Robert Sonnenburg, MD
Otolaryngology · Green Bay, WINPI 1972588176
Payments from drug & device makers
What this record shows
Inspire Medical Systems, Inc. accounts for 77.4% of it on its own, with 5 other manufacturers making up the rest. Reporting peaked in 2019 at $1,254 and has fallen 80.5% since, to $244 in 2025.
Across 35 payments — averaging $77.37 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Inspire Medical Systems, Inc.$2K
- Medtronic$247
- Intersect ENT, Inc.$150
- GSK$100
- Aerin Medical Inc.$100
- Sanofi$16
What the payments were for
- Travel & lodging$1,14542%
- Food & beverage$1,56358%
Most of this is food and beverage — typically meals provided during product presentations at a clinic or hospital. Nationally that is the single largest category of reported payments by count.
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 |
|---|---|---|
| Inspire Medical Systems, Inc. | 19 | $2,095 |
| Medtronic | 7 | $247 |
| Intersect ENT, Inc. | 3 | $150 |
| GSK | 3 | $100 |
| Aerin Medical Inc. | 2 | $100 |
| Sanofi | 1 | $16 |
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.
- Inspire Upper Airway Stimulation System$1,545
- Inspire$228
- SINUVA$131
- PROPEL$102
How this compares
$2,708 in reported general payments places this provider in the 85th percentile of 168 otolaryngology providers in Wisconsin.
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 |
|---|---|---|
| Mometasone Furoate | 12 | $2,030 |
| Fluticasone Propionate | 92 | $1,282 |
| Cephalexin | 46 | $246 |
| Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav | 17 | $211 |
| Hydrocodone-AcetaminophenHydrocodone/Acetaminophen | 32 | $105 |
| Prednisone | 14 | $45 |
| Trazodone Hcl | 11 | $23 |
| Diazepam | 12 | $19 |
Paid to pharmacies, not to this prescriber.
Other otolaryngology in Green Bay
- Michael OldenburgGreen Bay$8K
- Jon SlezakGreen Bay$3K
- Douglas DawsonGreen Bay$2K
- Sarah TittmanGreen Bay$1K
- Scott HuntGreen Bay$955
- Jason BrantMadison$103K
- B WoodsonMilwaukee$45K
- Thomas Gessertla Crosse$21K
- Colleen PleinKenosha$16K
- Steven SperryGreenfield$13K
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.