Hunter Hammill
Obstetrics & Gynecology · Houston, TXNPI 1992892475
Payments from drug & device makers
What this record shows
Almost everything reported here is food and beverage — 94.9% of the total across 251 separate payments, which is the pattern of a clinician who attends manufacturer presentations rather than one with a consulting arrangement. 14 manufacturers reported payments, led by Viiv Healthcare Company at 26.0% of the total. Reporting peaked in 2021 at $2,180 and has fallen 86.4% since, to $297 in 2025. Among obstetrics & gynecology clinicians in TX with any reported payments, this total sits in the top 10% — high for the specialty, which is a reason to read the composition above rather than the number alone.
Across 251 payments — averaging $30.20 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Viiv Healthcare Company$2K
- Gilead$2K
- Theratechnologies Inc.$1K
- Janssen Products, LP$1K
- Johnson & Johnson$559
- Merck$510
- plus $711 from 8 others
What the payments were for
- Travel & lodging$20%
- Food & beverage$7,19495%
- Education$3835%
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 |
|---|---|---|
| Viiv Healthcare Company | 70 | $1,970 |
| Gilead | 52 | $1,623 |
| Theratechnologies Inc. | 37 | $1,144 |
| Janssen Products, LP | 10 | $1,062 |
| Johnson & Johnson(2 entities) | 28 | $559 |
| Merck | 22 | $510 |
| EMD Serono, Inc. | 15 | $396 |
| Napo Pharmaceuticals Inc | 10 | $192 |
| VBI Vaccine (delaware) Inc. | 2 | $36 |
| Neurocrine Biosciences, Inc. | 1 | $21 |
| Mylan Specialty L.p. | 1 | $18 |
| Exact Sciences | 1 | $17 |
| Davol Inc. | 1 | $17 |
| Mylan Institutional Inc. | 1 | $15 |
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
$7,579 in reported general payments places this provider in the 90th percentile of 3,099 obstetrics & gynecology providers in Texas.
Most prescribed under Part D
| Drug | Claims | Cost to plans & patients |
|---|---|---|
| Estradiol | 17 | $91 |
Paid to pharmacies, not to this prescriber.
Other obstetrics & gynecology in Houston
- George KuhnHouston$244K
- Daisy AyimHouston$188K
- Shannon WestinHouston$176K
- Asha BhalwalHouston$151K
- Nicole TranHouston$133K
- Sandra HurtadoHouston$123K
- Alvaro MontealegreHouston$92K
- Patti RossHouston$72K
- Damla KarsanHouston$58K
- Christopher JayneHouston$52K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.