Nina J. Sera, OD
NPI 1851553549ActiveIndividual· Optometrist· Fond Du Lac, WI
Optometrist (OD) in Fond Du Lac, Wisconsin, trained at Illinois College of Optometry at Chicago (class of 2008). Their prescriptions cost Medicare Part D more than their services did: $52,238 for 1,077 claims, against $32,207 paid for services in 2024. Bausch & Lomb Americas Inc. was the largest of 2 companies reporting payments in 2025, $250.95 in all, mostly food and beverage.
Overview
| NPI | 1851553549 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | OD |
| Sole proprietor | No |
| NPI issued | Jun 25, 2008 |
| Last updated in NPPES | Oct 21, 2020 |
| Certified by provider | Oct 21, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | 3135 | 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 | 244 |
|---|---|
| Services billed | 1,862 across 17 procedure codes |
| Paid by Medicare | $32,207 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,077 · 2,074 30-day fills |
|---|---|
| Patients | 181 |
| Total drug cost | $52,238 |
| Generic share | 76% of claims |
Education and affiliations
| Medical school | Illinois College of Optometry at Chicago |
|---|---|
| Graduation year | 2008 |
| Medicare specialty | Optometry |
Medical group
- Agnesian Healthcare IncWaupun, WI · 388 clinicians
Industry payments (Open Payments)
- 2025$250.95 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Bausch & Lomb Americas Inc. | $125.96 | 1 |
| Dompe US, Inc. | $124.99 | 1 |
What the 2025 payments were for
- Food and Beverage$250.95 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 22 optometrists in Fond Du Lac · All optometrists in Wisconsin