Quick answers
- Does Ahsley J. Wirtz accept Medicare assignment?
- Yes. Medicare's clinician data says Ahsley J. Wirtz 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 Ahsley J. Wirtz see?
- In 2024, CMS data shows 206 Original Medicare patients and 2,273 services for Ahsley J. Wirtz. This counts Original Medicare only and measures volume, not quality.
- What is Ahsley J. Wirtz's NPI number?
- 1598104911. 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 Ahsley J. Wirtz, 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 | 206 |
|---|---|
| Services billed to Medicare | 2,273 |
| Different services or procedures | 72 |
| Participating Medicare provider | Yes |
| Average age of these patients | 71 |
Most frequent services
- Insertion of needle into vein for collection of blood sample (36415)295 services
- Blood test, comprehensive group of blood chemicals (80053)196 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)141 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)127 services
- Complete blood cell count (red cells, white blood cell, platelets), automated test (85027)115 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 cholesterol71%
- High blood pressure61%
- Arthritis34%
- Anxiety25%
- Diabetes23%
- Depression19%
Hospitals where Ahsley J. Wirtz works
Medicare's Facility Affiliation Data lists Ahsley J. Wirtz 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.
- Aspirus Merrill HospitalMerrill, WI · Critical Access Hospital · Emergency services: listed by Medicare · CCN 521339
- Aspirus Rhinelander HospitalRhinelander, WI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 520019
- Aspirus Wausau HospitalWausau, WI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 520030
Practice locations
Addresses where Ahsley J. Wirtz is enrolled with Medicare (CMS data updated October 2, 2026).
- 1881 County Rd XxKronenwetter, WI 54455 (715) 355‑4040
- 333 Pine Ridge BlvdWausau, WI 54401 (715) 847‑0477
- 4005 Community Ctr DrWeston, WI 54476
- 425 Wind Ridge DrWausau, WI 54401 (715) 675‑3391
Group practices
Medicare enrollment lists Ahsley J. Wirtz as a member of these groups (CMS data updated October 2, 2026).
- Aspirus Medical Group, Inc.268 clinicians in the group
- Aspirus Wausau Hospital Inc237 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Wisconsin
Clinicians with the same Medicare primary specialty in Wisconsin — not a recommendation.
Other clinicians in Aspirus Medical Group, Inc.
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2013 (13 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1598104911 |
| 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