Ariel Feldstein
Pediatric Gastroenterology · San Diego, CANPI 1174587281
Payments from drug & device makers
What this record shows
This record is dominated by consulting fees: $55,876 of the $60,272 with a category attached, or 92.7%. 6 manufacturers reported payments, led by GSK at 36.7% of the total. Reporting peaked in 2019 at $33,685 and has fallen 99.7% since, to $107 in 2025. Among pediatric gastroenterology 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 35 payments — averaging $1722.06 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- GSK$22K
- Gilead$21K
- Novo Nordisk AS$11K
- Merck$6K
- Pfizer$107
- Ferring Research Institute Inc.$17
Across 9 payments — averaging $99,384 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.
- Takeda Pharmaceuticals U.S.A., Inc.$540K
- Genentech, Inc.$134K
- Sysmex America, Inc.$82K
- Gilead$71K
- Novo Nordisk AS$67K
What the payments were for
- Consulting fees$55,87693%
- Travel & lodging$3,1965%
- Food & beverage$1,2002%
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 |
|---|---|---|
| GSK | 16 | $22,099 |
| Gilead | 11 | $21,002 |
| Novo Nordisk AS | 1 | $11,440 |
| Merck | 4 | $5,608 |
| Pfizer | 2 | $107 |
| Ferring Research Institute Inc. | 1 | $17 |
How this compares
$60,272 in reported general payments places this provider in the 95th percentile of 220 pediatric gastroenterology providers in California.
See all pediatric gastroenterology providers in California →
Other pediatric gastroenterology in San Diego
- Amber HildrethSan Diego$67K
- Kathleen SchwarzSan Diego$58K
- Andrew DickersonSan Diego$58K
- Mary Abigail GarciaSan Diego$51K
- Joel LavineSan Diego$19K
- Tom LinSan Diego$10K
- Christopher ChuSan Diego$8K
- Laura BaumanSan Diego$8K
- Maria Ordonez NaranjoSan Diego$5K
- Jeffrey SchwimmerSan Diego$4K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.