Dianne Barrett
NPI 1669850335ActiveIndividual· Ophthalmology, Retina Specialist· San Antonio, TX
Ophthalmology, Retina Specialist in San Antonio, Texas, trained at Columbia University College of Physicians and Surgeons (class of 2015). Their prescriptions cost Medicare Part D more than their services did: $267,903 for 560 claims, against $166,078 paid for services in 2024. Genentech USA, Inc. was the largest of 6 companies reporting payments in 2025, $640.73 in all, mostly food and beverage.
Overview
| NPI | 1669850335 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | May 13, 2015 |
| Last updated in NPPES | Jul 2, 2021 |
| Certified by provider | Jul 2, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology, Retina Specialist Primary | 207WX0107X | T2116 | TX |
| Ophthalmology | 207W00000X | A161157 | CA |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 166 |
|---|---|
| Services billed | 1,827 across 28 procedure codes |
| Paid by Medicare | $166,078 |
Part D prescriptions in 2024
| Prescriptions (claims) | 560 · 778 30-day fills |
|---|---|
| Patients | 182 |
| Total drug cost | $267,903 |
| Generic share | 41% of claims |
Education and affiliations
| Medical school | Columbia University College of Physicians and Surgeons |
|---|---|
| Graduation year | 2015 |
| Medicare specialty | Ophthalmology |
Medical group
- San Antonio Eye Center, PASan Antonio, TX · 34 clinicians
Industry payments (Open Payments)
- 2025$640.73 · 10 payments from 6 companies
- 2024$356.09 · 14 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genentech USA, Inc. | $179.22 | 3 |
| Astellas Pharma US Inc | $157.64 | 3 |
| Regeneron Healthcare Solutions, Inc. | $124.99 | 1 |
| Genentech, Inc. | $112.49 | 1 |
| Ani Pharmaceuticals, Inc. | $34.65 | 1 |
What the 2025 payments were for
- Food and Beverage$640.73 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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