Gawain Dyer, M.D.
NPI 1427286137ActiveIndividual· Ophthalmology· San Antonio, TX
Ophthalmology (M.D.) in San Antonio, Texas, trained at Albert Einstein College of Medicine of Yeshiva University (class of 2007). Their prescriptions cost Medicare Part D more than their services did: $1,308,244 for 1,251 claims, against $438,920 paid for services in 2024. Harrow Eye, LLC was the largest of 9 companies reporting payments in 2025, $930.80 in all, mostly food and beverage.
Overview
| NPI | 1427286137 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 1, 2009 |
| Last updated in NPPES | Aug 9, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | Q2275 | TX |
| Ophthalmology, Retina Specialist | 207WX0107X | Q2275 | 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 | 255 |
|---|---|
| Services billed | 3,898 across 28 procedure codes |
| Paid by Medicare | $438,920 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,251 · 1,836 30-day fills |
|---|---|
| Patients | 379 |
| Total drug cost | $1,308,244 |
| Generic share | 40% of claims |
Education and affiliations
| Medical school | Albert Einstein College of Medicine of Yeshiva University |
|---|---|
| Graduation year | 2007 |
| Medicare specialty | Ophthalmology |
Medical group
- San Antonio Eye Center, PASan Antonio, TX · 34 clinicians
Industry payments (Open Payments)
- 2025$930.80 · 27 payments from 9 companies
- 2024$2,982 · 30 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Harrow Eye, LLC | $225.50 | 4 |
| Ani Pharmaceuticals, Inc. | $214.24 | 5 |
| Abbvie Inc. | $122.32 | 5 |
| Genentech, Inc. | $112.49 | 1 |
| Astellas Pharma US Inc | $104.89 | 5 |
What the 2025 payments were for
- Food and Beverage$930.80 · 27 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 205 ophthalmologists in San Antonio · All ophthalmologists in Texas