Matthew Greenhawt
Pediatric Allergy/Immunology · Aurora, CONPI 1932226644
Payments from drug & device makers
What this record shows
The money is spread across several categories — speaking fees (56.8%), consulting fees and travel and lodging — rather than concentrated in one kind of arrangement. 16 manufacturers reported payments, led by ARS Pharmaceuticals Operations, Inc. at 49.8% of the total. 2025 is the largest year on record at $219,881, more than ten times the $3,293 reported in 2019.
Across 264 payments — averaging $1167.12 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- ARS Pharmaceuticals Operations, Inc.$154K
- Genentech USA, Inc.$60K
- Aquestive Therapeutics, Inc.$35K
- Novartis$32K
- Sanofi$7K
- Pfizer$5K
- plus $15K from 10 others
Across 16 payments — averaging $27,220 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$432K
- F. Hoffmann-la Roche AG$3K
- Regeneron$1K
What the payments were for
- Consulting fees$93,56730%
- Speaking & faculty fees$175,11057%
- Travel & lodging$33,19711%
- Food & beverage$6,2472%
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 |
|---|---|---|
| ARS Pharmaceuticals Operations, Inc. | 122 | $153,584 |
| Genentech USA, Inc. | 70 | $60,181 |
| Aquestive Therapeutics, Inc. | 12 | $35,354 |
| Novartis | 26 | $32,289 |
| Sanofi | 3 | $6,853 |
| Pfizer | 2 | $5,000 |
| AstraZeneca | 6 | $3,424 |
| Alk-abello, Inc | 4 | $3,314 |
| Grifols USA, LLC | 4 | $2,863 |
| GSK | 3 | $2,733 |
| Takeda Pharmaceuticals U.S.A., Inc. | 1 | $1,845 |
| Genentech, Inc. | 6 | $313 |
| Phadia US Inc. | 2 | $176 |
| Merz North America, Inc. | 1 | $107 |
| Incyte Corporation | 1 | $64 |
| Regeneron Healthcare Solutions, 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.
How this compares
Too few pediatric allergy/immunology providers in Coloradoto place this figure against a meaningful peer group, so we don't.
Other pediatric allergy/immunology in Aurora
- David FleischerAurora$91K
- William AndersonAurora$53K
- Cullen DutmerAurora$28K
- Matthew McCullochAurora$10K
- Wen-Yuan HsiehAurora$8K
- Jordan AbbottAurora$5K
- Joseph SpahnAurora$4K
- Suzanne NgoAurora$820
- Suzanne Essengue BelibiAurora$438
- Priya ChopraAurora$333
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.