Lily Chao
Pediatric Endocrinology · Los Angeles, CANPI 1508031352
Payments from drug & device makers
What this record shows
The money is spread across several categories — consulting fees (45.2%), speaking fees and food and beverage — rather than concentrated in one kind of arrangement. 9 manufacturers reported payments, led by Sanofi-aventis U.S. LLC at 48.4% of the total. 2025 is the largest year on record at $5,372, 9.1 times the $590 reported in 2019.
Across 34 payments — averaging $183.90 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Sanofi-aventis U.S. LLC$3K
- Mannkind Corporation$2K
- Merck$590
- Abbott$275
- Novo Nordisk$45
- Dexcom, Inc.$39
- plus $68 from 3 others
Across 4,198 payments — averaging $525.33 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$1M
- Novo Nordisk AS$562K
- Merck$541K
- Takeda Pharmaceuticals U.S.A., Inc.$90K
- Dexcom, Inc.$9K
What the payments were for
- Consulting fees$2,82545%
- Speaking & faculty fees$2,12534%
- Travel & lodging$3295%
- Food & beverage$97316%
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 |
|---|---|---|
| Sanofi-aventis U.S. LLC | 3 | $3,025 |
| Mannkind Corporation | 2 | $2,210 |
| Merck | 9 | $590 |
| Abbott | 13 | $275 |
| Novo Nordisk | 2 | $45 |
| Dexcom, Inc. | 2 | $39 |
| Tolmar, Inc. | 1 | $29 |
| BETA Bionics, Inc. | 1 | $21 |
| Insulet Corporation | 1 | $18 |
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
$6,253 in reported general payments places this provider in the 80th percentile of 168 pediatric endocrinology providers in California.
Other pediatric endocrinology in Los Angeles
- Francine KaufmanLos Angeles$184K
- Mitchell GeffnerLos Angeles$129K
- Alaina VidmarLos Angeles$29K
- Nancy ChangLos Angeles$14K
- Roshanak MonzaviLos Angeles$9K
- Christina RehLos Angeles$6K
- John ChingLos Angeles$4K
- Steven MittelmanLos Angeles$4K
- Pinchas CohenLos Angeles$3K
- Apisadaporn ThambunditLos Angeles$3K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.