Quick answers
- Does Robert L. Zoeller accept Medicare assignment?
- Yes. Medicare's clinician data says Robert L. Zoeller 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 Robert L. Zoeller see?
- In 2024, CMS data shows 656 Original Medicare patients and 6,802 services for Robert L. Zoeller. This counts Original Medicare only and measures volume, not quality.
- What is Robert L. Zoeller's NPI number?
- 1235176132. 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 Robert L. Zoeller, 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 | 656 |
|---|---|
| Services billed to Medicare | 6,802 |
| Different services or procedures | 64 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Injection, triamcinolone acetonide, not otherwise specified, 10 mg (J3301)3,460 services
- Injection, dexamethasone sodium phosphate, 1 mg (J1100)950 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)417 services
- Injection of substance into lower spine canal using imaging guidance (62323)308 services
- Needle measurement of electrical activity in arm or leg muscles, complete study (95886)159 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 cholesterol75%
- Arthritis75%
- Ischemic heart disease31%
- Anxiety27%
- Depression24%
Hospitals where Robert L. Zoeller works
Medicare's Facility Affiliation Data lists Robert L. Zoeller 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
- Froedtert Memorial Lutheran HospitalMilwaukee, WI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 520177
- Oconomowoc Memorial HospitalOconomowoc, WI · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 520062
- Waukesha Memorial HospitalWaukesha, WI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 520008
Practice locations
Addresses where Robert L. Zoeller is enrolled with Medicare (CMS data updated October 2, 2026).
- 1231 S Rochester St, Suite 100Mukwonago, WI 53149 (262) 303‑5055
- N15W28300 Golf RdPewaukee, WI 53072 (262) 303‑5055
Group practices
Medicare enrollment lists Robert L. Zoeller as a member of this group (CMS data updated October 2, 2026).
- Orthopaedic Associates of Wisconsin SC109 clinicians in the group
Specialties
Find other Physical Medicine and Rehabilitation doctors in Wisconsin →
Other rehabilitation doctors in Wisconsin
Clinicians with the same Medicare primary specialty in Wisconsin — not a recommendation.
Other clinicians in Orthopaedic Associates of Wisconsin SC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Wisconsin School Of Medicine |
| Graduation year | 1989 (37 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1235176132 |
| 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