Margaret K. L. Cheung, M.D.
NPI 1336217637ActiveIndividual· Ophthalmology· Honolulu, HI
Ophthalmology (M.D.) in Honolulu, Hawaii, trained at Tulane University School of Medicine (class of 1988). Their prescriptions cost Medicare Part D more than their services did: $751,107 for 2,936 claims, against $94,493 paid for services in 2024. Alcon Vision LLC was the largest of 15 companies reporting payments in 2025, $2,622 in all, mostly food and beverage.
Overview
| NPI | 1336217637 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Dec 4, 2006 |
| Last updated in NPPES | Apr 27, 2020 |
| Certified by provider | Apr 27, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | MD 8888 | HI |
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 (HI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 229 |
|---|---|
| Services billed | 1,365 across 31 procedure codes |
| Paid by Medicare | $94,493 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,936 · 4,485 30-day fills |
|---|---|
| Patients | 638 |
| Total drug cost | $751,107 |
| Generic share | 68% of claims |
Education and affiliations
| Medical school | Tulane University School of Medicine |
|---|---|
| Graduation year | 1988 |
| Medicare specialty | Ophthalmology |
Hospital affiliation
- The Queens Medical CenterHonolulu, HI
Industry payments (Open Payments)
- 2025$2,622 · 42 payments from 15 companies
- 2024$3,814 · 51 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alcon Vision LLC | $782.47 | 10 |
| Dompe US, Inc. | $339.83 | 6 |
| Mallinckrodt Hospital Products Inc. | $275.74 | 4 |
| Amgen Inc. | $267.66 | 6 |
| Tarsus Pharmaceuticals, Inc. | $193.17 | 4 |
What the 2025 payments were for
- Food and Beverage$2,622 · 42 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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