Thomas Y. Chandler, MD
NPI 1720053085ActiveIndividual· Ophthalmology· Austin, TX
Ophthalmology (MD) in Austin, Texas, trained at University of Texas Medical School at Houston (class of 1981). In 2024 Medicare paid $157,580 for 713 patients, and Part D covered 1,147 of their prescriptions, 58% of them generic. Amgen Inc. reported $39.25 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1720053085 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Feb 21, 2006 |
| Last updated in NPPES | Jan 26, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | F9290 | 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 | 713 |
|---|---|
| Services billed | 1,518 across 42 procedure codes |
| Paid by Medicare | $157,580 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,147 · 2,157 30-day fills |
|---|---|
| Patients | 301 |
| Total drug cost | $135,782 |
| Generic share | 58% of claims |
Education and affiliations
| Medical school | University of Texas Medical School at Houston |
|---|---|
| Graduation year | 1981 |
| Medicare specialty | Ophthalmology |
| Secondary specialties | Internal Medicine |
Medical group
- The Austin Diagnostic Clinic PLLCCedar Park, TX · 86 clinicians
Industry payments (Open Payments)
- 2025$39.25 · 2 payments from 1 company
- 2024$36.41 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $39.25 | 2 |
What the 2025 payments were for
- Food and Beverage$39.25 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 145 ophthalmologists in Austin · All ophthalmologists in Texas