Christopher Dvorak
Pediatric Hematology-Oncology · Palo Alto, CANPI 1861527657
Payments from drug & device makers
What this record shows
This record is dominated by consulting fees: $104,174 of the $144,467 with a category attached, or 72.1%. AstraZeneca accounts for 62.8% of it on its own, with 11 other manufacturers making up the rest. Among pediatric hematology-oncology clinicians in CA with any reported payments, this total sits in the top 5% — high for the specialty, which is a reason to read the composition above rather than the number alone.
Across 85 payments — averaging $1699.62 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- AstraZeneca$91K
- Amgen$34K
- Jazz Pharmaceuticals Inc.$7K
- Omeros Corporation$6K
- Chiesi USA, Inc.$4K
- Medexus Pharma, Inc.$2K
- plus $1K from 6 others
Across 10 payments — averaging $5301.30 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.
- Merck$46K
- National Marrow Donor Program$6K
- Leadiant Biosciences, Inc.$875
What the payments were for
- Consulting fees$104,17472%
- Speaking & faculty fees$8,8506%
- Travel & lodging$29,64021%
- Food & beverage$1,8041%
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 | 55 | $90,709 |
| Amgen | 9 | $33,677 |
| Jazz Pharmaceuticals Inc. | 4 | $6,575 |
| Omeros Corporation | 3 | $6,250 |
| Chiesi USA, Inc. | 3 | $4,055 |
| Medexus Pharma, Inc. | 2 | $2,163 |
| Apellis Pharmaceuticals, Inc. | 1 | $250 |
| Mesoblast, Inc. | 2 | $250 |
| Vertex | 1 | $221 |
| Sobi, Inc | 3 | $175 |
| Novartis | 1 | $124 |
| ADMA Biomanufacturing LLC | 1 | $20 |
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
$144,467 in reported general payments places this provider in the 95th 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
- 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
- Bertil GladerPalo Alto$27K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.