Henry I. Zaleski Jr., M.D.
NPI 1043275118ActiveIndividual· Specialist· Houston, TX
Specialist (M.D.) in Houston, Texas, trained at Baylor College of Medicine (class of 1970). Their prescriptions cost Medicare Part D more than their services did: $100,903 for 800 claims, against $21,919 paid for services in 2024. Sobi, Inc was the largest of 7 companies reporting payments in 2025, $368.90 in all, mostly food and beverage.
Overview
| NPI | 1043275118 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Apr 20, 2006 |
| Last updated in NPPES | Oct 24, 2024 |
| Certified by provider | Oct 24, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Specialist Primary | 174400000X | D7377 | 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 - Internal Medicine (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 50 |
|---|---|
| Services billed | 258 across 6 procedure codes |
| Paid by Medicare | $21,919 |
Part D prescriptions in 2024
| Prescriptions (claims) | 800 · 1,407 30-day fills |
|---|---|
| Patients | 70 |
| Total drug cost | $100,903 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | Baylor College of Medicine |
|---|---|
| Graduation year | 1970 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Hematology/Oncology |
Hospital affiliation
- Houston Methodist HospitalHouston, TX
Industry payments (Open Payments)
- 2025$368.90 · 13 payments from 7 companies
- 2024$688.94 · 28 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sobi, Inc | $130.53 | 4 |
| Alexion Pharmaceuticals, Inc. | $72.76 | 3 |
| Astrazeneca Pharmaceuticals LP | $54.01 | 2 |
| Tempus Ai, Inc | $29.67 | 1 |
| Merck Sharp & Dohme LLC | $28.47 | 1 |
What the 2025 payments were for
- Food and Beverage$368.90 · 13 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 677 Specialist providers in Houston · All Specialist providers in Texas