Mark A. Kornaus, OD
NPI 1215993530ActiveIndividual· Optometrist· Madison, WI
Optometrist (OD) with Dean Health Systems Inc and 1 other group, practicing in Madison, Wisconsin. In 2024 Medicare paid $35,097 for 506 patients, and Part D covered 192 of their prescriptions, 71% of them generic. Johnson & Johnson Vision Care, Inc. was the largest of 4 companies reporting payments in 2025, $456.11 in all, mostly food and beverage.
Overview
| NPI | 1215993530 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | OD |
| Sole proprietor | No |
| NPI issued | Apr 25, 2006 |
| Last updated in NPPES | Dec 3, 2020 |
| Certified by provider | Dec 3, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | 2011-035 | WI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Optometry (AZ); Practitioner - Optometry (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 506 |
|---|---|
| Services billed | 4,567 across 15 procedure codes |
| Paid by Medicare | $35,097 |
Part D prescriptions in 2024
| Prescriptions (claims) | 192 · 316 30-day fills |
|---|---|
| Patients | 91 |
| Total drug cost | $12,131 |
| Generic share | 71% of claims |
Education and affiliations
| Graduation year | 1984 |
|---|---|
| Medicare specialty | Optometry |
Medical groups
- Dean Health Systems IncSun Prairie, WI · 1,159 clinicians
- Southwestern Eye Center LtdCoolidge, AZ · 116 clinicians
Industry payments (Open Payments)
- 2025$456.11 · 4 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Johnson & Johnson Vision Care, Inc. | $121.13 | 1 |
| Amgen Inc. | $121.13 | 1 |
| Alcon Vision LLC | $108.45 | 1 |
| Lkc Technologies, Inc. | $105.40 | 1 |
What the 2025 payments were for
- Food and Beverage$456.11 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 98 optometrists in Madison · All optometrists in Wisconsin