Quick answers
- Does Carl J. Viviano accept Medicare assignment?
- Yes. Medicare's clinician data says Carl J. Viviano 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 Carl J. Viviano see?
- In 2024, CMS data shows 47 Original Medicare patients and 98 services for Carl J. Viviano. This counts Original Medicare only and measures volume, not quality.
- What is Carl J. Viviano's NPI number?
- 1811925829. 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 Carl J. Viviano, 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 | 47 |
|---|---|
| Services billed to Medicare | 98 |
| Different services or procedures | 22 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Diagnostic exam of bladder and urethra using an endoscope (52000)20 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 pressure74%
- Ischemic heart disease40%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)36%
- Diabetes34%
- Arthritis30%
Hospitals where Carl J. Viviano works
Medicare's Facility Affiliation Data lists Carl J. Viviano 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 Rhinelander HospitalRhinelander, WI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 520019
- Aspirus Stevens Point Hospital & Clinics, Inc.Stevens Point, WI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 520002
- Aspirus Wausau HospitalWausau, WI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 520030
Practice locations
Addresses where Carl J. Viviano is enrolled with Medicare (CMS data updated October 2, 2026).
- 3300 Westhill DrWausau, WI 54401 (715) 847‑2605
- 824 Illinois AveStevens Point, WI 54481 (715) 344‑1600
Group practices
Medicare enrollment lists Carl J. Viviano as a member of these groups (CMS data updated October 2, 2026).
- Aspirus Rhinelander and Tomahawk Hospitals and Clinics, Inc.574 clinicians in the group
- Aspirus Medical Group, Inc.268 clinicians in the group
Specialties
- Urologyprimary
Other urologists in Wausau
Clinicians with the same Medicare primary specialty in Wausau, WI — not a recommendation.
Other clinicians in Aspirus Rhinelander and Tomahawk Hospitals and Clinics, Inc.
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Wayne State University School Of Medicine |
| Graduation year | 1991 (35 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) | 1811925829 |
| 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