Cortney D. Birschbach, OD
NPI 1376105700ActiveIndividual· Optometrist· Fond Du Lac, WI
Optometrist (OD) in Fond Du Lac, Wisconsin, trained at Illinois College of Optometry at Chicago (class of 2019). In 2024 Medicare paid $8,661 for 82 patients, and Part D covered 124 of their prescriptions, 71% of them generic. Coopervision Inc. was the largest of 9 companies reporting payments in 2025, $312.21 in all, mostly food and beverage.
Overview
| NPI | 1376105700 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | OD |
| Sole proprietor | No |
| NPI issued | Jul 6, 2019 |
| Last updated in NPPES | Apr 17, 2020 |
| Certified by provider | Apr 17, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | 3576-35 | WI |
| Optometrist, Corneal and Contact Management | 152WC0802X | 3576-35 | WI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 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 | 82 |
|---|---|
| Services billed | 1,865 across 13 procedure codes |
| Paid by Medicare | $8,661 |
Part D prescriptions in 2024
| Prescriptions (claims) | 124 · 246 30-day fills |
|---|---|
| Patients | 44 |
| Total drug cost | $6,015 |
| Generic share | 71% of claims |
Education and affiliations
| Medical school | Illinois College of Optometry at Chicago |
|---|---|
| Graduation year | 2019 |
| Medicare specialty | Optometry |
Medical group
- Aeg Wisconsin Professional LtdHudson, WI · 16 clinicians
Industry payments (Open Payments)
- 2025$312.21 · 17 payments from 9 companies
- 2024$271.89 · 15 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Coopervision Inc. | $81.46 | 5 |
| Bausch & Lomb Americas Inc. | $66.52 | 4 |
| Alcon Vision LLC | $35.42 | 2 |
| Thea Pharma Inc. | $26.80 | 1 |
| Oyster Point Pharma, Inc. | $26.50 | 1 |
What the 2025 payments were for
- Food and Beverage$312.21 · 17 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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