Quick answers
- Does Peter A. Garza Jr. accept Medicare assignment?
- Yes. Medicare's clinician data says Peter A. Garza Jr. 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 Peter A. Garza Jr. see?
- In 2024, CMS data shows 192 Original Medicare patients and 443 services for Peter A. Garza Jr.. This counts Original Medicare only and measures volume, not quality.
- What is Peter A. Garza Jr.'s NPI number?
- 1942228598. 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 Peter A. Garza Jr., 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 patients | 192 |
|---|---|
| Services billed to Medicare | 443 |
| Different services or procedures | 71 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)126 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)50 services
- Critical care, first 30-74 minutes (99291)32 services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)26 services
- New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more (99202)24 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 pressure74%
- High cholesterol73%
- Arthritis58%
- Diabetes33%
- Depression32%
- Chronic kidney disease32%
Hospitals where Peter A. Garza Jr. works
Medicare's Facility Affiliation Data lists Peter A. Garza 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.
- Aurora Medical Center - SummitSummit, WI · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 520206
- Aurora St Lukes Medical CenterMilwaukee, WI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 520138
Practice locations
Addresses where Peter A. Garza Jr. is enrolled with Medicare (CMS data updated October 2, 2026).
- 1020 N 12th StMilwaukee, WI 53233 (414) 219‑3056
- 248 McHenry StBurlington, WI 53105 (262) 767‑8000
- 252 McHenry StBurlington, WI 53105 (262) 767‑7000
- 36500 Aurora DrSummit, WI 53066 (262) 434‑5000
- W3985 County Rd NnElkhorn, WI 53121 (262) 741‑2000
Group practices
Medicare enrollment lists Peter A. Garza Jr. as a member of this group (CMS data updated October 2, 2026).
- Aurora Medical Group, Inc.3,813 clinicians in the group
Specialties
- General Surgeryprimary
Other general surgeons in Milwaukee
Clinicians with the same Medicare primary specialty in Milwaukee, WI — not a recommendation.
Other clinicians in Aurora Medical Group, Inc.
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Texas Medical School At San Antonio |
| Graduation year | 1998 (28 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1942228598 |
| Corrections | Report 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians