Paul R. Omastiak, MD
NPI 1821020124ActiveIndividual· Family Medicine· Oak Lawn, IL
Family Medicine (MD) in Oak Lawn, Illinois, trained at Saint Louis University School of Medicine (class of 1981). Their prescriptions cost Medicare Part D more than their services did: $452,350 for 4,204 claims, against $170,915 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 8 companies reporting payments in 2025, $314.18 in all, mostly food and beverage.
Overview
| NPI | 1821020124 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 7, 2006 |
| Last updated in NPPES | Dec 28, 2021 |
| Certified by provider | Dec 28, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 036070593 | IL |
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 - Family Practice (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 255 |
|---|---|
| Services billed | 2,933 across 79 procedure codes |
| Paid by Medicare | $170,915 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,204 · 11,100 30-day fills |
|---|---|
| Patients | 334 |
| Total drug cost | $452,350 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | Saint Louis University School of Medicine |
|---|---|
| Graduation year | 1981 |
| Medicare specialty | Family Practice |
Medical group
- Lawn Medical Center, S.C.Oak Lawn, IL · 11 clinicians
Hospital affiliation
- Advocate Christ Hospital & Medical CenterOak Lawn, IL
Industry payments (Open Payments)
- 2025$314.18 · 15 payments from 8 companies
- 2024$1,382 · 76 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $85.98 | 4 |
| Otsuka America Pharmaceutical, Inc. | $52.24 | 2 |
| Lilly USA, LLC | $42.26 | 2 |
| Abbvie Inc. | $37.33 | 2 |
| Pfizer Inc. | $30.20 | 2 |
What the 2025 payments were for
- Food and Beverage$314.18 · 15 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 86 family medicine physicians in Oak Lawn · All family medicine physicians in Illinois