Roger Katz
Allergy & Immunology · Los Angeles, CANPI 1083721344
Payments from drug & device makers
Across 92 payments — averaging $21.70 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Pharming Healthcare, Inc.$305
- GSK$254
- Optinose US, Inc.$183
- Octapharma USA, Inc.$154
- Alk-abello, Inc$138
- AstraZeneca$138
- plus $824 from 14 others
What the payments were for
- Food & beverage$1,997100%
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.
| Company | Payments | Total |
|---|---|---|
| Pharming Healthcare, Inc. | 3 | $305 |
| GSK | 17 | $254 |
| Optinose US, Inc. | 13 | $183 |
| Octapharma USA, Inc. | 4 | $154 |
| Alk-abello, Inc | 9 | $138 |
| AstraZeneca | 7 | $138 |
| Regeneron Healthcare Solutions, Inc. | 5 | $123 |
| CSL Behring | 5 | $120 |
| Novartis | 5 | $103 |
| Grifols USA, LLC | 4 | $82 |
| Pfizer | 4 | $71 |
| Genentech USA, Inc. | 3 | $58 |
| Amgen(2 entities) | 2 | $57 |
| Sanofi | 2 | $46 |
| Mylan Specialty L.p. | 2 | $43 |
| Teva Pharmaceuticals USA, Inc. | 2 | $31 |
| Sunovion Pharmaceuticals Inc. | 2 | $30 |
| Shire North American Group Inc | 1 | $23 |
| Electromed, Inc. | 1 | $19 |
| Kaleo, Inc. | 1 | $17 |
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.
- RUCONEST$137
How this compares
$1,997 in reported general payments places this provider in the 40th percentile of 426 allergy & immunology providers in California.
Other allergy & immunology in Los Angeles
- Melinda BraskettLos Angeles$223K
- Yat Choi KwongLos Angeles$181K
- Asal NaderiLos Angeles$71K
- Kenneth KimLong Beach$18.5M
- Purvi MehraSan Diego$6.3M
- Bob GengSan Diego$6M
- Alexander GreinerSan Diego$4.8M
- Tonny TanusBakersfield$4.5M
- Raffi TachdjianSanta Monica$4.2M
- Vinay MehtaLaguna Niguel$3.3M
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.