Grant Thomas Slagle, DO
NPI 1891371316ActiveIndividual· Ophthalmology· Chattanooga, TN
Ophthalmology (DO) with Wk Pierremont Eye Institute, practicing in Chattanooga, Tennessee. Enrolled in Medicare as practitioner - ophthalmology and practitioner - ophthalmology. Glaukos Corporation was the largest of 7 companies reporting payments in 2025, $976.24 in all, mostly food and beverage. Lists Willis Knighton Medical Center as a hospital affiliation.
Overview
| NPI | 1891371316 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Mar 23, 2021 |
| Last updated in NPPES | Sep 30, 2026 |
| Certified by provider | Sep 30, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | 6982 | TN |
| Ophthalmology | 207W00000X | 346421 | LA |
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 (LA); Practitioner - Ophthalmology (TN) |
|---|
Education and affiliations
| Graduation year | 2020 |
|---|---|
| Medicare specialty | Ophthalmology |
Medical group
- Wk Pierremont Eye InstituteShreveport, LA · 12 clinicians
Hospital affiliation
- Willis Knighton Medical CenterShreveport, LA
Industry payments (Open Payments)
- 2025$976.24 · 13 payments from 7 companies
- 2024$279.62 · 4 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaukos Corporation | $505.41 | 4 |
| Biotissue Holdings Inc. | $219.65 | 2 |
| Amgen Inc. | $140.42 | 2 |
| Alcon Vision LLC | $44.67 | 2 |
| Oyster Point Pharma, Inc. | $25.45 | 1 |
What the 2025 payments were for
- Food and Beverage$976.24 · 13 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 44 ophthalmologists in Chattanooga · All ophthalmologists in Tennessee