Wayne Chen
Geriatric Medicine · Los Angeles, CANPI 1235161563
Payments from drug & device makers
What this record shows
This record is dominated by consulting fees: $34,333 of the $40,066 with a category attached, or 85.7%. Takeda Pharmaceuticals U.S.A., Inc. accounts for 83.6% of it on its own, with 17 other manufacturers making up the rest. Reporting peaked in 2022 at $23,437 and has fallen 99.9% since, to $16 in 2024. Among geriatric medicine clinicians in CA with any reported payments, this total sits in the top 5% — high for the specialty, which is a reason to read the composition above rather than the number alone.
Across 47 payments — averaging $852.46 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Takeda Pharmaceuticals U.S.A., Inc.$33K
- Pfizer$4K
- Gilead$920
- Cepheid$413
- Salix Pharmaceuticals, A Division Of Bausch Health US, LLC$282
- Boehringer Ingelheim$211
- plus $839 from 12 others
Across 11 payments — averaging $223,447 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.
- Eli Lilly$2.5M
What the payments were for
- Consulting fees$34,33386%
- Speaking & faculty fees$3,81510%
- Food & beverage$1,4434%
- Education$4751%
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 |
|---|---|---|
| Takeda Pharmaceuticals U.S.A., Inc. | 15 | $33,475 |
| Pfizer | 6 | $3,926 |
| Gilead | 1 | $920 |
| Cepheid | 1 | $413 |
| Salix Pharmaceuticals, A Division Of Bausch Health US, LLC | 5 | $282 |
| Boehringer Ingelheim | 3 | $211 |
| Dexcom, Inc. | 2 | $202 |
| Boston Scientific | 2 | $107 |
| LEO Pharma Inc. | 1 | $92 |
| Johnson & Johnson | 2 | $79 |
| Tanabe Pharma America, Inc. | 2 | $77 |
| Novo Nordisk | 1 | $64 |
| Stemline Therapeutics Inc. | 1 | $51 |
| Vertex | 1 | $46 |
| GSK | 1 | $44 |
| Tactile Systems Technology Inc | 1 | $37 |
| Acorda Therapeutics, Inc | 1 | $25 |
| Mimedx Group, Inc. | 1 | $16 |
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.
- GENEXPERT$413
- DEXCOM CGM$125
How this compares
$40,066 in reported general payments places this provider in the 95th percentile of 494 geriatric medicine providers in California.
Other geriatric medicine in Los Angeles
- Arman HekmatiLos Angeles$14K
- Dong LeeLos Angeles$7K
- Sylvia CarlisleLos Angeles$4K
- Joshua ChodoshLos Angeles$4K
- Azmy GhalyLos Angeles$4K
- Jo Ann PullenLos Angeles$3K
- Robert FeldmanLaguna Hills$1.2M
- Oscar ChienSan Gabriel$208K
- Anders NybergSan Diego$160K
- Paul AisenSan Diego$70K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.