Ron Gaba, MD
Vascular & Interventional Radiology · Chicago, ILNPI 1053584862
Payments from drug & device makers
What this record shows
This record is dominated by consulting fees: $3,600 of the $5,273 with a category attached, or 68.3%. Guerbet LLC accounts for 77.5% of it on its own, with 11 other manufacturers making up the rest. Reporting peaked in 2022 at $3,764 and has fallen 86.5% since, to $507 in 2025.
Across 23 payments — averaging $229.25 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Guerbet LLC$4K
- Penumbra, Inc.$314
- Cook Medical LLC$268
- Bard Peripheral Vascular, Inc.$179
- Boston Scientific$120
- ABK Biomedical USA, Inc.$115
- plus $190 from 6 others
Across 3 payments — averaging $158,388 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.
- Guerbet LLC$475K
What the payments were for
- Consulting fees$3,60068%
- Travel & lodging$491%
- Food & beverage$1,62331%
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 |
|---|---|---|
| Guerbet LLC | 4 | $4,087 |
| Penumbra, Inc. | 2 | $314 |
| Cook Medical LLC | 3 | $268 |
| Bard Peripheral Vascular, Inc. | 2 | $179 |
| Boston Scientific | 4 | $120 |
| ABK Biomedical USA, Inc. | 1 | $115 |
| Trisalus Life Sciences, Inc. | 1 | $49 |
| Terumo Medical Corporation | 2 | $39 |
| Siemens Medical Solutions USA, Inc. | 1 | $32 |
| Medtronic | 1 | $29 |
| Sirtex Medical Inc | 1 | $25 |
| GE HealthCare | 1 | $15 |
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.
- Lipiodol$4,087
- Indigo System$314
- Rosch-Uchida$125
- Eye90 microspheres$115
How this compares
$5,273 in reported general payments places this provider in the 60th percentile of 197 vascular & interventional radiology providers in Illinois.
See all vascular & interventional radiology 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.
Other vascular & interventional radiology in Chicago
- Riad SalemChicago$2.3M
- Kush DesaiChicago$1M
- Robert LewandowskiChicago$954K
- Christopher MolvarChicago$850K
- Sreekumar MadasseryChicago$459K
- Bulent ArslanChicago$300K
- Sameer AnsariChicago$161K
- Ahsun RiazChicago$127K
- Ramona GuptaChicago$72K
- Scott ResnickChicago$38K
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.