Manuchehr Darani
Gastroenterology · Santa Ana, CANPI 1588766455
Payments from drug & device makers
Across 9,315 payments — averaging $1897.77 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Modernatx, Inc.$7.2M
- Alnylam Pharmaceuticals Inc.$3.3M
- Pfizer$1.9M
- Janssen Research & Development, LLC$1.6M
- GSK$1.3M
- Bavarian Nordic A/s$1M
- plus $1.3M from 12 others
Across 3 payments — averaging $12,389 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.
- Eli Lilly$37K
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. | 7,039 | $7,209,569 |
| Alnylam Pharmaceuticals Inc. | 902 | $3,268,914 |
| Pfizer | 67 | $1,869,406 |
| Janssen Research & Development, LLC | 185 | $1,618,830 |
| GSK | 47 | $1,340,726 |
| Bavarian Nordic A/s | 89 | $1,032,685 |
| Seqirus USA Inc | 808 | $598,385 |
| Roche Molecular Systems, Inc. | 37 | $239,952 |
| Tanabe Pharma America, Inc. | 102 | $149,672 |
| American Regent | 1 | $93,981 |
| AstraZeneca | 17 | $83,897 |
| Teva Pharmaceuticals USA, Inc. | 4 | $78,495 |
| Eli Lilly | 4 | $32,067 |
| Roche Diagnostics Operations, Inc. | 3 | $26,674 |
| AbbVie | 7 | $16,273 |
| Organon | 1 | $10,042 |
| Mitsubishi Tanabe Pharma Development America, Inc. | 1 | $4,973 |
| Merck | 1 | $3,164 |
How this compares
$17,677,705 in reported general payments places this provider in the 95th percentile of 1,885 gastroenterology providers in California.
Other gastroenterology in Santa Ana
- Peter WinkleCypress$116.7M
- Jatinder PruthiLancaster$4.4M
- Long DangWestminster$4.3M
- Muhammad SheikhFresno$4.3M
- Gregory WienerChula Vista$3.5M
- Gil MelmedLos Angeles$3M
- Christopher BowlusSacramento$3M
- Bennett RothLos Angeles$2.8M
- Brigid BolandSan Diego$2.4M
- Huy NguyenSan Jose$2.3M
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.