John Sonnenberg
Orthopaedic Surgery · Chicago, ILNPI 1609829050
Payments from drug & device makers
What this record shows
This record is dominated by travel and lodging: $1,613 of the $2,481 with a category attached, or 65.0%. Neurocrine Biosciences, Inc. accounts for 90.5% of it on its own, with 4 other manufacturers making up the rest. That places this record below the midpoint for orthopaedic surgery clinicians in IL, where the typical reported total is $3,100.
Across 16 payments — averaging $155.08 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Neurocrine Biosciences, Inc.$2K
- Alkermes, Inc.$118
- Active Medical, LLC$83
- Otsuka Pharmaceutical Development & Commercialization, Inc.$19
- ITI, Inc. (d/b/a Intra-cellular Therapies, Inc.)$15
Across 69 payments — averaging $10,267 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.
- Boehringer Ingelheim$640K
- E.r. Squibb & Sons, L.L.C.$52K
- Boehringer Ingelheim International GmbH$14K
- Boehringer Ingelheim RCV GmbH & Co KG$2K
- AbbVie$812
What the payments were for
- Travel & lodging$1,61365%
- Food & beverage$78532%
- Education$833%
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 |
|---|---|---|
| Neurocrine Biosciences, Inc. | 12 | $2,245 |
| Alkermes, Inc. | 1 | $118 |
| Active Medical, LLC | 1 | $83 |
| Otsuka Pharmaceutical Development & Commercialization, Inc. | 1 | $19 |
| ITI, Inc. (d/b/a Intra-cellular Therapies, Inc.) | 1 | $15 |
How this compares
$2,481 in reported general payments places this provider in the 45th percentile of 844 orthopaedic surgery providers in Illinois.
Other orthopaedic surgery in Chicago
- Aaron RosenbergChicago$12.4M
- Anish KadakiaChicago$2.1M
- Wellington HsuChicago$1.7M
- Ken YamaguchiChicago$1.7M
- Guido MarraChicago$1.2M
- Hue LuuChicago$1.1M
- Alpesh PatelChicago$917K
- Samuel StulbergChicago$852K
- Richard BergerChicago$618K
- Ari KazChicago$343K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.