Irene Kazhdan
Medical Oncology · San Antonio, TXNPI 1649273145
Payments from drug & device makers
Across 147 payments — averaging $14.28 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Merck$278
- Novartis$238
- Johnson & Johnson$201
- Pfizer$194
- Lilly USA, LLC$155
- AstraZeneca$129
- plus $904 from 23 others
What the payments were for
- Food & beverage$2,07699%
- Education$221%
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 |
|---|---|---|
| Merck | 19 | $278 |
| Novartis | 15 | $238 |
| Johnson & Johnson(2 entities) | 5 | $201 |
| Pfizer | 36 | $194 |
| Lilly USA, LLC | 9 | $155 |
| AstraZeneca(2 entities) | 8 | $129 |
| Amgen | 5 | $107 |
| E.r. Squibb & Sons, L.L.C. | 7 | $100 |
| AbbVie | 4 | $76 |
| Eisai Inc. | 4 | $64 |
| Incyte Corporation | 4 | $57 |
| Puma Biotechnology, Inc. | 3 | $49 |
| EMD Serono, Inc. | 3 | $49 |
| Genentech USA, Inc. | 3 | $48 |
| Boehringer Ingelheim | 3 | $43 |
| Sanofi | 2 | $39 |
| Bayer | 2 | $34 |
| Exelixis Inc. | 2 | $30 |
| Taiho Oncology, Inc. | 2 | $29 |
| Foundation Medicine, Inc. | 1 | $25 |
| Gilead | 2 | $24 |
| Array Biopharma Inc | 1 | $22 |
| Ipsen Biopharmaceuticals, Inc | 1 | $21 |
| Helsinn Therapeutics (U.S.), Inc. | 1 | $18 |
| Astellas Pharma US Inc | 1 | $16 |
| Alnylam Pharmaceuticals Inc. | 1 | $15 |
| Pharmacyclics LLC, An Abbvie Company | 1 | $14 |
| Clovis Oncology, Inc. | 1 | $14 |
| Karyopharm Therapeutics Inc. | 1 | $13 |
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.
- DARZALEX$125
How this compares
$2,098 in reported general payments places this provider in the 20th percentile of 495 medical oncology providers in Texas.
Other medical oncology in San Antonio
- Amita PatnaikSan Antonio$17.8M
- Anthony TolcherSan Antonio$15.9M
- Sukeshi AroraSan Antonio$9.1M
- John SarantopoulosSan Antonio$9M
- Virginia KaklamaniSan Antonio$5.5M
- Lei ZhengSan Antonio$5.3M
- Hagop KantarjianHouston$100.5M
- Timothy YapHouston$56.7M
- Yasir ElaminHouston$41.3M
- David HongHouston$31.6M
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.