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

ALEXANDER CHEN

Allopathic & Osteopathic Physicians Anesthesiology

NPI
1992209225
CMS profile
11421846
Location
LOS ANGELES, CA

General Payments · PY2022–2024

$7,375.46

  • Reported across 91 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$4,907.65

67 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 $2,947.55 57
Travel and Lodging $1,960.10 10

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
Medtronic, Inc. $3,233.19 51
Abbott Laboratories $903.25 8
BOSTON SCIENTIFIC CORPORATION $364.66 5
SPR Therapeutics, Inc $272.14 2
Nalu Medical, Inc. $134.41 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2022 $668.03 7
PY2023 $1,799.78 17
PY2024 $4,907.65 67

Payment records · PY2024 (67)

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

Program year 2024 20222023 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 $99.44 05/15/2024 Food and Beverage Undisputed 01/23/2026 1125377773 CMS
Abbott Laboratories $97.45 09/20/2024 Food and Beverage Undisputed 01/23/2026 1125377777 CMS
Abbott Laboratories $42.48 09/20/2024 Food and Beverage Undisputed 01/23/2026 1125377781 CMS
Abbott Laboratories $91.05 11/14/2024 Food and Beverage Undisputed 01/23/2026 1125377784 CMS
Abbott Laboratories $293.93 12/12/2024 Travel and Lodging Undisputed 01/23/2026 1125446766 CMS
Abbott Laboratories $257.87 12/12/2024 Travel and Lodging Undisputed 01/23/2026 1125446768 CMS
Abbott Laboratories $9.02 12/12/2024 Travel and Lodging Undisputed 01/23/2026 1125446770 CMS
Abbott Laboratories $12.01 12/13/2024 Food and Beverage Undisputed 01/23/2026 1125377788 CMS
Boston Scientific Corporation $20.00 06/19/2024 Food and Beverage Undisputed 01/23/2026 1092693609 CMS
Boston Scientific Corporation $121.43 06/24/2024 Food and Beverage Undisputed 01/23/2026 1092693617 CMS
Boston Scientific Corporation $31.73 08/22/2024 Food and Beverage Undisputed 01/23/2026 1092693611 CMS
Boston Scientific Corporation $83.04 09/24/2024 Food and Beverage Undisputed 01/23/2026 1092693613 CMS
Boston Scientific Corporation $108.46 12/16/2024 Food and Beverage Undisputed 01/23/2026 1092693615 CMS
Medtronic, Inc. $32.11 01/09/2024 Food and Beverage Undisputed 01/23/2026 1119581709 CMS
Medtronic, Inc. $58.30 01/16/2024 Travel and Lodging Undisputed 01/23/2026 1119581711 CMS
Medtronic, Inc. $557.41 01/16/2024 Travel and Lodging Undisputed 01/23/2026 1119581713 CMS
Medtronic, Inc. $143.31 02/02/2024 Food and Beverage Undisputed 01/23/2026 1119581715 CMS
Medtronic, Inc. $215.00 02/02/2024 Travel and Lodging Undisputed 01/23/2026 1119581719 CMS
Medtronic, Inc. $35.83 02/02/2024 Travel and Lodging Undisputed 01/23/2026 1119581721 CMS
Medtronic, Inc. $160.84 02/02/2024 Food and Beverage Undisputed 01/23/2026 1119581723 CMS
Medtronic, Inc. $37.44 02/03/2024 Food and Beverage Undisputed 01/23/2026 1119581717 CMS
Medtronic, Inc. $51.80 02/03/2024 Food and Beverage Undisputed 01/23/2026 1119581725 CMS
Medtronic, Inc. $30.85 02/03/2024 Food and Beverage Undisputed 01/23/2026 1119581727 CMS
Medtronic, Inc. $19.83 02/03/2024 Food and Beverage Undisputed 01/23/2026 1119581729 CMS
Medtronic, Inc. $70.53 02/03/2024 Food and Beverage Undisputed 01/23/2026 1119581731 CMS
Medtronic, Inc. $15.76 02/03/2024 Food and Beverage Undisputed 01/23/2026 1119581735 CMS
Medtronic, Inc. $24.27 02/22/2024 Food and Beverage Undisputed 01/23/2026 1119581733 CMS
Medtronic, Inc. $39.09 03/01/2024 Food and Beverage Undisputed 01/23/2026 1119581737 CMS
Medtronic, Inc. $348.50 04/09/2024 Travel and Lodging Undisputed 01/23/2026 1119581739 CMS
