (608) 489‑8000

Group practices

Medicare enrollment lists Leroy J. Trombetta as a member of these groups (CMS data updated October 2, 2026).

• Gundersen Lutheran Medical Center Inc895 clinicians in the group
• St Josephs Health Services Inc81 clinicians in the group

Specialties

• General Surgeryprimary

Find other General Surgery doctors in Minnesota →

Other general surgeons in Winona

Clinicians with the same Medicare primary specialty in Winona, MN — not a recommendation.

• Melissa K. Johnson, MD
• Brandon T. Grover, DO
• Stephen B. Shapiro, MD
• Travis J. Smith, MD
• Katelyn Mellion, MD
• Matthew Broghammer, MD
• Hope M. Guzzo, MD
• Kathriena Greenwell, MD

All general surgeons in Winona →

Other clinicians in Gundersen Lutheran Medical Center Inc

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

• John M. Reynen, MD
• Daniel P. Wolbrink, MD
• Ashley J. Woychik, CNM
• Ezana M. Azene, MD
• Elisabeth A. Loomis, DO
• Victoria A. Sparks, MD

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