William Parker Marks Jr., M.D.
NPI 1356337448ActiveIndividual· Ophthalmology· Canton, GA
Ophthalmology (M.D.) in Canton, Georgia, licensed in GA, with an NPI issued in September 2005. Enrolled in Medicare as practitioner - ophthalmology. Glaukos Corporation was the largest of 3 companies reporting payments in 2025, $459.90 in all, mostly food and beverage.
Overview
| NPI | 1356337448 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Sep 23, 2005 |
| Last updated in NPPES | Jul 14, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | 030829 | GA |
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 (GA) |
|---|
Industry payments (Open Payments)
- 2025$459.90 · 3 payments from 3 companies
- 2024$295.45 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaukos Corporation | $186.57 | 1 |
| Genentech USA, Inc. | $150.00 | 1 |
| Johnson & Johnson Surgical Vision, Inc. | $123.33 | 1 |
What the 2025 payments were for
- Food and Beverage$459.90 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Ophthalmology providers in Canton
- 1932322302
- 1538309240
- 1942511050
- 1316009616
- 1629227319
- 1033513981
- 1295354025
- 1326420183
- 1417923657
- 1184616047