Quick answers
- Does Aaron D. Yohann accept Medicare assignment?
- Yes. Medicare's clinician data says Aaron D. Yohann 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 Aaron D. Yohann see?
- In 2024, CMS data shows 129 Original Medicare patients and 303 services for Aaron D. Yohann. This counts Original Medicare only and measures volume, not quality.
- What is Aaron D. Yohann's NPI number?
- 1861671208. 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 Aaron D. Yohann, 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 | 129 |
|---|---|
| Services billed to Medicare | 303 |
| Different services or procedures | 13 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)94 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)41 services
- Removal of impacted ear wax (69210)30 services
- Diagnostic exam of nasal passages using an endoscope (31231)25 services
- Exam of the nose and throat using an endoscope (92511)18 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 cholesterol75%
- High blood pressure65%
- Arthritis37%
- Diabetes28%
- Anxiety24%
- Ischemic heart disease22%
Hospitals where Aaron D. Yohann works
Medicare's Facility Affiliation Data lists Aaron D. Yohann 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.
- Edgerton Hospital and Health ServicesEdgerton, WI · Critical Access Hospital · Emergency services: listed by Medicare · CCN 521319
- Marshfield Medical Center - Beaver Dam (MMC-BD)Beaver Dam, WI · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 520076
- Watertown Memorial HospitalWatertown, WI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 520116
Practice locations
Addresses where Aaron D. Yohann is enrolled with Medicare (CMS data updated October 2, 2026).
- 11101 N Sherman RdEdgerton, WI 53534 (608) 884‑3441
- 120 Park Ave, Suite 1Beaver Dam, WI 53916 (920) 885‑5225
- 123 Hospital Dr, Suite 2003Watertown, WI 53098 (920) 885‑5225
Group practices
Medicare enrollment lists Aaron D. Yohann as a member of these groups (CMS data updated October 2, 2026).
- Edgerton Hospital and Health Services, Inc43 clinicians in the group
- Face and Skin LLC4 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Edgerton
Clinicians with the same Medicare primary specialty in Edgerton, WI — not a recommendation.
Other clinicians in Edgerton Hospital and Health Services, Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2007 |
|---|---|
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1861671208 |
| 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