Martha Rivera
Obstetrics & Gynecology · Visalia, CANPI 1932165206
Payments from drug & device makers
What this record shows
Almost everything reported here is food and beverage — 99.4% of the total across 126 separate payments, which is the pattern of a clinician who attends manufacturer presentations rather than one with a consulting arrangement. 20 manufacturers reported payments, led by AbbVie at 47.0% of the total.
Across 126 payments — averaging $20.65 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- AbbVie$1K
- Sage Therapeutics, LLC$285
- Shield Therapeutics Inc$113
- Phadia US Inc.$101
- Organon$90
- Optumhealth Care Solutions, LLC$87
- plus $701 from 14 others
What the payments were for
- Food & beverage$2,58599%
- Education$161%
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 |
|---|---|---|
| AbbVie | 54 | $1,224 |
| Sage Therapeutics, LLC | 16 | $285 |
| Shield Therapeutics Inc | 6 | $113 |
| Phadia US Inc. | 1 | $101 |
| Organon | 7 | $90 |
| Optumhealth Care Solutions, LLC | 5 | $87 |
| Myovant Sciences Inc. | 4 | $82 |
| Agile Therapeutics, Inc. | 4 | $78 |
| Sumitomo Pharma America, Inc. | 4 | $75 |
| Therapeuticsmd, Inc. | 4 | $68 |
| Bayer | 4 | $66 |
| Dexcom, Inc. | 2 | $63 |
| Supernus Pharmaceuticals, Inc. | 3 | $62 |
| Hologic Sales And Service, LLC | 2 | $46 |
| Evofem Biosciences, Inc. | 2 | $38 |
| Pfizer | 2 | $34 |
| Astellas Pharma US Inc | 1 | $31 |
| Coopersurgical, Inc. | 1 | $22 |
| Mayne Pharma Commercial LLC | 3 | $21 |
| Merck | 1 | $17 |
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
$2,601 in reported general payments places this provider in the 80th percentile of 3,784 obstetrics & gynecology providers in California.
Most prescribed under Part D
| Drug | Claims | Cost to plans & patients |
|---|---|---|
| Estradiol | 15 | $924 |
Paid to pharmacies, not to this prescriber.
Other obstetrics & gynecology in Visalia
- Steve YuNorthridge$964K
- Samir HageRedlands$640K
- Malcolm MunroLos Angeles$609K
- Michael KrychmanCosta Mesa$547K
- Anita NelsonTorrance$530K
- Jan SegnitzSan Jose$511K
- Risa KaganBerkeley$497K
- Michael GreenOxnard$424K
- Howard SalvaySanta Cruz$421K
- Marc WinterLaguna Hills$399K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.