Jason Chang
Physical Medicine & Rehabilitation · Honolulu, HINPI 1891988408
Payments from drug & device makers
What this record shows
Almost everything reported here is food and beverage — 100.0% of the total across 104 separate payments, which is the pattern of a clinician who attends manufacturer presentations rather than one with a consulting arrangement. 30 manufacturers reported payments, led by AbbVie at 40.7% of the total. Reporting peaked in 2022 at $607 and has fallen 68.3% since, to $193 in 2024.
Across 104 payments — averaging $23.07 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- AbbVie$977
- Neurelis, Inc.$167
- Merz North America, Inc.$125
- Salix Pharmaceuticals, A Division Of Bausch Health US, LLC$118
- SK Life Science, Inc.$116
- Eisai Inc.$106
- plus $790 from 24 others
What the payments were for
- Food & beverage$2,399100%
Most of this is food and beverage — typically meals provided during product presentations at a clinic or hospital. Nationally that is the single largest category of reported payments by count.
General payments by program year
Who reported the general payments
Companies are grouped under their corporate parent — a single manufacturer often files under several CMS reporting entities. Research and ownership payments are counted separately and are not in this table.
| Company | Payments | Total |
|---|---|---|
| AbbVie(2 entities) | 47 | $977 |
| Neurelis, Inc. | 9 | $167 |
| Merz North America, Inc. | 3 | $125 |
| Salix Pharmaceuticals, A Division Of Bausch Health US, LLC | 1 | $118 |
| SK Life Science, Inc. | 5 | $116 |
| Eisai Inc. | 6 | $106 |
| Lundbeck LLC | 4 | $88 |
| Livanova USA, Inc. | 3 | $81 |
| Ipsen Biopharmaceuticals, Inc | 2 | $50 |
| Amneal Pharmaceuticals LLC | 2 | $46 |
| Teva Pharmaceuticals USA, Inc. | 2 | $45 |
| Sanofi | 1 | $45 |
| Medtronic | 1 | $45 |
| Merz Pharmaceuticals, LLC | 2 | $40 |
| Amgen | 1 | $34 |
| Mallinckrodt Hospital Products Inc. | 1 | $29 |
| Upsher-smith Laboratories LLC | 1 | $28 |
| Grifols USA, LLC | 1 | $27 |
| Mallinckrodt Enterprises LLC | 1 | $24 |
| CSL Behring | 1 | $23 |
| Alnylam Pharmaceuticals Inc. | 1 | $23 |
| Biogen | 1 | $23 |
| Cala Health, Inc. | 1 | $22 |
| Nevro Corp. | 1 | $21 |
| Neurocrine Biosciences, Inc. | 1 | $20 |
| Avanir Pharmaceuticals, Inc. | 1 | $19 |
| Catalyst Pharmaceuticals, Inc. | 1 | $18 |
| AstraZeneca | 1 | $16 |
| Biohaven Pharmaceuticals, Inc. | 1 | $13 |
| SPR Therapeutics, Inc | 1 | $11 |
What the payments were tied to
Products named in the reported payments. Only payments of $100 or more are attributed here — the typical reported payment nationally is a meal worth about $16, and listing those product-by-product would be noise.
- RELISTOR$118
How this compares
$2,399 in reported general payments places this provider in the 85th percentile of 32 physical medicine & rehabilitation providers in Hawaii.
See all physical medicine & rehabilitation providers in Hawaii →
Other physical medicine & rehabilitation in Honolulu
- Michael YamazakiHonolulu$15K
- Anthony LeungHonolulu$6K
- Bruce KatsuraHonolulu$4K
- Kaipo PauHonolulu$2K
- Linda RowanHonolulu$1K
- Jayson TakataHonolulu$1K
- Andrew MontemayorHonolulu$597
- Kiran VadadaHonolulu$416
- Jordan WangHonolulu$414
- Ryan NomuraHonolulu$356
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.