Ronald Chochinov
Endocrinology, Diabetes & Metabolism · Ventura, CANPI 1730116930
Payments from drug & device makers
Across 1,947 payments — averaging $1455.58 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Eli Lilly$1.7M
- Novo Nordisk AS$744K
- Sanofi US Services Inc.$279K
- Sanofi-aventis U.S. LLC$50K
- Pfizer$11K
- Senseonics, Incorporated$6K
- plus $87 from 2 others
Across 8 payments — averaging $4332.07 each. Payments tied to a research study. These frequently flow through the physician to a hospital or research institution rather than to the physician personally.
- Eli Lilly$35K
What the payments were for
- Speaking & faculty fees$5,60098%
- Food & beverage$621%
- Education$651%
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 |
|---|---|---|
| Eli Lilly | 39 | $1,743,766 |
| Novo Nordisk AS | 1,659 | $744,081 |
| Sanofi US Services Inc. | 221 | $279,204 |
| Sanofi-aventis U.S. LLC | 8 | $50,347 |
| Pfizer | 5 | $10,893 |
| Senseonics, Incorporated | 12 | $5,640 |
| Novo Nordisk | 2 | $65 |
| Endo Pharmaceuticals Inc. | 1 | $22 |
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.
- Eversense$5,600
How this compares
$2,834,017 in reported general payments places this provider in the 95th percentile of 952 endocrinology, diabetes & metabolism providers in California.
See all endocrinology, diabetes & metabolism providers in California →
Most prescribed under Part D
| Drug | Claims | Cost to plans & patients |
|---|---|---|
| Gabapentin | 11 | $21 |
Paid to pharmacies, not to this prescriber.
Other endocrinology, diabetes & metabolism in Ventura
- Jerrold OlefskySan Diego$26.5M
- Mark ChristiansenWalnut Creek$22.9M
- Timothy BaileyEscondido$22.3M
- Stanley HsiaLos Angeles$19.8M
- Juan FriasSan Diego$14.1M
- Paul NorwoodFresno$6.2M
- Athena Philis-Tsimikasla Jolla$6M
- David AhnNewport Beach$5.8M
- Shlomo MelmedLos Angeles$3.3M
- Leila ChaychiSan Carlos$3.2M
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.