Hunter Hammill
Obstetrics & Gynecology · Houston, TXNPI 1992892475
Payments from drug & device makers
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 85th 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
- Amir JazaeriHouston$19.5M
- Shannon WestinHouston$17.3M
- Mark JacobsHouston$2.8M
- Sandra HurtadoHouston$1.7M
- Dawn BlackHouston$1.2M
- George KuhnHouston$244K
- Luis Sandoval-MartinezHouston$234K
- Daisy AyimHouston$188K
- Asha BhalwalHouston$151K
- Monica LopezFort Worth$8.1M
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.