Pamella Chang
Optometrist · Riverside, CANPI 1912492745
Payments from drug & device makers
Across 133 payments — averaging $57.37 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Bausch & Lomb Americas Inc.$2K
- Alcon$980
- Coopervision Inc.$842
- Aerie Pharmaceuticals, Inc.$790
- AbbVie$766
- Optos, Inc.$459
- plus $2K from 12 others
What the payments were for
- Travel & lodging$3384%
- Food & beverage$6,93491%
- Entertainment$3585%
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 |
|---|---|---|
| Bausch & Lomb Americas Inc. | 41 | $2,014 |
| Alcon | 20 | $980 |
| Coopervision Inc. | 9 | $842 |
| Aerie Pharmaceuticals, Inc. | 23 | $790 |
| AbbVie(2 entities) | 14 | $766 |
| Optos, Inc. | 3 | $459 |
| Oyster Point Pharma, Inc. | 3 | $375 |
| Tarsus Pharmaceuticals, Inc. | 4 | $299 |
| Sight Sciences, Inc. | 2 | $273 |
| Sun Pharmaceutical Industries Inc. | 2 | $250 |
| Dompe US, Inc. | 2 | $149 |
| Johnson & Johnson Vision Care, Inc. | 1 | $148 |
| Amgen | 1 | $125 |
| Bausch & Lomb, A Division Of Bausch Health US, LLC | 2 | $46 |
| Shire North American Group Inc | 2 | $40 |
| Novartis | 2 | $35 |
| Glaukos Corporation | 1 | $23 |
| Johnson & Johnson Surgical Vision, Inc. | 1 | $14 |
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.
- PANORAMIC OPHTHALMOSCOPE$919
- OCT OPHTHALMOSCOPE$817
- Rhopressa$592
- Rocklatan$592
- TOTAL30$524
- MIEBO$500
- VYZULTA$500
- NFC-700$459
- XIIDRA$375
- CVI Contact Lens$338
- TYRVAYA$315
- ULTRA MULTIFOCAL TORIC$250
- CEQUA$250
- XDEMVY$245
- INFUSE MULTIFOCAL$150
- TearCare SmartLid$148
- TEARCARE(TM) (2.2) SYSTEM KIT$148
- Acuvue$148
- INFUSE$147
- OMNI(R) SURGICAL SYSTEM (US)$125
How this compares
$7,630 in reported general payments places this provider in the 95th percentile of 6,778 optometrist providers in California.
Most prescribed under Part D
| Drug | Claims | Cost to plans & patients |
|---|---|---|
| Latanoprost | 43 | $366 |
| Dorzolamide-TimololDorzolamide Hcl/Timolol Maleat | 16 | $262 |
Paid to pharmacies, not to this prescriber.
Other optometrist in Riverside
- 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
- Omid KhodaiLake Forest$499K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.