David Guzman
Internal Medicine · Los Angeles, CANPI 1275521494
Payments from drug & device makers
Across 1,721 payments — averaging $2513.48 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Modernatx, Inc.$2.1M
- Novo Nordisk AS$394K
- Sanofi Pasteur Inc.$394K
- Regeneron$307K
- AstraZeneca$262K
- Boehringer Ingelheim$216K
- plus $659K from 15 others
Across 25 payments — averaging $180.06 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.
- Corcept Therapeutics$3K
- Regeneron$2K
What the payments were for
- Travel & lodging$10,68975%
- Food & beverage$3,62225%
- Education$320%
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 |
|---|---|---|
| Modernatx, Inc. | 881 | $2,093,381 |
| Novo Nordisk AS | 404 | $393,897 |
| Sanofi Pasteur Inc. | 14 | $393,894 |
| Regeneron | 48 | $306,656 |
| AstraZeneca | 10 | $261,939 |
| Boehringer Ingelheim | 30 | $216,436 |
| Alnylam Pharmaceuticals Inc. | 93 | $192,490 |
| Madrigal Pharmaceuticals | 14 | $174,243 |
| Pfizer | 32 | $71,628 |
| Eli Lilly | 21 | $64,409 |
| Boehringer Ingelheim International GmbH | 109 | $52,146 |
| Amgen | 10 | $29,166 |
| Currax Pharmaceuticals LLC | 9 | $25,073 |
| Astrazeneca UK Limited | 13 | $22,655 |
| Braintree Laboratories, Inc. | 9 | $22,530 |
| Shionogi Inc | 1 | $3,492 |
| Merck | 9 | $1,204 |
| Corcept Therapeutics | 7 | $304 |
| Novo Nordisk | 4 | $96 |
| Abbott | 2 | $36 |
| Sobi, Inc | 1 | $18 |
How this compares
$4,325,693 in reported general payments places this provider in the 95th percentile of 13,581 internal medicine providers in California.
Other internal medicine in Los Angeles
- William TownerLos Angeles$27.4M
- Herbert EradatLos Angeles$11.6M
- Deborah WongLos Angeles$10.7M
- Robin KelleyLos Angeles$5.8M
- Siwen Hu-LieskovanLos Angeles$2.9M
- Andrew ChengSouth San Francisco$55.1M
- Joel NeutelTustin$34.9M
- Donald BrandonSan Diego$34M
- Rahul AggarwalSan Francisco$24M
- Masoud AzizadNorthridge$21.1M
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.