John L. Chu, MD
NPI 1548285844ActiveIndividual· Ophthalmology· Aurora, IL
Ophthalmology (MD) in Aurora, Illinois, trained at Harvard Medical School (class of 1994). In 2024 Medicare paid $343,044 for 1,047 patients, and Part D covered 4,879 of their prescriptions, 64% of them generic. Alcon Vision LLC reported $41.03 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1548285844 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 13, 2006 |
| Last updated in NPPES | Nov 22, 2021 |
| Certified by provider | Nov 22, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | 036-097799 | IL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 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 | 1,047 |
|---|---|
| Services billed | 3,318 across 30 procedure codes |
| Paid by Medicare | $343,044 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,879 · 9,595 30-day fills |
|---|---|
| Patients | 844 |
| Total drug cost | $247,406 |
| Generic share | 64% of claims |
Education and affiliations
| Medical school | Harvard Medical School |
|---|---|
| Graduation year | 1994 |
| Medicare specialty | Ophthalmology |
Medical group
- Advocate Health and Hospitals CorporationChicago, IL · 3,118 clinicians
Industry payments (Open Payments)
- 2025$41.03 · 2 payments from 1 company
- 2024$89.25 · 4 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alcon Vision LLC | $41.03 | 2 |
What the 2025 payments were for
- Food and Beverage$41.03 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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