Gregory M. Zawada, M.D.
NPI 1891704763ActiveIndividual· Internal Medicine· Sherwood, AR
Internal Medicine (M.D.) in Sherwood, Arkansas, trained at University of Arkansas College of Medicine (class of 2004). 364 Medicare patients in 2024, $231,103 paid; nearly all of their 251 Part D prescriptions were generic (92%). Biomerieux Inc was the largest of 2 companies reporting payments in 2025, $44.85 in all, mostly food and beverage.
Overview
| NPI | 1891704763 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 7, 2006 |
| Last updated in NPPES | Dec 12, 2019 |
| Certified by provider | Dec 12, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | E-4895 | AR |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Infectious Disease (AR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 364 |
|---|---|
| Services billed | 3,084 across 5 procedure codes |
| Paid by Medicare | $231,103 |
Part D prescriptions in 2024
| Prescriptions (claims) | 251 · 258 30-day fills |
|---|---|
| Patients | 110 |
| Total drug cost | $93,530 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | University of Arkansas College of Medicine |
|---|---|
| Graduation year | 2004 |
| Medicare specialty | Infectious Disease |
Hospital affiliations
- Baptist Health Medical Center North Little RockNorth Little Rock, AR
- Baptist Health Medical Center-Little RockLittle Rock, AR
Industry payments (Open Payments)
- 2025$44.85 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Biomerieux Inc | $31.00 | 1 |
| Merck Sharp & Dohme LLC | $13.85 | 1 |
What the 2025 payments were for
- Food and Beverage$44.85 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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