Elizabeth Grizzaffi
Physician Assistant · Houston, TXNPI 1124311584
Payments from drug & device makers
Across 193 payments — averaging $22.51 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- ITI, Inc. (d/b/a Intra-cellular Therapies, Inc.)$940
- AbbVie$579
- Takeda Pharmaceuticals U.S.A., Inc.$439
- Otsuka America Pharmaceutical, Inc.$407
- Corium, LLC$328
- Bausch Health US, LLC$313
- plus $1K from 13 others
What the payments were for
- Food & beverage$4,32399%
- Education$231%
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 |
|---|---|---|
| ITI, Inc. (d/b/a Intra-cellular Therapies, Inc.) | 41 | $940 |
| AbbVie | 28 | $579 |
| Takeda Pharmaceuticals U.S.A., Inc. | 22 | $439 |
| Otsuka America Pharmaceutical, Inc. | 13 | $407 |
| Corium, LLC | 13 | $328 |
| Bausch Health US, LLC | 14 | $313 |
| Lundbeck LLC | 9 | $202 |
| Noven Therapeutics, LLC | 10 | $196 |
| Alkermes, Inc. | 8 | $187 |
| Idorsia Pharmaceuticals US Inc | 7 | $154 |
| Axsome Therapeutics, Inc. | 5 | $136 |
| Neos Therapeutics, LP | 6 | $109 |
| Vanda Pharmaceuticals Inc. | 6 | $109 |
| E.r. Squibb & Sons, L.L.C. | 4 | $93 |
| Neurocrine Biosciences, Inc. | 3 | $76 |
| Jazz Pharmaceuticals Inc. | 1 | $23 |
| Livanova USA, Inc. | 1 | $21 |
| Supernus Pharmaceuticals, Inc. | 1 | $19 |
| Johnson & Johnson | 1 | $16 |
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.
- REXULTI$122
How this compares
$4,345 in reported general payments places this provider in the 85th percentile of 8,308 physician assistant providers in Texas.
Most prescribed under Part D
| Drug | Claims | Cost to plans & patients |
|---|---|---|
| Bupropion XlBupropion Hcl | 25 | $1,088 |
| Duloxetine Hcl | 21 | $503 |
| Fluoxetine Hcl | 12 | $273 |
| Trazodone Hcl | 17 | $258 |
| Clonazepam | 21 | $150 |
| Sertraline Hcl | 14 | $111 |
Paid to pharmacies, not to this prescriber.
Other physician assistant in Houston
- Simone SteeleHouston$237K
- Amanda WilhiteHouston$207K
- Christina YazdaniHouston$72K
- Julie Huynh-LuHouston$64K
- Jennifer FalconeHouston$48K
- Jacqueline WeatherlyHouston$47K
- Samantha SalvatoraHouston$45K
- Virginia SchneiderHouston$43K
- Cynthia TrickettDallas$1.3M
- Kristine KuceraMelissa$797K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.