Covered recipient · General Payments record
BYRON CHEON
This page merges CMS profile IDs 11423475, 11690743 — associated profiles published by CMS for the same covered recipient. See the colophon below.
General Payments · PY2022–2025
$1,363.53
- Reported across 36 records
- CMS publication 2026-06-30
Financial relationships do not necessarily indicate an improper relationship; the data is open to interpretation.
How these totals are calculated
- This total is the sum of the individual General Payments record amounts CMS published for the labeled program year(s); each record amount is used unmodified. The total itself is computed by this site. 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
PY2025 · sorted by reported total
| Nature of payment | Amount | Records |
|---|---|---|
| Food and Beverage | $1,004.36 | 23 |
| Consulting Fee | $124.62 | 1 |
By paying entity
PY2025 · sorted by reported total
| Paying entity | Amount | Records |
|---|---|---|
| Amgen Inc. | $364.72 | 11 |
| EMD Serono, Inc. | $236.68 | 2 |
| Alexion Pharmaceuticals, Inc. | $132.67 | 2 |
| Octapharma USA, Inc. | $124.62 | 1 |
| ARGENX US, INC. | $107.14 | 1 |
| ABBVIE INC. | $98.65 | 4 |
| Abbott Laboratories | $22.03 | 1 |
| Acerta Pharma LLC | $21.29 | 1 |
| Neurelis, Inc. | $21.18 | 1 |
By program year
All program years on this page · sorted by year
Payment records · PY2025 (24)
Ordering applied by this site (paying entity, then date) · record values are shown as CMS published them
| Paying entity | Amount | Date | Nature of payment | Dispute status | Published | Record ID | Source |
|---|---|---|---|---|---|---|---|
| Abbott Laboratories | $22.03 | 04/08/2025 | Food and Beverage | Undisputed | 06/30/2026 | 1239790245 | CMS |
| ABBVIE INC. | $26.95 | 03/25/2025 | Food and Beverage | Undisputed | 06/30/2026 | 1201646784 | CMS |
| ABBVIE INC. | $24.00 | 05/07/2025 | Food and Beverage | Undisputed | 06/30/2026 | 1201646786 | CMS |
| ABBVIE INC. | $27.20 | 06/11/2025 | Food and Beverage | Undisputed | 06/30/2026 | 1201646788 | CMS |
| ABBVIE INC. | $20.50 | 09/13/2025 | Food and Beverage | Undisputed | 06/30/2026 | 1201646790 | CMS |
| Alexion Pharmaceuticals, Inc. | $106.64 | 06/05/2025 | Food and Beverage | Undisputed | 06/30/2026 | 1211400464 | CMS |
| Alexion Pharmaceuticals, Inc. | $26.03 | 12/17/2025 | Food and Beverage | Undisputed | 06/30/2026 | 1211398674 | CMS |
| Amgen Inc. | $21.68 | 01/06/2025 | Food and Beverage | Undisputed | 06/30/2026 | 1228390996 | CMS |
| Amgen Inc. | $17.77 | 01/23/2025 | Food and Beverage | Undisputed | 06/30/2026 | 1228391000 | CMS |
| Amgen Inc. | $12.17 | 02/18/2025 | Food and Beverage | Undisputed | 06/30/2026 | 1227246148 | CMS |
| Amgen Inc. | $107.03 | 02/28/2025 | Food and Beverage | Undisputed | 06/30/2026 | 1228390998 | CMS |
| Amgen Inc. | $17.52 | 04/03/2025 | Food and Beverage | Undisputed | 06/30/2026 | 1228390994 | CMS |
| Amgen Inc. | $13.04 | 05/21/2025 | Food and Beverage | Undisputed | 06/30/2026 | 1227246150 | CMS |
| Amgen Inc. | $10.82 | 05/23/2025 | Food and Beverage | Undisputed | 06/30/2026 | 1227246146 | CMS |
| Amgen Inc. | $105.40 | 06/13/2025 | Food and Beverage | Undisputed | 06/30/2026 | 1228390992 | CMS |
| Amgen Inc. | $23.37 | 08/07/2025 | Food and Beverage | Undisputed | 06/30/2026 | 1228390988 | CMS |
| Amgen Inc. | $8.09 | 08/13/2025 | Food and Beverage | Undisputed | 06/30/2026 | 1227246144 | CMS |
| Amgen Inc. | $27.83 | 09/03/2025 | Food and Beverage | Undisputed | 06/30/2026 | 1228390990 | CMS |
| ARGENX US, INC. | $107.14 | 05/20/2025 | Food and Beverage | Undisputed | 06/30/2026 | 1240428366 | CMS |
| AstraZeneca Pharmaceuticals LP | $21.29 | 04/09/2025 | Food and Beverage | Undisputed | 06/30/2026 | 1214788679 | CMS |
| EMD Serono, Inc. | $106.17 | 02/13/2025 | Food and Beverage | Undisputed | 06/30/2026 | 1236868268 | CMS |
| EMD Serono, Inc. | $130.51 | 04/07/2025 | Food and Beverage | Undisputed | 06/30/2026 | 1236868628 | CMS |
| Neurelis, Inc. | $21.18 | 04/16/2025 | Food and Beverage | Undisputed | 06/30/2026 | 1219187455 | CMS |
| Octapharma USA, Inc. | $124.62 | 05/21/2025 | Consulting Fee | Undisputed | 06/30/2026 | 1245076093 | CMS |
Source & provenance
- Dataset
- CMS Open Payments — General Payments
- Publisher of source data
- Centers for Medicare & Medicaid Services
- CMS publication date
- 2026-06-30
- Program years on this page
- 2022, 2024, 2025
- Source files
- Dataset page · Bulk file · PY2022 , PY2024 , PY2025
- Generated from
- OP_DTL_GNRL_PGYR2025_P06302026_06032026.csv
- Merged CMS profile IDs
- 11423475, 11690743
One page per canonical provider; split Profile_IDs are merged via Associated_Covered_Recipient_Profile_ID_1/_2 from the Covered Recipient Profile Supplement.
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.