William Sandborn
Gastroenterology · San Diego, CANPI 1639157563
Payments from drug & device makers
Across 533 payments — averaging $4055.21 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Pfizer$521K
- Gilead$507K
- AbbVie$444K
- Takeda Pharmaceuticals U.S.A., Inc.$199K
- Bristol Myers Squibb$117K
- Genentech, Inc.$66K
- plus $307K from 24 others
Across 64 payments — averaging $1481.59 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.
- Pfizer$74K
- UCB, Inc.$10K
- E.r. Squibb & Sons, L.L.C.$7K
- AbbVie$2K
- Bristol Myers Squibb$2K
What the payments were for
- Consulting fees$266,46778%
- Speaking & faculty fees$37,01311%
- Travel & lodging$30,8749%
- Food & beverage$5,3902%
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 |
|---|---|---|
| Pfizer(2 entities) | 58 | $520,976 |
| Gilead | 67 | $506,597 |
| AbbVie | 122 | $443,779 |
| Takeda Pharmaceuticals U.S.A., Inc. | 87 | $199,298 |
| Bristol Myers Squibb | 17 | $117,423 |
| Genentech, Inc. | 32 | $65,860 |
| Eli Lilly | 35 | $63,352 |
| Janssen Research & Development, LLC | 7 | $58,220 |
| E.r. Squibb & Sons, L.L.C. | 12 | $24,552 |
| Roche Products Limited | 17 | $21,197 |
| Boehringer Ingelheim | 5 | $19,488 |
| GSK | 6 | $19,187 |
| Shire North American Group Inc | 8 | $18,900 |
| Johnson & Johnson | 16 | $16,710 |
| Celltrion, Inc. | 3 | $16,706 |
| Janssen Global Services, LLC | 9 | $7,680 |
| Janssen Scientific Affairs, LLC | 5 | $7,439 |
| Boehringer Ingelheim International GmbH | 3 | $7,175 |
| Salix Pharmaceuticals, A Division Of Bausch Health US, LLC | 2 | $5,401 |
| F. Hoffmann-la Roche AG | 2 | $4,000 |
| Takeda | 1 | $3,500 |
| Otsuka Pharmaceutical Development & Commercialization, Inc. | 5 | $3,475 |
| UCB, Inc. | 1 | $3,125 |
| Amgen | 5 | $2,650 |
| Lilly USA, LLC | 1 | $2,175 |
| Celularity Inc. | 1 | $1,950 |
| Zealand Pharma US, Inc. | 1 | $500 |
| Baxter Healthcare | 2 | $49 |
| Boehringer Ingelheim RCV GmbH & Co KG | 2 | $46 |
| Steris Corporation | 1 | $19 |
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
$2,161,428 in reported general payments places this provider in the 95th percentile of 1,885 gastroenterology providers in California.
Other gastroenterology in San Diego
- Brigid BolandSan Diego$2.4M
- Naveen GaraSan Diego$1.5M
- Michael BennettSan Diego$1.5M
- Taddese DestaSan Diego$1.4M
- Hyun KimSan Diego$1.3M
- Vijayalak PrathaSan Diego$1.2M
- David KunkelSan Diego$679K
- Peter WinkleCypress$116.7M
- Manuchehr DaraniSanta Ana$17.7M
- Jatinder PruthiLancaster$4.4M
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.