Osvaldo I. Lopez, M.D.
NPI 1346296415ActiveIndividual· Ophthalmology· Chicago, IL
Ophthalmology (M.D.) in Chicago, Illinois, trained at Northwestern University Feinberg Medical School (class of 1970). In 2024 Medicare paid $171,573 for 411 patients, and Part D covered 2,307 of their prescriptions, 44% of them generic. Abbvie Inc. was the largest of 10 companies reporting payments in 2025, $1,416 in all, mostly food and beverage.
Overview
| NPI | 1346296415 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 26, 2006 |
| Last updated in NPPES | Dec 19, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | 036044342 | 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 - Ophthalmology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 411 |
|---|---|
| Services billed | 1,366 across 36 procedure codes |
| Paid by Medicare | $171,573 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,307 · 3,699 30-day fills |
|---|---|
| Patients | 533 |
| Total drug cost | $229,244 |
| Generic share | 44% of claims |
Education and affiliations
| Medical school | Northwestern University Feinberg Medical School |
|---|---|
| Graduation year | 1970 |
| Medicare specialty | Ophthalmology |
Medical groups
- Illinois College of OptometryChicago, IL · 76 clinicians
- Thorek Memorial HospitalChicago, IL · 50 clinicians
- Ocular Partners PLLCHomewood, IL · 20 clinicians
Hospital affiliations
- Advocate Illinois Masonic Medical CenterChicago, IL
- Thorek Memorial HospitalChicago, IL
Industry payments (Open Payments)
- 2025$1,416 · 75 payments from 10 companies
- 2024$1,437 · 68 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $550.65 | 34 |
| Biotissue Holdings Inc. | $223.71 | 13 |
| Mallinckrodt Hospital Products Inc. | $222.36 | 9 |
| Alcon Vision LLC | $153.70 | 7 |
| Glaukos Corporation | $74.00 | 3 |
What the 2025 payments were for
- Food and Beverage$1,416 · 75 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 375 ophthalmologists in Chicago · All ophthalmologists in Illinois