Mark Chung
Optometrist · West Hollywood, CANPI 1841316833
Payments from drug & device makers
Across 216 payments — averaging $80.73 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Alcon$6K
- Coopervision Inc.$4K
- Glaukos Corporation$3K
- Johnson & Johnson Vision Care, Inc.$2K
- Bausch & Lomb, A Division Of Bausch Health US, LLC$1K
- ABB Con-cise Optical Group LLC$672
- plus $506 from 4 others
What the payments were for
- Food & beverage$17,385100%
- Entertainment$530%
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 |
|---|---|---|
| Alcon | 62 | $5,649 |
| Coopervision Inc. | 61 | $4,417 |
| Glaukos Corporation | 21 | $2,632 |
| Johnson & Johnson Vision Care, Inc. | 35 | $2,348 |
| Bausch & Lomb, A Division Of Bausch Health US, LLC | 11 | $1,216 |
| ABB Con-cise Optical Group LLC | 17 | $672 |
| AbbVie(2 entities) | 6 | $230 |
| Amgen | 1 | $125 |
| Staar Surgical Company | 1 | $98 |
| Optos, Inc. | 1 | $53 |
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.
- Precision 1$1,904
- MyDay Contact Lens$1,731
- DAILIES TOTAL1$1,521
- KXL System$899
- BIOTRUE ONE DAY$726
- DAILIES$679
- KXL1B-CE-marked KXLsystem$425
- Acuvue$382
- Photrexa Viscous and Photrexa$362
- BTOD$287
- CE-marked KXLA system$174
- BIOTRUE$126
- ULTRA$126
- TEPEZZA$125
- VUITY$125
- TOTAL30$122
How this compares
$17,438 in reported general payments places this provider in the 95th percentile of 6,778 optometrist providers in California.
Other optometrist in West Hollywood
- Danielle RichardsonWest Hollywood$151K
- Meng LinBerkeley$6.9M
- Steve YoelinNewport Beach$6.1M
- Matthew GellerSpring Valley$3.5M
- David Kasanoffla Mesa$1M
- Colton HeinrichFullerton$987K
- Elsa PaoOakland$910K
- Keith WanSan Diego$887K
- Selena ChanSan Francisco$677K
- Melissa EricksonDavis$522K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.