Kristin Castorino
Internal Medicine · Santa Barbara, CANPI 1396879920
Payments from drug & device makers
What this record shows
This record is dominated by speaking fees: $68,828 of the $100,174 with a category attached, or 68.7%. Dexcom, Inc. accounts for 64.6% of it on its own, with 10 other manufacturers making up the rest. 2025 is the largest year on record at $35,311, 5.0 times the $7,124 reported in 2019. Among internal medicine clinicians in CA with any reported payments, this total sits in the top 5% — high for the specialty, which is a reason to read the composition above rather than the number alone.
Across 144 payments — averaging $695.65 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Dexcom, Inc.$65K
- Insulet Corporation$21K
- Abbott$6K
- Mannkind Corporation$4K
- Eli Lilly$3K
- Tandem Diabetes Care, Inc.$2K
- plus $1K from 5 others
Across 985 payments — averaging $10,978 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.
- Abbott$5.1M
- Dexcom, Inc.$2.7M
- Medtronic$1.9M
- Eli Lilly$511K
- Insulet Corporation$404K
- Sequel Med Tech, LLC$171K
- plus $110K from 2 others
What the payments were for
- Consulting fees$15,47015%
- Speaking & faculty fees$68,82869%
- Travel & lodging$11,20011%
- Food & beverage$4,4404%
- Education$2360%
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 |
|---|---|---|
| Dexcom, Inc. | 52 | $64,757 |
| Insulet Corporation | 30 | $20,845 |
| Abbott | 12 | $5,678 |
| Mannkind Corporation | 22 | $3,522 |
| Eli Lilly | 1 | $2,600 |
| Tandem Diabetes Care, Inc. | 10 | $1,639 |
| Medtronic | 3 | $387 |
| Novo Nordisk | 10 | $313 |
| Sequel Med Tech, LLC | 2 | $189 |
| Gilead | 1 | $124 |
| Ascensia Diabetes Care US Inc. | 1 | $120 |
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.
- DEXCOM G7 GSS (161)$57,846
- Omnipod$20,348
- DEXCOM STELO GLUCOSE BIOSENSOR$15,720
- FreeStyle Libre$5,433
- DEXCOM G6 CGM SYSTEM$3,663
- AFREZZA$2,938
- DEXCOM G6 TRANSMITTER$2,469
- t-slim insulin pump$1,150
- MINIMED 780G$375
- t:slim X2 Insulin Pump with Control-IQ$227
- TWIIST$172
- DEXCOM CGM$125
How this compares
$100,174 in reported general payments places this provider in the 95th percentile of 13,581 internal medicine providers in California.
Other internal medicine in Santa Barbara
- Andrew ChengSouth San Francisco$55.1M
- Tung NgoNewport Beach$4.9M
- Christian EversullStanford$2.9M
- Christian SandrockSacramento$2.1M
- Hatim HusainSan Diego$2M
- Teck LingPalo Alto$1.1M
- Hyong Kimla Jolla$1M
- Rohit Loombala Jolla$965K
- Fred CohenSan Francisco$929K
- Steven EdelmanSan Diego$863K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.