Roger Kobayashi
Allergy & Immunology · Omaha, NENPI 1093707754
Payments from drug & device makers
What this record shows
The money is spread across several categories — speaking fees (51.0%), travel and lodging and food and beverage — rather than concentrated in one kind of arrangement. Octapharma USA, Inc. accounts for 88.0% of it on its own, with 21 other manufacturers making up the rest. Reporting peaked in 2022 at $20,594 and has fallen 95.1% since, to $1,004 in 2024.
Across 167 payments — averaging $271.98 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Octapharma USA, Inc.$40K
- Pfizer$3K
- CSL Behring$771
- Amgen$344
- Grifols Shared Services North America, Inc.$281
- Grifols USA, LLC$257
- plus $1K from 16 others
Across 43 payments — averaging $5516.58 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.
- Octapharma USA, Inc.$237K
What the payments were for
- Consulting fees$1,5633%
- Speaking & faculty fees$23,16551%
- Travel & lodging$14,87933%
- Food & beverage$4,57810%
- Education$1,2363%
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 |
|---|---|---|
| Octapharma USA, Inc. | 76 | $39,965 |
| Pfizer | 12 | $2,653 |
| CSL Behring | 20 | $771 |
| Amgen(2 entities) | 12 | $344 |
| Grifols Shared Services North America, Inc. | 4 | $281 |
| Grifols USA, LLC | 4 | $257 |
| Genentech, Inc. | 2 | $212 |
| Takeda Pharmaceuticals U.S.A., Inc. | 7 | $149 |
| VYNE Pharmaceuticals Inc. | 1 | $125 |
| Pharming Healthcare, Inc. | 1 | $114 |
| Sanofi Pasteur Inc. | 1 | $107 |
| Novartis | 6 | $91 |
| Hospira, Inc. | 2 | $78 |
| GSK | 5 | $71 |
| Sanofi | 3 | $53 |
| ADMA Biomanufacturing LLC | 3 | $50 |
| Shire North American Group Inc | 2 | $26 |
| AstraZeneca | 2 | $23 |
| Regeneron Healthcare Solutions, Inc. | 1 | $14 |
| Genentech USA, Inc. | 1 | $13 |
| Teva Pharmaceuticals USA, Inc. | 1 | $13 |
| Kaleo, Inc. | 1 | $12 |
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
$45,421 in reported general payments places this provider in the 80th percentile of 21 allergy & immunology providers in Nebraska.
Other allergy & immunology in Omaha
- James TracyOmaha$104K
- Mitchell PitlickOmaha$26K
- James FriedlanderOmaha$22K
- Brett KettelhutOmaha$21K
- Teodoro SeguraOmaha$8K
- Gary KoenigOmaha$4K
- Sara MayOmaha$2K
- Brian KellyOmaha$1K
- Jose Zamora SifuentesOmaha$786
- Joel van de GraaffOmaha$692
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.