David K. May, OD
NPI 1801849633ActiveIndividual· Optometrist, Corneal and Contact Management· Waunakee, WI
Optometrist, Corneal and Contact Management (OD) in Waunakee, Wisconsin, trained at Illinois College of Optometry at Chicago (class of 1996). In 2024 Medicare paid $38,182 for 363 patients, and Part D covered 220 of their prescriptions, 46% of them generic. Alcon Vision LLC was the largest of 4 companies reporting payments in 2025, $708.55 in all, mostly food and beverage.
Overview
| NPI | 1801849633 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | OD |
| Sole proprietor | No |
| NPI issued | May 19, 2006 |
| Last updated in NPPES | Aug 30, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist, Corneal and Contact Management Primary | 152WC0802X | 2674-035 | WI |
| Optometrist | 152W00000X | 2674-035 | WI |
| Optometrist, Pediatrics | 152WP0200X | 2674-035 | WI |
| Optometrist, Occupational Vision | 152WX0102X | 2674-035 | WI |
| Optometrist | 152W00000X | 2674-35 | 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 (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 363 |
|---|---|
| Services billed | 3,688 across 21 procedure codes |
| Paid by Medicare | $38,182 |
Part D prescriptions in 2024
| Prescriptions (claims) | 220 · 428 30-day fills |
|---|---|
| Patients | 46 |
| Total drug cost | $19,676 |
| Generic share | 46% of claims |
Education and affiliations
| Medical school | Illinois College of Optometry at Chicago |
|---|---|
| Graduation year | 1996 |
| Medicare specialty | Optometry |
Medical group
- May Vision Center LLCWaunakee, WI · 4 clinicians
Industry payments (Open Payments)
- 2025$708.55 · 12 payments from 4 companies
- 2024$934.10 · 13 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alcon Vision LLC | $429.36 | 7 |
| Bausch & Lomb Americas Inc. | $223.68 | 2 |
| Lkc Technologies, Inc. | $36.17 | 2 |
| Coopervision Inc. | $19.34 | 1 |
What the 2025 payments were for
- Food and Beverage$708.55 · 12 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records