NATHANIEL TODNEM
Allopathic & Osteopathic Physicians|Neurological Surgery LOUISVILLE, KY NPI 1144584004
Browse related groups: Allopathic & Osteopathic Physicians|Neurological Surgery KY Alexion Pharmaceuticals, Inc. All categories
General Payments — all program years on this page
$3,573.81
- Category: General Payments
- Program years: PY2018–2024
- Record count: 68
- As of (CMS publication): 2026-01-23
Latest program year (PY2024): $505.71 across 23 records · disputed records: 0
Financial relationships do not necessarily indicate an improper relationship; the data is open to interpretation.
How this figure is 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
Latest program year (PY2024) · sorted by reported total.
| Nature of payment | Amount | Records |
|---|---|---|
| Food and Beverage | $505.71 | 23 |
By paying entity
Latest program year (PY2024) · sorted by reported total.
| Paying entity | Amount | Records |
|---|---|---|
| Alexion Pharmaceuticals, Inc. | $115.34 | 5 |
| EISAI INC. | $63.88 | 3 |
| CATALYST PHARMACEUTICALS, INC. | $51.19 | 2 |
| Neurelis, Inc. | $47.98 | 2 |
| ABBVIE INC. | $31.61 | 1 |
| Takeda Pharmaceuticals U.S.A., Inc. | $29.03 | 1 |
| Octapharma USA, Inc. | $23.83 | 1 |
| CSL Behring | $21.61 | 1 |
| EMD Serono, Inc. | $21.04 | 1 |
| UCB, Inc. | $19.90 | 1 |
| Lundbeck LLC | $18.64 | 1 |
| Imperative Care, INc | $16.51 | 1 |
| BANNER LIFE SCIENCES, LLC | $15.64 | 1 |
| NOVARTIS PHARMACEUTICALS CORPORATION | $15.40 | 1 |
| TG THERAPEUTICS, INC. | $14.11 | 1 |
By program year
Records — PY2024 (23)
Provenance & corrections
- Dataset: CMS Open Payments — General Payments
- Source: CMS Open Payments dataset (bulk file)
- Publisher of source data: Centers for Medicare & Medicaid Services
- 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.