Paul Aisen
Geriatric Medicine · San Diego, CANPI 1669470753
Payments from drug & device makers
What this record shows
This record is dominated by consulting fees: $67,201 of the $69,941 with a category attached, or 96.1%. 12 manufacturers reported payments, led by Merck at 24.4% of the total. 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 67 payments — averaging $1043.90 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Merck$17K
- F. Hoffmann-la Roche AG$17K
- Biogen$11K
- Genentech USA, Inc.$7K
- AbbVie$4K
- Janssen Research & Development, LLC$4K
- plus $10K from 6 others
Across 16 payments — averaging $976,073 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.
- Eisai Inc.$14.5M
- Life Molecular Imaging Ltd$919K
- Eli Lilly$158K
What the payments were for
- Consulting fees$67,20196%
- Travel & lodging$9301%
- Food & beverage$1,8113%
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 |
|---|---|---|
| Merck | 11 | $17,054 |
| F. Hoffmann-la Roche AG | 9 | $16,713 |
| Biogen | 7 | $11,130 |
| Genentech USA, Inc. | 4 | $7,325 |
| AbbVie | 1 | $3,900 |
| Janssen Research & Development, LLC | 1 | $3,500 |
| Eisai Inc. | 17 | $3,396 |
| Genentech, Inc. | 2 | $2,921 |
| E.r. Squibb & Sons, L.L.C. | 4 | $2,347 |
| Roche Diagnostics International Ltd | 1 | $1,400 |
| Eli Lilly | 9 | $151 |
| Roche Products Limited | 1 | $103 |
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.
- RDI Research$1,400
- MK-8931$350
How this compares
$69,941 in reported general payments places this provider in the 95th percentile of 494 geriatric medicine providers in California.
Other geriatric medicine in San Diego
- Anders NybergSan Diego$160K
- Ian NeelSan Diego$6K
- Robert FeldmanLaguna Hills$1.2M
- Oscar ChienSan Gabriel$208K
- Wayne ChenLos Angeles$40K
- Vincent HoLancaster$32K
- Kathryn SewellSan Francisco$26K
- Stephen HenryPasadena$25K
- Chaewon SongGarden Grove$21K
- Douglas ZhangSan Leandro$20K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.