Kenneth Kwan-Hyun Chang, M.D., M.P.H.
NPI 1134236821ActiveIndividual· Ophthalmology· Honolulu, HI
Ophthalmology (M.D., M.P.H.) in Honolulu, Hawaii, trained at University of Hawaii John A. Burns School of Medicine (class of 2002). In 2024 Medicare paid $215,679 for 513 patients, and Part D covered 1,477 of their prescriptions, 62% of them generic. Alcon Vision LLC was the largest of 13 companies reporting payments in 2025, $3,041 in all, mostly food and beverage.
Overview
| NPI | 1134236821 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D., M.P.H. |
| Sole proprietor | No |
| NPI issued | Aug 25, 2006 |
| Last updated in NPPES | Jul 21, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | MD17620 | 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 | 513 |
|---|---|
| Services billed | 4,025 across 52 procedure codes |
| Paid by Medicare | $215,679 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,477 · 2,318 30-day fills |
|---|---|
| Patients | 399 |
| Total drug cost | $282,023 |
| Generic share | 62% of claims |
Education and affiliations
| Medical school | University of Hawaii John A. Burns School of Medicine |
|---|---|
| Graduation year | 2002 |
| Medicare specialty | Ophthalmology |
Medical groups
- Ophthalmology Consultants of Oahu LLCHonolulu, HI · 2 clinicians
- Lin Eye Surgery and Laser Center LLCHonolulu, HI · 2 clinicians
Hospital affiliation
- The Queens Medical CenterHonolulu, HI
Industry payments (Open Payments)
- 2025$3,041 · 50 payments from 13 companies
- 2024$2,615 · 57 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alcon Vision LLC | $1,441 | 11 |
| Bausch & Lomb Americas Inc. | $326.33 | 5 |
| Rxsight Inc | $243.05 | 2 |
| Abbvie Inc. | $206.20 | 10 |
| Mallinckrodt Hospital Products Inc. | $146.01 | 2 |
What the 2025 payments were for
- Food and Beverage$2,203 · 49 payments
- Long term medical supply or device loan$838.09 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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