John E. Witkowski, O.D.
NPI 1821037409ActiveIndividual· Optometrist· Naples, FL
Optometrist (O.D.) in Naples, Florida, trained at Southern College of Optometry (class of 1985). Mostly services rather than prescriptions: Medicare paid $8,110 for 112 patients in 2024, with only 24 Part D claims.
Overview
| NPI | 1821037409 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | O.D. |
| Sole proprietor | Yes |
| NPI issued | Jun 6, 2006 |
| Last updated in NPPES | Mar 1, 2021 |
| Certified by provider | Mar 1, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | OPC002142 | FL |
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 (FL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 112 |
|---|---|
| Services billed | 113 across 2 procedure codes |
| Paid by Medicare | $8,110 |
Part D prescriptions in 2024
| Prescriptions (claims) | 24 · 24 30-day fills |
|---|---|
| Patients | 21 |
| Total drug cost | $1,291 |
| Generic share | 83% of claims |
Education and affiliations
| Medical school | Southern College of Optometry |
|---|---|
| Graduation year | 1985 |
| Medicare specialty | Optometry |
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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