Charles A. Nassauer, O.D.
NPI 1275677783ActiveIndividual· Optometrist· Slidell, LA
Optometrist (O.D.) in Slidell, Louisiana, trained at Southern College of Optometry (class of 1982). Their prescriptions cost Medicare Part D more than their services did: $5,451 for 117 claims, against $3,632 paid for services in 2024. Optos, Inc. was the largest of 3 companies reporting payments in 2025, $236.57 in all, mostly entertainment.
Overview
| NPI | 1275677783 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | O.D. |
| Sole proprietor | Yes |
| NPI issued | Feb 16, 2007 |
| Last updated in NPPES | Jul 12, 2022 |
| Certified by provider | Jul 12, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | 919183T | LA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Optometry (LA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 44 |
|---|---|
| Services billed | 52 across 9 procedure codes |
| Paid by Medicare | $3,632 |
Part D prescriptions in 2024
| Prescriptions (claims) | 117 · 158 30-day fills |
|---|---|
| Patients | 51 |
| Total drug cost | $5,451 |
| Generic share | 44% of claims |
Education and affiliations
| Medical school | Southern College of Optometry |
|---|---|
| Graduation year | 1982 |
| Medicare specialty | Optometry |
Medical group
- Artis Beatty A Professional Optometry CorporationBoutte, LA · 12 clinicians
Industry payments (Open Payments)
- 2025$236.57 · 6 payments from 3 companies
- 2024$327.59 · 7 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Optos, Inc. | $156.00 | 2 |
| Johnson & Johnson Vision Care, Inc. | $47.94 | 2 |
| Alcon Vision LLC | $32.63 | 2 |
What the 2025 payments were for
- Entertainment$156.00 · 2 payments
- Food and Beverage$80.57 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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