Quick answers
- Does Kevin P. Wienkers accept Medicare assignment?
- Yes. Medicare's clinician data says Kevin P. Wienkers 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 Kevin P. Wienkers see?
- In 2024, CMS data shows 541 Original Medicare patients and 1,725 services for Kevin P. Wienkers. This counts Original Medicare only and measures volume, not quality.
- What is Kevin P. Wienkers's NPI number?
- 1144241852. 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 Kevin P. Wienkers, 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 | 541 |
|---|---|
| Services billed to Medicare | 1,725 |
| Different services or procedures | 25 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Measurement of corneal curvature and depth of eye (92136)592 services
- Removal of cataract with insertion of prosthetic lens (66984)358 services
- New patient complete exam of visual system (92004)193 services
- Removal of recurring cataract in lens capsule using a laser (66821)137 services
- Established patient complete exam of visual system (92014)120 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 pressure70%
- Arthritis47%
- Diabetes23%
- Ischemic heart disease22%
- Chronic kidney disease20%
Practice locations
Addresses where Kevin P. Wienkers is enrolled with Medicare (CMS data updated October 2, 2026).
- 2253 W Mason StGreen Bay, WI 54307 (920) 327‑7000
- 30 N 18th Ave Bldg, Suite 6Sturgeon Bay, WI 54235 (920) 743‑2001
Group practices
Medicare enrollment lists Kevin P. Wienkers as a member of this group (CMS data updated October 2, 2026).
- BayCare Clinic LLP200 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Green Bay
Clinicians with the same Medicare primary specialty in Green Bay, WI — not a recommendation.
Other clinicians in BayCare Clinic LLP
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 | 1981 (45 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1144241852 |
| 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
- 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