Leo Mascarenhas
Pediatric Hematology-Oncology · Los Angeles, CANPI 1417057225
Payments from drug & device makers
What this record shows
This record is dominated by consulting fees: $22,415 of the $35,295 with a category attached, or 63.5%. 8 manufacturers reported payments, led by Bayer at 54.2% of the total. Reporting peaked in 2019 at $17,778 and has fallen 89.4% since, to $1,885 in 2024.
Across 47 payments — averaging $750.96 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Bayer$19K
- Gilead$4K
- Amgen$3K
- Pfizer$3K
- Novartis$3K
- Eli Lilly$1K
- plus $1K from 2 others
Across 87 payments — averaging $17,893 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.
- Jazz Pharmaceuticals Inc.$649K
- AstraZeneca$220K
- Eli Lilly$203K
- Bayer$155K
- E.r. Squibb & Sons, L.L.C.$128K
- GSK$76K
- plus $125K from 4 others
What the payments were for
- Consulting fees$22,41564%
- Speaking & faculty fees$3,2009%
- Travel & lodging$8,76625%
- Food & beverage$9143%
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 |
|---|---|---|
| Bayer | 16 | $19,134 |
| Gilead | 6 | $4,380 |
| Amgen | 2 | $3,245 |
| Pfizer | 1 | $3,200 |
| Novartis | 3 | $3,002 |
| Eli Lilly | 8 | $1,238 |
| AstraZeneca | 10 | $996 |
| Aadi Bioscience, Inc. | 1 | $100 |
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
$35,295 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 Los Angeles
- Noah FedermanLos Angeles$399K
- Jan van TornoutLos Angeles$137K
- Thomas CoatesLos Angeles$99K
- Andrew DietzLos Angeles$88K
- Geetha PuthenveetilLos Angeles$62K
- Hisham Abdel AzimLos Angeles$52K
- Michael PulsipherLos Angeles$45K
- Edward GompertsLos Angeles$28K
- Paibel Aguayo-HiraldoLos Angeles$21K
- Paul GaynonLos Angeles$21K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.