Wai-Tim Chew
Allergy & Immunology · Bellaire, TXNPI 1649775172
Payments from drug & device makers
Across 117 payments — averaging $34.41 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Regeneron$1K
- AstraZeneca$956
- GSK$604
- Sanofi$481
- Takeda Pharmaceuticals U.S.A., Inc.$223
- Regeneron Healthcare Solutions, Inc.$147
- plus $616 from 12 others
What the payments were for
- Grants$1,00025%
- Food & beverage$2,99674%
- Education$291%
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 |
|---|---|---|
| Regeneron | 1 | $1,000 |
| AstraZeneca | 32 | $956 |
| GSK | 32 | $604 |
| Sanofi | 15 | $481 |
| Takeda Pharmaceuticals U.S.A., Inc. | 9 | $223 |
| Regeneron Healthcare Solutions, Inc. | 6 | $147 |
| Novartis | 4 | $95 |
| Genentech USA, Inc. | 1 | $91 |
| Ionis Pharmaceuticals, Inc. | 3 | $85 |
| Kaleo, Inc. | 3 | $67 |
| ARS Pharmaceuticals Operations, Inc. | 2 | $52 |
| CSL Behring | 2 | $48 |
| Lilly USA, LLC | 2 | $45 |
| Organon | 1 | $40 |
| Pfizer | 1 | $29 |
| Galderma Laboratories, L.p. | 1 | $22 |
| Biocryst US Sales Co., LLC | 1 | $21 |
| Amgen | 1 | $20 |
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
$4,026 in reported general payments places this provider in the 40th percentile of 336 allergy & immunology providers in Texas.
Most prescribed under Part D
| Drug | Claims | Cost to plans & patients |
|---|---|---|
| Levocetirizine Dihydrochloride | 11 | $133 |
Paid to pharmacies, not to this prescriber.
Other allergy & immunology in Bellaire
- Serge de GolovineBellaire$125K
- Aries GavinoBellaire$124K
- Dat TranBellaire$35K
- William HowlandAustin$3.6M
- Russell PerryBeaumont$3.2M
- Barbara BaxterDallas$2.5M
- Lyndon MansfieldEl Paso$2.4M
- Dale MoharKerrville$2.3M
- Erika GonzalezSan Antonio$2.2M
- Richard WassermanDallas$1.9M
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.