Dennis Birenbaum
Hematology & Oncology · Dallas, TXNPI 1538119045
Payments from drug & device makers
What this record shows
This record is dominated by food and beverage: $4,795 of the $6,442 with a category attached, or 74.4%. 48 manufacturers reported payments, led by Novartis at 25.8% of the total. Reporting peaked in 2021 at $2,294 and has fallen 53.3% since, to $1,071 in 2022.
Across 304 payments — averaging $21.19 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Novartis$2K
- Incyte Corporation$553
- Pfizer$533
- Merck$348
- Johnson & Johnson$346
- Eisai Inc.$343
- plus $3K from 42 others
Across 3 payments — averaging $6310.43 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.
- Daiichi Sankyo Inc.$16K
- Amgen$3K
What the payments were for
- Food & beverage$4,79574%
- Education$69911%
- Other$94815%
Most of this is food and beverage — typically meals provided during product presentations at a clinic or hospital. Nationally that is the single largest category of reported payments by count.
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.
How this compares
$6,442 in reported general payments places this provider in the 60th percentile of 838 hematology & oncology providers in Texas.
Other hematology & oncology in Dallas
- Edward PearsonDallas$900K
- Christopher MaiselDallas$713K
- Ashwani AgarwalDallas$275K
- Katherine WangDallas$188K
- Houston HolmesDallas$178K
- Benjamin KitchensDallas$177K
- Farrukh AwanDallas$138K
- Dai Chu LuuDallas$90K
- Luis PineiroDallas$86K
- Joan SchillerDallas$85K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.