Mark M. Alles, O.D.
NPI 1366535528ActiveIndividual· Optometrist· Joliet, IL
Optometrist (O.D.) in Joliet, Illinois, trained at Illinois College of Optometry at Chicago (class of 1992). In 2024 Medicare paid $36,934 for 398 patients, and Part D covered 79 of their prescriptions, 47% of them generic. Rxsight Inc was the largest of 3 companies reporting payments in 2025, $212.25 in all, mostly food and beverage.
Overview
| NPI | 1366535528 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | O.D. |
| Sole proprietor | No |
| NPI issued | Oct 2, 2006 |
| Last updated in NPPES | Aug 16, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | 046-008527 | 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 - Optometry (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 398 |
|---|---|
| Services billed | 966 across 15 procedure codes |
| Paid by Medicare | $36,934 |
Part D prescriptions in 2024
| Prescriptions (claims) | 79 · 123 30-day fills |
|---|---|
| Patients | 35 |
| Total drug cost | $9,123 |
| Generic share | 47% of claims |
Education and affiliations
| Medical school | Illinois College of Optometry at Chicago |
|---|---|
| Graduation year | 1992 |
| Medicare specialty | Optometry |
Medical groups
- Christina J. Levi O D P C.Orland Park, IL · 65 clinicians
- Eligijus P Lelis MD and Associates, SCJoliet, IL · 6 clinicians
- Insight Family Vision Care,inc.Tinley Park, IL · 2 clinicians
Industry payments (Open Payments)
- 2025$212.25 · 6 payments from 3 companies
- 2024$66.67 · 4 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Rxsight Inc | $124.90 | 1 |
| Bausch & Lomb Americas Inc. | $51.00 | 3 |
| Coopervision Inc. | $36.35 | 2 |
What the 2025 payments were for
- Food and Beverage$212.25 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 38 optometrists in Joliet · All optometrists in Illinois