Luis Zeichner Ostrosky, M.D.
NPI 1952301632ActiveIndividual· Internal Medicine, Infectious Disease· Houston, TX
Internal Medicine, Infectious Disease (M.D.) with Ut Physicians, practicing in Houston, Texas. Their prescriptions cost Medicare Part D more than their services did: $399,821 for 173 claims, against $26,292 paid for services in 2024. Gilead Sciences, Inc. was the largest of 6 companies reporting payments in 2025, $52,444 in all, mostly consulting fees. Lists Harris Health and 1 other hospital as hospital affiliations.
Overview
| NPI | 1952301632 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jul 26, 2005 |
| Last updated in NPPES | Nov 15, 2023 |
| Certified by provider | Nov 15, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Infectious Disease Primary | 207RI0200X | L5080 | 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 - Infectious Disease (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 91 |
|---|---|
| Services billed | 249 across 18 procedure codes |
| Paid by Medicare | $26,292 |
Part D prescriptions in 2024
| Prescriptions (claims) | 173 · 222 30-day fills |
|---|---|
| Patients | 48 |
| Total drug cost | $399,821 |
| Generic share | 75% of claims |
Education and affiliations
| Graduation year | 1995 |
|---|---|
| Medicare specialty | Infectious Disease |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Ut PhysiciansHouston, TX · 1,765 clinicians
Hospital affiliations
- Harris HealthHouston, TX
- Memorial Hermann - Texas Medical CenterHouston, TX
Industry payments (Open Payments)
- 2025$52,444 · 36 payments from 6 companies
- 2024$21,306 · 10 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Gilead Sciences, Inc. | $25,255 | 19 |
| Glaxosmithkline, LLC. | $9,930 | 6 |
| Pfizer International LLC | $9,100 | 1 |
| Janssen Research & Development, LLC | $4,583 | 8 |
| Melinta Therapeutics, LLC | $2,000 | 1 |
What the 2025 payments were for
- Consulting Fee$38,002 · 15 payments
- Travel and Lodging$14,027 · 13 payments
- Food and Beverage$414.52 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other infectious disease specialists in Houston
- 1023137494
- 1033445804
- 1053366351
- 1114927290
- 1184122731
- 1205810629
- 1235233651
- 1245239177
- 1245427020
- 1245692649
- 1265442420
- 1265690911
All 198 infectious disease specialists in Houston · All infectious disease specialists in Texas