Mark Cassol, M.D.
NPI 1023128063ActiveIndividual· Ophthalmology· Louisville, KY
Ophthalmology (M.D.) in Louisville, Kentucky, trained at West Virginia University School of Medicine (class of 2001). In 2024 Medicare paid $141,254 for 389 patients, and Part D covered 193 of their prescriptions, 54% of them generic. Alcon Vision LLC was the largest of 2 companies reporting payments in 2025, $503.35 in all, mostly food and beverage.
Overview
| NPI | 1023128063 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 30, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | 39515 | KY |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Ophthalmology (KY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 389 |
|---|---|
| Services billed | 975 across 22 procedure codes |
| Paid by Medicare | $141,254 |
Part D prescriptions in 2024
| Prescriptions (claims) | 193 · 308 30-day fills |
|---|---|
| Patients | 78 |
| Total drug cost | $14,971 |
| Generic share | 54% of claims |
Education and affiliations
| Medical school | West Virginia University School of Medicine |
|---|---|
| Graduation year | 2001 |
| Medicare specialty | Ophthalmology |
Industry payments (Open Payments)
- 2025$503.35 · 12 payments from 2 companies
- 2024$680.94 · 11 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alcon Vision LLC | $493.83 | 11 |
| Phathom Pharmaceuticals, Inc. | $9.52 | 1 |
What the 2025 payments were for
- Food and Beverage$503.35 · 12 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Ophthalmology providers in Louisville
- 1518179589
- 1649431560
- 1598952293
- 1780047456
- 1659385508
- 1417014705
- 1578595112
- 1457489932
- 1679688915
- 1245091503
- 1588748784
- 1740937960