Shervin Rabizadeh
Pediatric Gastroenterology · Los Angeles, CANPI 1992851877
Payments from drug & device makers
What this record shows
This record is dominated by speaking fees: $4,440 of the $5,892 with a category attached, or 75.4%. Pfizer accounts for 75.4% of it on its own, with 5 other manufacturers making up the rest. 2023 is the largest year on record at $3,561, more than ten times the $20 reported in 2019.
Across 24 payments — averaging $245.49 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Pfizer$4K
- Janssen Research & Development, LLC$1K
- AbbVie$129
- Boston Scientific$57
- Travere Therapeutics, Inc.$14
- Shire North American Group Inc$11
Across 101 payments — averaging $15,679 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.
- Janssen Research & Development, LLC$1.4M
- AbbVie$119K
- Takeda Pharmaceuticals U.S.A., Inc.$74K
- E.r. Squibb & Sons, L.L.C.$22K
- Bristol Myers Squibb$5K
What the payments were for
- Consulting fees$1,24021%
- Speaking & faculty fees$4,44075%
- Food & beverage$1863%
- Education$260%
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 | $4,440 |
| Janssen Research & Development, LLC | 1 | $1,240 |
| AbbVie | 9 | $129 |
| Boston Scientific | 1 | $57 |
| Travere Therapeutics, Inc. | 10 | $14 |
| Shire North American Group Inc | 1 | $11 |
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
$5,892 in reported general payments places this provider in the 85th percentile of 220 pediatric gastroenterology providers in California.
See all pediatric gastroenterology providers in California →
Other pediatric gastroenterology in Los Angeles
- David ZiringLos Angeles$206K
- Robert VenickLos Angeles$78K
- Jessica DeasLos Angeles$74K
- Rohit KohliLos Angeles$46K
- Beth CarterLos Angeles$33K
- Mallory ChavannesLos Angeles$24K
- Rula HarbLos Angeles$17K
- Russell MerrittLos Angeles$13K
- Roy NattivLos Angeles$9K
- Chuan-Hao LinLos Angeles$6K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.