Siok-Hian Tay-Kelley
Adult Health · Stanford, CANPI 1568766442
Payments from drug & device makers
What this record shows
Almost everything reported here is food and beverage — 90.2% of the total across 13 separate payments, which is the pattern of a clinician who attends manufacturer presentations rather than one with a consulting arrangement. 8 manufacturers reported payments, led by Exelixis Inc. at 26.4% of the total. Reporting peaked in 2024 at $595 and has fallen 78.2% since, to $129 in 2025.
Across 13 payments — averaging $103.91 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Exelixis Inc.$356
- Johnson & Johnson$259
- Astellas Pharma US Inc$243
- Bayer$141
- E.r. Squibb & Sons, L.L.C.$122
- Jazz Pharmaceuticals Inc.$118
- plus $113 from 2 others
Across 13 payments — averaging $46,874 each. Payments tied to a research study. These frequently flow through the physician to a hospital or research institution rather than to the physician personally.
- UCB SA$609K
What the payments were for
- Food & beverage$1,21890%
- Education$13310%
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 |
|---|---|---|
| Exelixis Inc. | 4 | $356 |
| Johnson & Johnson | 2 | $259 |
| Astellas Pharma US Inc | 2 | $243 |
| Bayer | 1 | $141 |
| E.r. Squibb & Sons, L.L.C. | 1 | $122 |
| Jazz Pharmaceuticals Inc. | 1 | $118 |
| SK Life Science, Inc. | 1 | $60 |
| Takeda Pharmaceuticals U.S.A., 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.
How this compares
$1,351 in reported general payments places this provider in the 75th percentile of 785 adult health providers in California.
Other adult health in Stanford
- Dana DolceStanford$5K
- Karolina FaysmanLos Angeles$1.1M
- Linda BuckLos Angeles$170K
- Naomi PesynaAnaheim$141K
- Stacy GrissenEncinitas$82K
- Kimberly PodsadaSan Diego$78K
- Brenda PatrickSan Leandro$68K
- Brittany PolizziEncinitas$35K
- Nancy NicolosiLaguna Woods$31K
- Michele WestendorfNewport Beach$30K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.