Official source Data mirrored from Centers for Medicare & Medicaid Services Open Payments · General Payments · as published 2026-01-23 View official record Methodology

Covered recipient · General Payments record

HAMILTON T CHEN

Allopathic & Osteopathic Physicians Physical Medicine & Rehabilitation Pain Medicine

NPI
1700019528
CMS profile
303579
Location
RIVERSIDE, CA

General Payments · PY2018–2024

$7,991.45

  • Reported across 226 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$1,228.62

38 records · 0 disputed

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 paymentAmountRecords
Food and Beverage $1,228.62 38

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $2,011.38 64
PY2019 $1,272.84 29
PY2020 $341.94 15
PY2021 $331.82 15
PY2022 $1,061.98 31
PY2023 $1,742.87 34
PY2024 $1,228.62 38

Payment records · PY2024 (38)

Sorted by paying entity, then date · as published by CMS

Program year 2024 201820192020202120222023 Record-level detail is published for PY2024; earlier years are summarised in “By program year”.
Paying entity Amount Date Nature of payment Dispute status Published Record ID Source
Abbott Laboratories $3.72 03/05/2024 Food and Beverage Undisputed 01/23/2026 1125206084 CMS
Abbott Laboratories $7.97 04/01/2024 Food and Beverage Undisputed 01/23/2026 1125206078 CMS
Abbott Laboratories $149.96 05/13/2024 Food and Beverage Undisputed 01/23/2026 1125206080 CMS
Abbott Laboratories $56.96 07/22/2024 Food and Beverage Undisputed 01/23/2026 1125206082 CMS
Abbott Laboratories $10.10 09/03/2024 Food and Beverage Undisputed 01/23/2026 1125206086 CMS
Abbott Laboratories $17.33 10/16/2024 Food and Beverage Undisputed 01/23/2026 1125206088 CMS
Abbott Laboratories $57.04 10/16/2024 Food and Beverage Undisputed 01/23/2026 1125206090 CMS
Abbott Laboratories $14.36 12/10/2024 Food and Beverage Undisputed 01/23/2026 1125206092 CMS
Abbott Laboratories $14.92 12/12/2024 Food and Beverage Undisputed 01/23/2026 1125206094 CMS
Boston Scientific Corporation $35.50 01/09/2024 Food and Beverage Undisputed 01/23/2026 1092717830 CMS
Boston Scientific Corporation $11.92 02/27/2024 Food and Beverage Undisputed 01/23/2026 1069133194 CMS
Boston Scientific Corporation $14.65 02/28/2024 Food and Beverage Undisputed 01/23/2026 1092717816 CMS
Boston Scientific Corporation $5.40 04/17/2024 Food and Beverage Undisputed 01/23/2026 1092717808 CMS
Boston Scientific Corporation $18.97 04/23/2024 Food and Beverage Undisputed 01/23/2026 1092717822 CMS
Boston Scientific Corporation $11.69 05/08/2024 Food and Beverage Undisputed 01/23/2026 1092717814 CMS
Boston Scientific Corporation $15.85 05/08/2024 Food and Beverage Undisputed 01/23/2026 1092717818 CMS
Boston Scientific Corporation $25.92 06/04/2024 Food and Beverage Undisputed 01/23/2026 1092717828 CMS
Boston Scientific Corporation $17.78 06/11/2024 Food and Beverage Undisputed 01/23/2026 1092717820 CMS
Boston Scientific Corporation $22.68 08/12/2024 Food and Beverage Undisputed 01/23/2026 1092717824 CMS
Boston Scientific Corporation $53.94 08/12/2024 Food and Beverage Undisputed 01/23/2026 1092717832 CMS
Boston Scientific Corporation $7.21 09/11/2024 Food and Beverage Undisputed 01/23/2026 1092717812 CMS
Boston Scientific Corporation $6.40 09/17/2024 Food and Beverage Undisputed 01/23/2026 1092717810 CMS
Boston Scientific Corporation $110.64 09/17/2024 Food and Beverage Undisputed 01/23/2026 1092717836 CMS
Boston Scientific Corporation $24.22 09/23/2024 Food and Beverage Undisputed 01/23/2026 1092717826 CMS
Boston Scientific Corporation $59.27 10/05/2024 Food and Beverage Undisputed 01/23/2026 1092717834 CMS
Collegium Pharmaceutical, Inc. $22.35 10/11/2024 Food and Beverage Undisputed 01/23/2026 1135311310 CMS
Collegium Pharmaceutical, Inc. $17.33 11/05/2024 Food and Beverage Undisputed 01/23/2026 1135321776 CMS
Curonix LLC $23.84 10/01/2024 Food and Beverage Undisputed 01/23/2026 1132906146 CMS
IBSA Pharma Inc. $15.97 01/15/2024 Food and Beverage Undisputed 01/23/2026 1142982428 CMS
Medline Industries LP $17.82 01/11/2024 Food and Beverage Undisputed 01/23/2026 1144136676 CMS
Nevro Corp. $17.74 03/25/2024 Food and Beverage Undisputed 01/23/2026 1130733485 CMS
Nevro Corp. $15.18 08/26/2024 Food and Beverage Undisputed 01/23/2026 1130733487 CMS
Saluda Medical Americas, Inc. $185.73 10/03/2024 Food and Beverage Undisputed 01/23/2026 1093674904 CMS
SI-BONE, INC. $26.78 08/19/2024 Food and Beverage Undisputed 01/23/2026 1120070784 CMS
SPR Therapeutics, Inc $19.34 06/13/2024 Food and Beverage Undisputed 01/23/2026 1104935860 CMS
VERTEX PHARMACEUTICALS INCORPORATED $34.63 10/17/2024 Food and Beverage Undisputed 01/23/2026 1105921415 CMS
VERTEX PHARMACEUTICALS INCORPORATED $33.07 11/18/2024 Food and Beverage Undisputed 01/23/2026 1105913868 CMS
Virtus Pharmaceuticals LLC $24.44 08/15/2024 Food and Beverage Undisputed 01/23/2026 1112835922 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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