William C. Stewart, M.D.
NPI 1497740161ActiveIndividual· Ophthalmology· Houston, TX
Ophthalmology (M.D.) with Hea Clinic PA, practicing in Houston, Texas. In 2024 Medicare paid $133,701 for 242 patients, and Part D covered 344 of their prescriptions, 81% of them generic. Alcon Vision LLC reported $299.01 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1497740161 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Sep 19, 2005 |
| Last updated in NPPES | Oct 28, 2026 |
| Certified by provider | Oct 28, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | L2015 | 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 (TN); Practitioner - Ophthalmology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 242 |
|---|---|
| Services billed | 769 across 12 procedure codes |
| Paid by Medicare | $133,701 |
Part D prescriptions in 2024
| Prescriptions (claims) | 344 · 422 30-day fills |
|---|---|
| Patients | 221 |
| Total drug cost | $27,572 |
| Generic share | 81% of claims |
Education and affiliations
| Graduation year | 1992 |
|---|---|
| Medicare specialty | Ophthalmology |
Medical group
- Hea Clinic PAShenandoah, TX · 42 clinicians
Industry payments (Open Payments)
- 2025$299.01 · 5 payments from 1 company
- 2024$130.23 · 5 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alcon Vision LLC | $299.01 | 5 |
What the 2025 payments were for
- Food and Beverage$299.01 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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