Zhuangjun Si, MD
NPI 1932605672ActiveIndividual· Ophthalmology, Glaucoma Specialist· Wheaton, IL
Ophthalmology, Glaucoma Specialist (MD) in Wheaton, Illinois, trained at State University of New York at Buffalo School of Medicine (class of 2018). In 2024 Medicare paid $179,462 for 465 patients, and Part D covered 2,156 of their prescriptions, 56% of them generic. New World Medical,inc. was the largest of 3 companies reporting payments in 2025, $460.82 in all, mostly food and beverage.
Overview
| NPI | 1932605672 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 2, 2018 |
| Last updated in NPPES | Aug 27, 2024 |
| Certified by provider | Aug 27, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology, Glaucoma Specialist Primary | 207WX0009X | 036.163377 | IL |
| Ophthalmology | 207W00000X | 036.163377 | 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 | 465 |
|---|---|
| Services billed | 1,955 across 28 procedure codes |
| Paid by Medicare | $179,462 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,156 · 3,705 30-day fills |
|---|---|
| Patients | 607 |
| Total drug cost | $163,434 |
| Generic share | 56% of claims |
Education and affiliations
| Medical school | State University of New York at Buffalo School of Medicine |
|---|---|
| Graduation year | 2018 |
| Medicare specialty | Ophthalmology |
Medical group
- Wheaton Eye Clinic LtdWheaton, IL · 44 clinicians
Industry payments (Open Payments)
- 2025$460.82 · 7 payments from 3 companies
- 2024$1,363 · 24 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| New World Medical,inc. | $303.99 | 5 |
| Sight Sciences, Inc. | $138.97 | 1 |
| Abbvie Inc. | $17.86 | 1 |
What the 2025 payments were for
- Food and Beverage$460.82 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Ophthalmology, Glaucoma Specialist providers in Wheaton
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All Ophthalmology, Glaucoma Specialist providers in Illinois →