Duncan Aesctun Friedman, M.D.
NPI 1457512725ActiveIndividual· Ophthalmology, Retina Specialist· San Antonio, TX
Ophthalmology, Retina Specialist (M.D.) in San Antonio, Texas, trained at Louisiana State University School of Medicine in New Orleans (class of 2007). In 2024 Medicare paid $743,696 for 620 patients, and Part D covered 828 of their prescriptions, 74% of them generic. Genentech USA, Inc. was the largest of 11 companies reporting payments in 2025, $1,974 in all, mostly food and beverage.
Overview
| NPI | 1457512725 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 19, 2008 |
| Last updated in NPPES | May 1, 2026 |
| Certified by provider | May 1, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology, Retina Specialist Primary | 207WX0107X | P5275 | TX |
| Ophthalmology | 207W00000X | P5275 | 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) | Enrolled Practitioner - Ophthalmology (AL); Practitioner - Ophthalmology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 620 |
|---|---|
| Services billed | 9,531 across 48 procedure codes |
| Paid by Medicare | $743,696 |
Part D prescriptions in 2024
| Prescriptions (claims) | 828 · 1,707 30-day fills |
|---|---|
| Patients | 256 |
| Total drug cost | $91,542 |
| Generic share | 74% of claims |
Education and affiliations
| Medical school | Louisiana State University School of Medicine in New Orleans |
|---|---|
| Graduation year | 2007 |
| Medicare specialty | Ophthalmology |
Hospital affiliation
- Baptist Medical CenterSan Antonio, TX
Industry payments (Open Payments)
- 2025$1,974 · 35 payments from 11 companies
- 2024$1,415 · 28 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genentech USA, Inc. | $350.91 | 5 |
| Biotissue Holdings Inc. | $293.27 | 2 |
| Alcon Vision LLC | $263.24 | 2 |
| Harrow Eye, LLC | $224.25 | 5 |
| Regeneron Healthcare Solutions, Inc. | $218.11 | 5 |
What the 2025 payments were for
- Food and Beverage$1,974 · 35 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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