John Peter Czaja, O.D.
NPI 1679883912ActiveIndividual· Optometrist· Merrillville, IN
Optometrist (O.D.) in Merrillville, Indiana, trained at Indiana University - School of Optometry (class of 1997). In 2024 Medicare paid $2,367 for 31 patients, and Part D covered 91 of their prescriptions, 53% of them generic. Johnson & Johnson Vision Care, Inc. reported $33,720 in payments in 2025, mostly speaking and faculty fees.
Overview
| NPI | 1679883912 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | O.D. |
| Sole proprietor | Yes |
| NPI issued | Oct 20, 2010 |
| Last updated in NPPES | Oct 20, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | 18002875A | IN |
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 (IN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 31 |
|---|---|
| Services billed | 64 across 10 procedure codes |
| Paid by Medicare | $2,367 |
Part D prescriptions in 2024
| Prescriptions (claims) | 91 · 114 30-day fills |
|---|---|
| Patients | 39 |
| Total drug cost | $2,413 |
| Generic share | 53% of claims |
Education and affiliations
| Medical school | Indiana University - School of Optometry |
|---|---|
| Graduation year | 1997 |
| Medicare specialty | Optometry |
Medical group
- Aeg Indiana Professional PCPlymouth, IN · 31 clinicians
Industry payments (Open Payments)
- 2025$33,720 · 97 payments from 1 company
- 2024$15,930 · 58 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Johnson & Johnson Vision Care, Inc. | $33,720 | 97 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$23,650 · 10 payments
- Travel and Lodging$6,499 · 44 payments
- Consulting Fee$2,200 · 1 payment
- Food and Beverage$1,372 · 42 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 44 optometrists in Merrillville · All optometrists in Indiana