Covered recipient · General Payments record
ROBERT MCMAHON
Allopathic & Osteopathic Physicians Psychiatry & Neurology Neurology
General Payments · PY2018–2024
$8,829.93
- Reported across 456 records
- CMS publication 2026-01-23
Financial relationships do not necessarily indicate an improper relationship; the data is open to interpretation.
How these totals are calculated
- The total is the sum of the General Payments records CMS published for the labeled program year(s), exactly as published. Nothing is estimated, weighted, or combined across categories.
- General Payments only. Research and Ownership/Investment are separate datasets and are never summed with these figures; amounts are kept separate per program year.
- Featured-page threshold (a presentation gate, not a judgment): records>=3 OR total>=100 (all years).
- Methodology & Data — sourcing, labeling, and limitations.
By nature of payment
PY2024 · sorted by reported total
| Nature of payment | Amount | Records |
|---|---|---|
| Food and Beverage | $2,109.97 | 102 |
By paying entity
PY2024 · sorted by reported total
| Paying entity | Amount | Records |
|---|---|---|
| ABBVIE INC. | $383.26 | 19 |
| Lilly USA, LLC | $140.31 | 7 |
| Lundbeck LLC | $139.74 | 10 |
| Celgene Corporation | $133.07 | 16 |
| TG THERAPEUTICS, INC. | $132.40 | 2 |
| UCB, Inc. | $120.51 | 4 |
| EISAI INC. | $107.23 | 3 |
| NOVARTIS PHARMACEUTICALS CORPORATION | $99.70 | 4 |
| SK Life Science, Inc. | $85.41 | 3 |
| Alexion Pharmaceuticals, Inc. | $80.32 | 4 |
| Merz Pharmaceuticals, LLC | $74.75 | 3 |
| EMD Serono, Inc. | $72.70 | 3 |
| Mallinckrodt Hospital Products Inc. | $69.62 | 2 |
| Genentech USA, Inc. | $62.56 | 3 |
| ARGENX US, INC. | $55.18 | 2 |
| PFIZER INC. | $54.56 | 3 |
| LivaNova USA, Inc. | $47.25 | 2 |
| MDD US Operations, LLC | $45.66 | 2 |
| Otsuka America Pharmaceutical, Inc. | $35.14 | 2 |
| Neurelis, Inc. | $33.18 | 2 |
| CATALYST PHARMACEUTICALS, INC. | $29.89 | 1 |
| Biogen, Inc. | $28.08 | 1 |
| E.R. Squibb & Sons, L.L.C. | $27.20 | 1 |
| Acerta Pharma LLC | $20.58 | 1 |
| Kyowa Kirin, Inc. | $15.85 | 1 |
| Neurocrine BioSciences, Inc. | $15.82 | 1 |
By program year
All program years on this page · sorted by year
Payment records · PY2024 (102)
Sorted by paying entity, then date · as published by CMS
Source & provenance
- Dataset
- CMS Open Payments — General Payments
- Publisher of source data
- Centers for Medicare & Medicaid Services
- CMS publication date
- 2026-01-23
- Program years on this page
- 2018, 2019, 2020, 2021, 2022, 2023, 2024
- Source files
- Dataset page · Bulk file · PY2018 , PY2019 , PY2020 , PY2021 , PY2022 , PY2023 , PY2024
- Generated from
- OP_DTL_GNRL_PGYR2024_P01232026_01102026.csv
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Corrections to the substance of a record route to CMS through its review-and-dispute process; errors in how this site mirrors or displays a record route to us. Both paths are described in Methodology & Data.