Clarence Stephen Denis, OD
NPI 1427822014ActiveIndividual· Optometrist· Chicago, IL
Optometrist (OD) in Chicago, Illinois, trained at Midwestern University College of Dental Medicine, Downers Grove (class of 2023). Part D covered 18 prescriptions written in 2024, 61% of them generic.
Overview
| NPI | 1427822014 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | OD |
| Sole proprietor | Yes |
| NPI issued | Nov 14, 2023 |
| Last updated in NPPES | Sep 30, 2025 |
| Certified by provider | Sep 30, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | 46011839 | IL |
| Optometrist | 152W00000X | 18004459A | IN |
| Optometrist | 152W00000X | OPC6780 | 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 (IL); Practitioner - Optometry (IN); Practitioner - Optometry (WI) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 18 · 18 30-day fills |
|---|---|
| Total drug cost | $3,744 |
| Generic share | 61% of claims |
Education and affiliations
| Medical school | Midwestern University College of Dental Medicine, Downers Grove |
|---|---|
| Graduation year | 2023 |
| Medicare specialty | Optometry |
Medical group
- Charles S Ovitsky PCChicago, IL · 15 clinicians
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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All 848 optometrists in Chicago · All optometrists in Illinois