Richard D. Zak, MD
NPI 1467422451ActiveIndividual· Ophthalmology· Aurora, IL
Ophthalmology (MD) in Aurora, Illinois, trained at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) (class of 1983). In 2024 Medicare paid $746,999 for 296 patients, and Part D covered 169 of their prescriptions, 62% of them generic. Regeneron Healthcare Solutions, Inc. was the largest of 5 companies reporting payments in 2025, $359.97 in all, mostly food and beverage.
Overview
| NPI | 1467422451 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 24, 2006 |
| Last updated in NPPES | Feb 28, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | — | IL |
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 - Ophthalmology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 296 |
|---|---|
| Services billed | 5,363 across 33 procedure codes |
| Paid by Medicare | $746,999 |
Part D prescriptions in 2024
| Prescriptions (claims) | 169 · 320 30-day fills |
|---|---|
| Patients | 57 |
| Total drug cost | $21,977 |
| Generic share | 62% of claims |
Education and affiliations
| Medical school | University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) |
|---|---|
| Graduation year | 1983 |
| Medicare specialty | Ophthalmology |
Medical group
- Aurora Eye Clinic LtdAurora, IL · 8 clinicians
Hospital affiliation
- Copley Memorial HospitalAurora, IL
Industry payments (Open Payments)
- 2025$359.97 · 11 payments from 5 companies
- 2024$481.43 · 11 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Regeneron Healthcare Solutions, Inc. | $110.34 | 3 |
| Astellas Pharma US Inc | $98.25 | 3 |
| Alcon Vision LLC | $93.97 | 3 |
| Tarsus Pharmaceuticals, Inc. | $33.05 | 1 |
| Dompe US, Inc. | $24.36 | 1 |
What the 2025 payments were for
- Food and Beverage$359.97 · 11 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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