Carl Allen
Pediatric Hematology-Oncology · Houston, TXNPI 1447414560
Payments from drug & device makers
What this record shows
This record is dominated by consulting fees: $15,295 of the $17,939 with a category attached, or 85.3%. 4 manufacturers reported payments, led by Sobi, Inc at 57.2% of the total. Reporting peaked in 2021 at $5,700 and has fallen 94.2% since, to $332 in 2025.
Across 25 payments — averaging $717.57 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Sobi, Inc$10K
- Sanofi$4K
- Swedish Orphan Biovitrum AB$3K
- Novartis$1K
Across 61 payments — averaging $8960.92 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$272K
- Genentech, Inc.$163K
- Swedish Orphan Biovitrum AB$112K
- Plexxikon Inc.$52
What the payments were for
- Consulting fees$15,29585%
- Travel & lodging$1,4038%
- Food & beverage$1,2417%
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 |
|---|---|---|
| Sobi, Inc | 19 | $10,265 |
| Sanofi | 1 | $3,595 |
| Swedish Orphan Biovitrum AB | 1 | $3,000 |
| Novartis | 4 | $1,080 |
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
$17,939 in reported general payments places this provider in the 85th percentile of 235 pediatric hematology-oncology providers in Texas.
Other pediatric hematology-oncology in Houston
- Vivek SubbiahHouston$194K
- Clay CohenHouston$62K
- Jenny DespotovicHouston$59K
- Helen HeslopHouston$51K
- Nidra RodriguezHouston$48K
- Venee TubmanHouston$43K
- Youngna Lee KimHouston$36K
- Richard GorlickHouston$21K
- Titilope FasipeHouston$17K
- Cynthia HerzogHouston$16K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.