Medtronic, Inc. $34.25 04/09/2024 Travel and Lodging Undisputed 01/23/2026 1119581741 CMS
Medtronic, Inc. $6.42 04/17/2024 Food and Beverage Undisputed 01/23/2026 1119581745 CMS
Medtronic, Inc. $25.00 04/19/2024 Food and Beverage Undisputed 01/23/2026 1112057982 CMS
Medtronic, Inc. $149.99 04/19/2024 Travel and Lodging Undisputed 01/23/2026 1112057984 CMS
Medtronic, Inc. $191.68 04/19/2024 Food and Beverage Undisputed 01/23/2026 1119581743 CMS
Medtronic, Inc. $27.76 04/19/2024 Food and Beverage Undisputed 01/23/2026 1119581755 CMS
Medtronic, Inc. $40.00 04/20/2024 Food and Beverage Undisputed 01/23/2026 1112071817 CMS
Medtronic, Inc. $54.00 04/20/2024 Food and Beverage Undisputed 01/23/2026 1112071855 CMS
Medtronic, Inc. $25.00 04/20/2024 Food and Beverage Undisputed 01/23/2026 1112071893 CMS
Medtronic, Inc. $28.55 05/09/2024 Food and Beverage Undisputed 01/23/2026 1119581747 CMS
Medtronic, Inc. $31.74 05/12/2024 Food and Beverage Undisputed 01/23/2026 1119581749 CMS
Medtronic, Inc. $24.67 05/20/2024 Food and Beverage Undisputed 01/23/2026 1119581751 CMS
Medtronic, Inc. $49.49 05/31/2024 Food and Beverage Undisputed 01/23/2026 1119581753 CMS
Medtronic, Inc. $82.09 06/20/2024 Food and Beverage Undisputed 01/23/2026 1119581757 CMS
Medtronic, Inc. $37.03 06/24/2024 Food and Beverage Undisputed 01/23/2026 1119581759 CMS
Medtronic, Inc. $30.10 07/12/2024 Food and Beverage Undisputed 01/23/2026 1119581761 CMS
Medtronic, Inc. $5.34 07/17/2024 Food and Beverage Undisputed 01/23/2026 1119581763 CMS
Medtronic, Inc. $39.84 07/31/2024 Food and Beverage Undisputed 01/23/2026 1119581765 CMS
Medtronic, Inc. $48.23 08/22/2024 Food and Beverage Undisputed 01/23/2026 1119581773 CMS
Medtronic, Inc. $35.28 09/03/2024 Food and Beverage Undisputed 01/23/2026 1119581767 CMS
Medtronic, Inc. $8.38 09/11/2024 Food and Beverage Undisputed 01/23/2026 1119581771 CMS
Medtronic, Inc. $1.85 09/12/2024 Food and Beverage Undisputed 01/23/2026 1119581769 CMS
Medtronic, Inc. $144.07 09/26/2024 Food and Beverage Undisputed 01/23/2026 1119581775 CMS
Medtronic, Inc. $31.26 10/01/2024 Food and Beverage Undisputed 01/23/2026 1119581777 CMS
Medtronic, Inc. $19.46 10/09/2024 Food and Beverage Undisputed 01/23/2026 1119581785 CMS
Medtronic, Inc. $6.08 10/28/2024 Food and Beverage Undisputed 01/23/2026 1119581779 CMS
Medtronic, Inc. $12.80 10/28/2024 Food and Beverage Undisputed 01/23/2026 1119581781 CMS
Medtronic, Inc. $30.85 10/29/2024 Food and Beverage Undisputed 01/23/2026 1119581787 CMS
Medtronic, Inc. $19.57 10/31/2024 Food and Beverage Undisputed 01/23/2026 1119581783 CMS
Medtronic, Inc. $26.22 11/06/2024 Food and Beverage Undisputed 01/23/2026 1119581795 CMS
Medtronic, Inc. $56.36 11/11/2024 Food and Beverage Undisputed 01/23/2026 1119581789 CMS
Medtronic, Inc. $18.14 11/19/2024 Food and Beverage Undisputed 01/23/2026 1119581797 CMS
Medtronic, Inc. $10.78 11/23/2024 Food and Beverage Undisputed 01/23/2026 1119581791 CMS
Medtronic, Inc. $26.07 12/02/2024 Food and Beverage Undisputed 01/23/2026 1119581793 CMS
Medtronic, Inc. $13.97 12/24/2024 Food and Beverage Undisputed 01/23/2026 1119581799 CMS
Nalu Medical, Inc. $134.41 09/24/2024 Food and Beverage Undisputed 01/23/2026 1133982921 CMS
SPR Therapeutics, Inc $128.59 05/02/2024 Food and Beverage Undisputed 01/23/2026 1104931411 CMS
SPR Therapeutics, Inc $143.55 06/25/2024 Food and Beverage Undisputed 01/23/2026 1104935840 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
2022, 2023, 2024
Source files
Dataset page · Bulk file · PY2022 , PY2023 , PY2024
Generated from
OP_DTL_GNRL_PGYR2024_P01232026_01102026.csv

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