Katherine Yueh-Mei Ly, O.D.
NPI 1659412377ActiveIndividual· Optometrist· Silver Spring, MD
Opted out of Medicare from July 2026 to July 2028. Optometrist (O.D.) in Silver Spring, Maryland, trained at New England College of Optometry (class of 2001). Medicare paid $12,840 for services to 114 patients in 2024. Alcon Vision LLC was the largest of 3 companies reporting payments in 2025, $1,490 in all, mostly travel and lodging.
Overview
| NPI | 1659412377 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | O.D. |
| Sole proprietor | Yes |
| NPI issued | Feb 8, 2007 |
| Last updated in NPPES | Feb 20, 2009 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | TA1736 | MD |
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) | Not in the public enrollment file of Oct 1, 2026 |
|---|---|
| Opt-out | Opted out Jul 15, 2026 – Jul 15, 2028 |
| Can order and refer | No |
| Accepts assignment | Yes (participating) |
During an opt-out period the provider sees Medicare patients only under private contracts, and Medicare does not pay claims for their services.
Medicare services in 2024
| Medicare patients | 114 |
|---|---|
| Services billed | 140 across 2 procedure codes |
| Paid by Medicare | $12,840 |
Education and affiliations
| Medical school | New England College of Optometry |
|---|---|
| Graduation year | 2001 |
| Medicare specialty | Optometry |
Industry payments (Open Payments)
- 2025$1,490 · 8 payments from 3 companies
- 2024$135.90 · 3 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alcon Vision LLC | $1,270 | 5 |
| Johnson & Johnson Vision Care, Inc. | $123.01 | 2 |
| Bausch & Lomb Americas Inc. | $97.02 | 1 |
What the 2025 payments were for
- Travel and Lodging$835.54 · 3 payments
- Food and Beverage$654.29 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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