S Claiborne Johnston
Neurology · San Francisco, CANPI 1174568927
Payments from drug & device makers
What this record shows
This record is dominated by consulting fees: $487,372 of the $575,752 with a category attached, or 84.6%. Janssen Research & Development, LLC accounts for 62.7% of it on its own, with 5 other manufacturers making up the rest. Among neurology 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 139 payments — averaging $4142.10 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Janssen Research & Development, LLC$361K
- Astrazeneca AB$81K
- AstraZeneca$80K
- Astrazeneca UK Limited$27K
- Janssen Global Services, LLC$26K
- E.r. Squibb & Sons, L.L.C.$70
What the payments were for
- Consulting fees$487,37285%
- Travel & lodging$86,30515%
- Food & beverage$2,0760%
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 |
|---|---|---|
| Janssen Research & Development, LLC | 82 | $361,001 |
| Astrazeneca AB | 9 | $80,747 |
| AstraZeneca | 8 | $80,282 |
| Astrazeneca UK Limited | 25 | $27,405 |
| Janssen Global Services, LLC | 14 | $26,247 |
| E.r. Squibb & Sons, L.L.C. | 1 | $70 |
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.
- BRILINTA$105,633
How this compares
$575,752 in reported general payments places this provider in the 95th percentile of 1,996 neurology providers in California.
Other neurology in San Francisco
- Armen MoughamianSan Francisco$554K
- Scott ZamvilSan Francisco$447K
- Bruce CreeSan Francisco$412K
- Kenneth LaxerSan Francisco$379K
- Jonathan KatzSan Francisco$294K
- Nada HindiyehSan Francisco$268K
- Douglas GoodinSan Francisco$227K
- Andrew BlumenfeldCarlsbad$4.9M
- Khashayar DashtipourLoma Linda$3.3M
- Regina BerkovichWest Hollywood$3M
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.