Mariko Sato
Pediatric Hematology-Oncology · Orange, CANPI 1326207978
Payments from drug & device makers
What this record shows
This record is dominated by consulting fees: $19,900 of the $21,208 with a category attached, or 93.8%. AstraZeneca accounts for 74.0% of it on its own, with 8 other manufacturers making up the rest. Reporting peaked in 2024 at $14,213 and has fallen 98.2% since, to $251 in 2025.
Across 33 payments — averaging $642.67 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- AstraZeneca$16K
- Y-mabs Therapeutics, Inc.$3K
- Novartis$2K
- Jazz Pharmaceuticals Inc.$127
- BTG International Inc.$100
- Springworks Therapeutics, Inc.$74
- plus $174 from 3 others
Across 39 payments — averaging $17,242 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.
- Novartis$356K
- Jazz Pharmaceuticals Inc.$282K
- E.r. Squibb & Sons, L.L.C.$12K
- Eli Lilly$12K
- Merck$10K
- Incyte Corporation$491
What the payments were for
- Consulting fees$19,90094%
- Travel & lodging$3151%
- Food & beverage$9935%
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 |
|---|---|---|
| AstraZeneca(2 entities) | 17 | $15,697 |
| Y-mabs Therapeutics, Inc. | 1 | $3,163 |
| Novartis | 1 | $1,875 |
| Jazz Pharmaceuticals Inc. | 5 | $127 |
| BTG International Inc. | 1 | $100 |
| Springworks Therapeutics, Inc. | 2 | $74 |
| Sobi, Inc | 2 | $69 |
| Takeda Pharmaceuticals U.S.A., Inc. | 2 | $58 |
| Day One Biopharmaceuticals | 2 | $47 |
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
$21,208 in reported general payments places this provider in the 85th percentile of 307 pediatric hematology-oncology providers in California.
See all pediatric hematology-oncology providers in California →
Other pediatric hematology-oncology in Orange
- Vanessa Salinas-LunaOrange$344K
- Arash MahajerinOrange$249K
- Amit SoniOrange$70K
- Esteban GomezOrange$56K
- Diane NugentOrange$55K
- van HuynhOrange$37K
- Philip PizzoPalo Alto$2.6M
- Vinod BalasaMadera$508K
- Akshat JainRedlands$447K
- Noah FedermanLos Angeles$399K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.