Margaret Janina Slowik, OD
NPI 1124222591ActiveIndividual· Optometrist· La Grange, IL
Optometrist (OD) in La Grange, Illinois, trained at Illinois College of Optometry at Chicago (class of 1994). Mostly services rather than prescriptions: Medicare paid $6,078 for 62 patients in 2024, with only 16 Part D claims. Amgen Inc. was the largest of 5 companies reporting payments in 2025, $598.53 in all, mostly food and beverage.
Overview
| NPI | 1124222591 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | OD |
| Sole proprietor | No |
| NPI issued | Jun 12, 2007 |
| Last updated in NPPES | Jan 25, 2024 |
| Certified by provider | Jan 25, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | 046008760 | 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 - Optometry (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 62 |
|---|---|
| Services billed | 68 across 6 procedure codes |
| Paid by Medicare | $6,078 |
Part D prescriptions in 2024
| Prescriptions (claims) | 16 · 16 30-day fills |
|---|---|
| Total drug cost | $328.69 |
Education and affiliations
| Medical school | Illinois College of Optometry at Chicago |
|---|---|
| Graduation year | 1994 |
| Medicare specialty | Optometry |
Medical group
- Rosin Optical Co IncBerwyn, IL · 51 clinicians
Industry payments (Open Payments)
- 2025$598.53 · 8 payments from 5 companies
- 2024$553.29 · 18 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $149.24 | 1 |
| Sight Sciences, Inc. | $148.01 | 1 |
| Coopervision Inc. | $123.19 | 2 |
| Johnson & Johnson Vision Care, Inc. | $108.85 | 1 |
| Bausch & Lomb Americas Inc. | $69.24 | 3 |
What the 2025 payments were for
- Food and Beverage$598.53 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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