Nathan William Csonka, O.D.
NPI 1295718179ActiveIndividual· Optometrist· Warminster, PA
Optometrist (O.D.) in Warminster, Pennsylvania, trained at Pennsylvania College of Optometry (class of 2004). In 2024 Medicare paid $68,927 for 449 patients, and Part D covered 504 of their prescriptions, 57% of them generic. Alcon Vision LLC was the largest of 8 companies reporting payments in 2025, $629.82 in all, mostly food and beverage.
Overview
| NPI | 1295718179 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | O.D. |
| Sole proprietor | No |
| NPI issued | Nov 23, 2005 |
| Last updated in NPPES | Jan 4, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | OEG001484 | PA |
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 (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 449 |
|---|---|
| Services billed | 1,231 across 14 procedure codes |
| Paid by Medicare | $68,927 |
Part D prescriptions in 2024
| Prescriptions (claims) | 504 · 640 30-day fills |
|---|---|
| Patients | 142 |
| Total drug cost | $66,994 |
| Generic share | 57% of claims |
Education and affiliations
| Medical school | Pennsylvania College of Optometry |
|---|---|
| Graduation year | 2004 |
| Medicare specialty | Optometry |
Medical group
- Thomas S Phillips Od PCWarminster, PA · 2 clinicians
Industry payments (Open Payments)
- 2025$629.82 · 33 payments from 8 companies
- 2024$484.82 · 26 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alcon Vision LLC | $184.80 | 10 |
| Bausch & Lomb Americas Inc. | $152.52 | 9 |
| Coopervision Inc. | $82.37 | 5 |
| Johnson & Johnson Vision Care, Inc. | $78.52 | 4 |
| Harrow Eye, LLC | $47.16 | 2 |
What the 2025 payments were for
- Food and Beverage$629.82 · 33 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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