Julia Warren
Pediatric Hematology-Oncology · Philadelphia, PANPI 1831570779
Payments from drug & device makers
What this record shows
This record is dominated by consulting fees: $14,746 of the $15,858 with a category attached, or 93.0%. X4 Pharmaceuticals, Inc. accounts for 86.2% of it on its own, with 3 other manufacturers making up the rest.
Across 9 payments — averaging $1761.97 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- X4 Pharmaceuticals, Inc.$14K
- Novartis$2K
- Bristol Myers Squibb$500
- AstraZeneca$24
Across 23 payments — averaging $26,144 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.
- X4 Pharmaceuticals, Inc.$601K
What the payments were for
- Consulting fees$14,74693%
- Speaking & faculty fees$5003%
- Travel & lodging$5884%
- Food & beverage$240%
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 |
|---|---|---|
| X4 Pharmaceuticals, Inc. | 5 | $13,676 |
| Novartis | 2 | $1,658 |
| Bristol Myers Squibb | 1 | $500 |
| AstraZeneca | 1 | $24 |
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
$15,858 in reported general payments places this provider in the 80th percentile of 139 pediatric hematology-oncology providers in Pennsylvania.
See all pediatric hematology-oncology providers in Pennsylvania →
Other pediatric hematology-oncology in Philadelphia
- Stephan GruppPhiladelphia$390K
- Samuel BlackmanPhiladelphia$265K
- Sarah TasianPhiladelphia$90K
- Lindsey GreenePhiladelphia$90K
- Janet KwiatkowskiPhiladelphia$65K
- Katherine HighPhiladelphia$63K
- Michele LambertPhiladelphia$62K
- Nataly ApollonskyPhiladelphia$57K
- Leslie RaffiniPhiladelphia$52K
- Michael FisherPhiladelphia$45K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.