Sheridan Lam, M.D.
NPI 1689673964ActiveIndividual· Ophthalmology· Lombard, IL
Ophthalmology (M.D.) in Lombard, Illinois, trained at Northwestern University Feinberg Medical School (class of 1984). In 2024 Medicare paid $421,788 for 1,882 patients, and Part D covered 3,323 of their prescriptions, 50% of them generic. Alcon Vision LLC was the largest of 9 companies reporting payments in 2025, $544.36 in all, mostly food and beverage.
Overview
| NPI | 1689673964 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 19, 2005 |
| Last updated in NPPES | May 13, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | 036071526 | 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 | 1,882 |
|---|---|
| Services billed | 5,749 across 20 procedure codes |
| Paid by Medicare | $421,788 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,323 · 5,176 30-day fills |
|---|---|
| Patients | 911 |
| Total drug cost | $320,114 |
| Generic share | 50% of claims |
Education and affiliations
| Medical school | Northwestern University Feinberg Medical School |
|---|---|
| Graduation year | 1984 |
| Medicare specialty | Ophthalmology |
Medical group
- Dupage OphthalmologyLombard, IL · 3 clinicians
Hospital affiliation
- Elmhurst Memorial HospitalElmhurst, IL
Industry payments (Open Payments)
- 2025$544.36 · 23 payments from 9 companies
- 2024$376.69 · 16 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alcon Vision LLC | $130.03 | 6 |
| Bausch & Lomb Americas Inc. | $90.12 | 4 |
| Tarsus Pharmaceuticals, Inc. | $87.32 | 3 |
| Dompe US, Inc. | $74.20 | 3 |
| Harrow Eye, LLC | $47.76 | 2 |
What the 2025 payments were for
- Food and Beverage$544.36 · 23 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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- 1851126270