John Charles Frederick, MD
NPI 1043297492ActiveIndividual· Ophthalmology· Bettendorf, IA
Ophthalmology (MD) in Bettendorf, Iowa, trained at University of Iowa, Rj & L Carver College of Medicine (class of 1993). In 2024 Medicare paid $18,322 for 156 patients, and Part D covered 91 of their prescriptions, 60% of them generic. E.R. Squibb & Sons, L.L.C. reported $121.83 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1043297492 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Dec 28, 2005 |
| Last updated in NPPES | Aug 14, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | 036-098033 | IL |
| Ophthalmology | 207W00000X | 32467 | IA |
| Ophthalmology, Pediatric Ophthalmology and Strabismus Specialist | 207WX0110X | 036-098033 | IL |
| Ophthalmology, Pediatric Ophthalmology and Strabismus Specialist | 207WX0110X | 32467 | IA |
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 - Ophthalmology (IA); Practitioner - Ophthalmology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 156 |
|---|---|
| Services billed | 248 across 16 procedure codes |
| Paid by Medicare | $18,322 |
Part D prescriptions in 2024
| Prescriptions (claims) | 91 · 140 30-day fills |
|---|---|
| Patients | 46 |
| Total drug cost | $11,372 |
| Generic share | 60% of claims |
Education and affiliations
| Medical school | University of Iowa, Rj & L Carver College of Medicine |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | Ophthalmology |
Medical group
- Eye Surgeons Associates PCGeneseo, IL · 20 clinicians
Industry payments (Open Payments)
- 2025$121.83 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| E.R. Squibb & Sons, L.L.C. | $121.83 | 1 |
What the 2025 payments were for
- Food and Beverage$121.83 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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