Sebastian Villarreal, MD
NPI 1497930044ActiveIndividual· Anesthesiology, Pain Medicine· Katy, TX
Anesthesiology, Pain Medicine (MD) in Katy, Texas, trained at University of Texas Medical Branch at Galveston (class of 2004). 266 Medicare patients in 2024, $230,518 paid; nearly all of their 3,963 Part D prescriptions were generic (91%). Medtronic, Inc. was the largest of 5 companies reporting payments in 2025, $725.09 in all, mostly food and beverage.
Overview
| NPI | 1497930044 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jan 2, 2008 |
| Last updated in NPPES | Jan 26, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology, Pain Medicine Primary | 207LP2900X | N5462 | 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 - Pain Management (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 266 |
|---|---|
| Services billed | 2,785 across 45 procedure codes |
| Paid by Medicare | $230,518 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,963 · 4,385 30-day fills |
|---|---|
| Patients | 317 |
| Total drug cost | $288,549 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | University of Texas Medical Branch at Galveston |
|---|---|
| Graduation year | 2004 |
| Medicare specialty | Pain Management |
| Secondary specialties | Anesthesiology |
Hospital affiliations
- Houston Methodist West HospitalHouston, TX
- Memorial Hermann Katy HospitalKaty, TX
Industry payments (Open Payments)
- 2025$725.09 · 48 payments from 5 companies
- 2024$1,159 · 63 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $444.16 | 33 |
| Collegium Pharmaceutical, Inc. | $101.76 | 5 |
| Valinor Pharma, LLC | $77.70 | 4 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $75.93 | 4 |
| Spr Therapeutics, Inc | $25.54 | 2 |
What the 2025 payments were for
- Food and Beverage$725.09 · 48 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other pain medicine anesthesiologists in Katy
- 1104137827
- 1669461299
- 1033529672
- 1427411289
- 1457734899
- 1528668209
- 1538433578
- 1598364267
- 1629446885
- 1669837209
- 1760081327
- 1770214124
All 17 pain medicine anesthesiologists in Katy · All pain medicine anesthesiologists in Texas