Michael B. Guillory, M.D.
NPI 1912938754ActiveIndividual· Ophthalmology· Longview, TX
Ophthalmology (M.D.) in Longview, Texas, licensed in TX, with an NPI issued in July 2006. Their prescriptions cost Medicare Part D more than their services did: $57,601 for 463 claims, against $33,769 paid for services in 2024. Glaxosmithkline, LLC. reported $17.94 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1912938754 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 6, 2006 |
| Last updated in NPPES | Sep 23, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | F2271 | TX |
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) | Not in the public enrollment file of Oct 1, 2026 |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 367 |
|---|---|
| Services billed | 533 across 15 procedure codes |
| Paid by Medicare | $33,769 |
Part D prescriptions in 2024
| Prescriptions (claims) | 463 · 1,092 30-day fills |
|---|---|
| Patients | 153 |
| Total drug cost | $57,601 |
| Generic share | 54% of claims |
Industry payments (Open Payments)
- 2025$17.94 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $17.94 | 1 |
What the 2025 payments were for
- Food and Beverage$17.94 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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