William Louis Decker, M.D.
NPI 1568411056ActiveIndividual· Ophthalmology· Houston, TX
Ophthalmology (M.D.) in Houston, Texas, trained at University of Texas Medical Branch at Galveston (class of 1978). In 2024 Medicare paid $1,294,904 for 508 patients, and Part D covered 251 of their prescriptions, 64% of them generic. Harrow Eye, LLC was the largest of 2 companies reporting payments in 2025, $49.95 in all, mostly food and beverage.
Overview
| NPI | 1568411056 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 10, 2006 |
| Last updated in NPPES | Mar 25, 2026 |
| Certified by provider | Mar 25, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | F1499 | TX |
| Ophthalmology, Retina Specialist | 207WX0107X | F1499 | TX |
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 (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 508 |
|---|---|
| Services billed | 15,530 across 38 procedure codes |
| Paid by Medicare | $1,294,904 |
Part D prescriptions in 2024
| Prescriptions (claims) | 251 · 371 30-day fills |
|---|---|
| Patients | 90 |
| Total drug cost | $32,597 |
| Generic share | 64% of claims |
Education and affiliations
| Medical school | University of Texas Medical Branch at Galveston |
|---|---|
| Graduation year | 1978 |
| Medicare specialty | Ophthalmology |
Medical group
- Tei and Associates LLCHouston, TX · 7 clinicians
Industry payments (Open Payments)
- 2025$49.95 · 2 payments from 2 companies
- 2024$110.96 · 5 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Harrow Eye, LLC | $32.95 | 1 |
| Sun Pharmaceutical Industries Inc. | $17.00 | 1 |
What the 2025 payments were for
- Food and Beverage$49.95 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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