Diego di Sabato, MD
Transplant Surgery · Maywood, ILNPI 1376866913
Payments from drug & device makers
What this record shows
This record is dominated by education: $10,000 of the $12,721 with a category attached, or 78.6%. Intuitive Surgical accounts for 86.0% of it on its own, with 5 other manufacturers making up the rest. Reporting peaked in 2020 at $10,116 and has fallen 99.2% since, to $81 in 2025.
Across 23 payments — averaging $553.08 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Intuitive Surgical$11K
- AstraZeneca$2K
- Xvivo Perfusion Inc.$81
- Johnson & Johnson$40
- Organ Recovery Systems, Inc.$34
- W. L. Gore & Associates, Inc.$12
What the payments were for
- Consulting fees$1,61113%
- Travel & lodging$7116%
- Food & beverage$3993%
- Education$10,00079%
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 |
|---|---|---|
| Intuitive Surgical | 18 | $10,943 |
| AstraZeneca | 1 | $1,611 |
| Xvivo Perfusion Inc. | 1 | $81 |
| Johnson & Johnson | 1 | $40 |
| Organ Recovery Systems, Inc. | 1 | $34 |
| W. L. Gore & Associates, Inc. | 1 | $12 |
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.
- Da Vinci Surgical System$10,692
How this compares
$12,721 in reported general payments places this provider in the 80th percentile of 52 transplant surgery providers in Illinois.
Medicare billing
What this is not: this is the amount Original Medicare Part B allowed for services this provider billed in 2024. It is not their income. It excludes Medicare Advantage — now more than half of all Medicare enrollment — along with Medicaid and all commercial insurance, and it is gross practice revenue before staff, rent, supplies and malpractice premiums. CMS also suppresses any figure covering ten or fewer patients, so low-volume providers appear smaller than they are.
Most prescribed under Part D
| Drug | Claims | Cost to plans & patients |
|---|---|---|
| Valganciclovir Hcl | 13 | $2,506 |
| Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim | 35 | $239 |
| Famotidine | 17 | $194 |
| Prednisone | 14 | $94 |
| Pantoprazole Sodium | 18 | $65 |
Paid to pharmacies, not to this prescriber.
Other transplant surgery in Maywood
- Reynold Lopez-SolerMaywood$10K
- Raquel Garcia RocaMaywood$9K
- Burcin EkserMaywood$6K
- Jorge AlmarioMaywood$5K
- Lucia de GregorioMaywood$4K
- Oswaldo AguirreMaywood$1K
- Kristina LemonMaywood$481
- Castulo ValdezMaywood$71
- Naela AshrafMaywood$19
- Piotr WitkowskiChicago$235K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Billing: Medicare Physician & Other Practitioners, data year 2024. Original Medicare Part B only.
- Identity: NPPES NPI Registry, July 2026.