Joseph M. Zasik, DO
NPI 1255380028ActiveIndividual· Internal Medicine, Critical Care Medicine· Tyler, TX
Internal Medicine, Critical Care Medicine (DO) in Tyler, Texas, trained at Philadelphia College of Osteopathic Medicine (class of 1977). Their prescriptions cost Medicare Part D more than their services did: $3,012,751 for 5,981 claims, against $95,608 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 2 companies reporting payments in 2025, $38.06 in all, mostly food and beverage.
Overview
| NPI | 1255380028 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | May 9, 2006 |
| Last updated in NPPES | Feb 3, 2023 |
| Certified by provider | Feb 3, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Critical Care Medicine Primary | 207RC0200X | G4072 | TX |
| Internal Medicine, Pulmonary Disease | 207RP1001X | OS004057L | PA |
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 - Critical Care (Intensivists) (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 630 |
|---|---|
| Services billed | 1,719 across 23 procedure codes |
| Paid by Medicare | $95,608 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,981 · 8,254 30-day fills |
|---|---|
| Patients | 879 |
| Total drug cost | $3,012,751 |
| Generic share | 48% of claims |
Education and affiliations
| Medical school | Philadelphia College of Osteopathic Medicine |
|---|---|
| Graduation year | 1977 |
| Medicare specialty | Critical Care (Intensivists) |
| Secondary specialties | Pulmonary Disease |
Medical group
- Christus Trinity Clinic TexasTyler, TX · 1,540 clinicians
Hospital affiliations
- Christus Mother Frances HospitalTyler, TX
- Christus Mother Frances Hospital Sulphur SpringsSulphur Springs, TX
Other facilities
- Paradigm HomecareHome health agency · Tyler, TX
Industry payments (Open Payments)
- 2025$38.06 · 2 payments from 2 companies
- 2024$525.89 · 37 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $22.43 | 1 |
| Glaxosmithkline, LLC. | $15.63 | 1 |
What the 2025 payments were for
- Food and Beverage$38.06 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 17 critical care physicians in Tyler · All critical care physicians in Texas