Ramamoorthy Nagasubramanian
Pediatric Hematology-Oncology · Palo Alto, CANPI 1134279177
Payments from drug & device makers
What this record shows
This record is dominated by speaking fees: $15,140 of the $15,915 with a category attached, or 95.1%. Bayer accounts for 99.2% of it on its own, with 3 other manufacturers making up the rest. Reporting peaked in 2019 at $13,223 and has fallen 99.8% since, to $28 in 2025.
Across 15 payments — averaging $1060.99 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Bayer$16K
- Fennec Pharmaceuticals, Inc.$83
- Novartis$28
- Global Blood Therapeutics, Inc.$21
Across 50 payments — averaging $15,988 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.$449K
- E.r. Squibb & Sons, L.L.C.$183K
- AbbVie$63K
- Novartis$37K
- Novo Nordisk AS$18K
- Incyte Corporation$17K
- plus $33K from 3 others
What the payments were for
- Speaking & faculty fees$15,14095%
- Travel & lodging$4393%
- Food & beverage$3362%
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 | 12 | $15,783 |
| Fennec Pharmaceuticals, Inc. | 1 | $83 |
| Novartis | 1 | $28 |
| Global Blood Therapeutics, Inc. | 1 | $21 |
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.
- Vitrakvi$15,499
How this compares
$15,915 in reported general payments places this provider in the 80th percentile of 307 pediatric hematology-oncology providers in California.
See all pediatric hematology-oncology providers in California →
Other pediatric hematology-oncology in Palo Alto
- Philip PizzoPalo Alto$2.6M
- Elysia AlvarezPalo Alto$200K
- Christopher DvorakPalo Alto$144K
- Jessie AlexanderPalo Alto$70K
- John CurnuttePalo Alto$50K
- Crystal MackallPalo Alto$44K
- Glaivy BatsuliPalo Alto$40K
- Michael LinkPalo Alto$37K
- Tami JohnPalo Alto$32K
- Orly KleinPalo Alto$31K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.