Yiyun Zhou
NPI 1326501537ActiveIndividual· Ophthalmology· Columbia, MD
Ophthalmology with Kaiser Foundation Health Plan of the Mid Atlantic States, Inc, practicing in Columbia, Maryland. In 2024 Medicare paid $192,695 for 647 patients, and Part D covered 735 of their prescriptions, 62% of them generic. Bausch & Lomb Americas Inc. was the largest of 5 companies reporting payments in 2025, $161.06 in all, mostly food and beverage.
Overview
| NPI | 1326501537 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Apr 13, 2019 |
| Last updated in NPPES | Sep 5, 2024 |
| Certified by provider | Sep 5, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | D0096660 | MD |
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 (DC); Practitioner - Ophthalmology (MD); Practitioner - Ophthalmology (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 647 |
|---|---|
| Services billed | 1,881 across 27 procedure codes |
| Paid by Medicare | $192,695 |
Part D prescriptions in 2024
| Prescriptions (claims) | 735 · 1,054 30-day fills |
|---|---|
| Patients | 279 |
| Total drug cost | $97,310 |
| Generic share | 62% of claims |
Education and affiliations
| Graduation year | 2019 |
|---|---|
| Medicare specialty | Ophthalmology |
Medical group
- Kaiser Foundation Health Plan of the Mid Atlantic States, IncLargo, MD · 1,899 clinicians
Industry payments (Open Payments)
- 2025$161.06 · 6 payments from 5 companies
- 2024$174.78 · 7 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Bausch & Lomb Americas Inc. | $46.47 | 2 |
| Dompe US, Inc. | $32.68 | 1 |
| Tarsus Pharmaceuticals, Inc. | $32.28 | 1 |
| Sun Pharmaceutical Industries Inc. | $30.42 | 1 |
| Alcon Vision LLC | $19.21 | 1 |
What the 2025 payments were for
- Food and Beverage$161.06 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 27 ophthalmologists in Columbia · All ophthalmologists in Maryland