David K. Scales, M.D.
NPI 1164412029ActiveIndividual· Ophthalmology, Uveitis and Ocular Inflammatory Disease· San Antonio, TX
Ophthalmology, Uveitis and Ocular Inflammatory Disease (M.D.) in San Antonio, Texas, trained at Uniformed Services Uhs Fe Hebert School of Med (class of 1982). In 2024 Medicare paid $666,898 for 247 patients, and Part D covered 274 of their prescriptions, 45% of them generic. Astellas Pharma US Inc was the largest of 3 companies reporting payments in 2025, $231.57 in all, mostly food and beverage.
Overview
| NPI | 1164412029 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Oct 24, 2005 |
| Last updated in NPPES | Apr 6, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology, Uveitis and Ocular Inflammatory Disease Primary | 207WX0108X | K4232 | TX |
| Ophthalmology | 207W00000X | K4232 | TX |
| Ophthalmology, Retina Specialist | 207WX0107X | K4232 | 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 | 247 |
|---|---|
| Services billed | 7,069 across 31 procedure codes |
| Paid by Medicare | $666,898 |
Part D prescriptions in 2024
| Prescriptions (claims) | 274 · 347 30-day fills |
|---|---|
| Patients | 73 |
| Total drug cost | $58,058 |
| Generic share | 45% of claims |
Education and affiliations
| Medical school | Uniformed Services Uhs Fe Hebert School of Med |
|---|---|
| Graduation year | 1982 |
| Medicare specialty | Ophthalmology |
Industry payments (Open Payments)
- 2025$231.57 · 8 payments from 3 companies
- 2024$47.58 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astellas Pharma US Inc | $160.30 | 4 |
| Regeneron Healthcare Solutions, Inc. | $36.13 | 2 |
| Mallinckrodt Hospital Products Inc. | $35.14 | 2 |
What the 2025 payments were for
- Food and Beverage$231.57 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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