Luis Casaubon, M.D.
NPI 1447225495ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Austin, TX
Internal Medicine, Endocrinology, Diabetes & Metabolism (M.D.) in Austin, Texas, trained at University of Texas Medical Branch at Galveston (class of 2000). Their prescriptions cost Medicare Part D more than their services did: $1,211,558 for 4,170 claims, against $126,035 paid for services in 2024. Medtronic, Inc. was the largest of 9 companies reporting payments in 2025, $588.22 in all, mostly food and beverage.
Overview
| NPI | 1447225495 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Feb 22, 2006 |
| Last updated in NPPES | Jan 6, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | M0369 | 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 - Endocrinology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 819 |
|---|---|
| Services billed | 22,035 across 15 procedure codes |
| Paid by Medicare | $126,035 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,170 · 10,229 30-day fills |
|---|---|
| Patients | 845 |
| Total drug cost | $1,211,558 |
| Generic share | 58% of claims |
Education and affiliations
| Medical school | University of Texas Medical Branch at Galveston |
|---|---|
| Graduation year | 2000 |
| Medicare specialty | Endocrinology |
| Telehealth | Offers telehealth |
Medical group
- Texas Diabetes and Endocrinology, P.A.Round Rock, TX · 26 clinicians
Hospital affiliations
- Ascension Seton Highland LakesBurnet, TX
- North Austin Medical CenterAustin, TX
Industry payments (Open Payments)
- 2025$588.22 · 24 payments from 9 companies
- 2024$436.66 · 18 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $275.59 | 8 |
| Amgen Inc. | $140.39 | 9 |
| Novo Nordisk Inc | $37.45 | 1 |
| Lilly USA, LLC | $31.96 | 1 |
| Sanofi-Aventis U.S. LLC | $24.96 | 1 |
What the 2025 payments were for
- Food and Beverage$545.74 · 20 payments
- Education$30.06 · 3 payments
- Travel and Lodging$12.42 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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