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

MICHAEL P KOUMJIAN

Allopathic & Osteopathic Physicians Thoracic Surgery (Cardiothoracic Vascular Surgery)

NPI
1366403321
CMS profile
16661
Location
LA MESA, CA

General Payments · PY2018–2024

$27,968.14

  • Reported across 237 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$3,230.16

46 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 $2,109.30 38
Travel and Lodging $1,120.86 8

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
ABIOMED $1,017.15 13
Medical Device Business Services, Inc. $731.18 7
Medtronic, Inc. $453.24 4
Ethicon US, LLC $319.47 8
W. L. Gore & Associates, Inc. $205.05 4
Artivion, Inc. $137.14 3
BIOTRONIK INC. $126.04 2
Acerta Pharma LLC $121.36 1
ATRICURE, INC. $119.53 4

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $2,257.55 31
PY2019 $4,889.38 43
PY2020 $1,164.34 15
PY2021 $2,491.37 29
PY2022 $10,737.77 39
PY2023 $3,197.57 34
PY2024 $3,230.16 46

Payment records · PY2024 (46)

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
ABIOMED $124.70 02/01/2024 Food and Beverage Undisputed 01/23/2026 1142213174 CMS
ABIOMED $27.96 05/22/2024 Food and Beverage Undisputed 01/23/2026 1142213158 CMS
ABIOMED $22.12 08/13/2024 Food and Beverage Undisputed 01/23/2026 1142213190 CMS
ABIOMED $16.67 10/22/2024 Travel and Lodging Undisputed 01/23/2026 1142213288 CMS
ABIOMED $75.73 10/23/2024 Travel and Lodging Undisputed 01/23/2026 1142213252 CMS
ABIOMED $165.49 10/23/2024 Travel and Lodging Undisputed 01/23/2026 1142213260 CMS
ABIOMED $150.05 10/23/2024 Food and Beverage Undisputed 01/23/2026 1142213290 CMS
ABIOMED $32.24 10/24/2024 Food and Beverage Undisputed 01/23/2026 1142213278 CMS
ABIOMED $39.42 10/24/2024 Food and Beverage Undisputed 01/23/2026 1142213286 CMS
ABIOMED $254.34 10/27/2024 Travel and Lodging Undisputed 01/23/2026 1142213280 CMS
ABIOMED $36.25 10/27/2024 Travel and Lodging Undisputed 01/23/2026 1142213282 CMS
ABIOMED $36.33 10/27/2024 Travel and Lodging Undisputed 01/23/2026 1142213284 CMS
ABIOMED $35.85 11/12/2024 Food and Beverage Undisputed 01/23/2026 1142213238 CMS
Artivion, Inc. $12.50 03/05/2024 Food and Beverage Undisputed 01/23/2026 1145789083 CMS
Artivion, Inc. $11.79 04/10/2024 Food and Beverage Undisputed 01/23/2026 1145789577 CMS
Artivion, Inc. $112.85 05/22/2024 Food and Beverage Undisputed 01/23/2026 1145789859 CMS
AstraZeneca Pharmaceuticals LP $121.36 07/18/2024 Food and Beverage Undisputed 01/23/2026 1105717554 CMS
ATRICURE, INC. $24.40 03/27/2024 Food and Beverage Undisputed 01/23/2026 1132862837 CMS
ATRICURE, INC. $18.94 09/12/2024 Food and Beverage Undisputed 01/23/2026 1132894731 CMS
ATRICURE, INC. $36.78 10/03/2024 Food and Beverage Undisputed 01/23/2026 1132893521 CMS
ATRICURE, INC. $39.41 10/09/2024 Food and Beverage Undisputed 01/23/2026 1132891195 CMS
BIOTRONIK INC. $60.59 03/08/2024 Food and Beverage Undisputed 01/23/2026 1145809768 CMS
BIOTRONIK INC. $65.45 11/05/2024 Food and Beverage Undisputed 01/23/2026 1145809868 CMS
Ethicon US, LLC $38.49 01/28/2024 Food and Beverage Undisputed 01/23/2026 1077624154 CMS
Ethicon US, LLC $112.09 05/01/2024 Food and Beverage Undisputed 01/23/2026 1077624160 CMS
Ethicon US, LLC $37.65 05/02/2024 Food and Beverage Undisputed 01/23/2026 1077624166 CMS
Ethicon US, LLC $26.81 05/02/2024 Food and Beverage Undisputed 01/23/2026 1077624172 CMS
Ethicon US, LLC $14.78 05/03/2024 Food and Beverage Undisputed 01/23/2026 1077624164 CMS
Ethicon US, LLC $39.34 05/03/2024 Food and Beverage Undisputed 01/23/2026 1077624176 CMS
Ethicon US, LLC $27.44 09/13/2024 Food and Beverage Undisputed 01/23/2026 1077624174 CMS
Ethicon US, LLC $22.87 09/13/2024 Food and Beverage Undisputed 01/23/2026 1077624178 CMS
Medical Device Business Services, Inc. $38.91 05/02/2024 Travel and Lodging Undisputed 01/23/2026 1077753344 CMS
Medical Device Business Services, Inc. $7.96 05/02/2024 Food and Beverage Undisputed 01/23/2026 1077753347 CMS
Medical Device Business Services, Inc. $497.14 05/02/2024 Travel and Lodging Undisputed 01/23/2026 1077753354 CMS
Medical Device Business Services, Inc. $124.82 05/02/2024 Food and Beverage Undisputed 01/23/2026 1077753362 CMS
Medical Device Business Services, Inc. $15.05 05/03/2024 Food and Beverage Undisputed 01/23/2026 1077753341 CMS
Medical Device Business Services, Inc. $27.95 05/03/2024 Food and Beverage Undisputed 01/23/2026 1077753351 CMS
Medical Device Business Services, Inc. $19.35 05/03/2024 Food and Beverage Undisputed 01/23/2026 1077753358 CMS
Medtronic, Inc. $159.30 02/21/2024 Food and Beverage Undisputed 01/23/2026 1119284748 CMS
Medtronic, Inc. $135.63 02/28/2024 Food and Beverage Undisputed 01/23/2026 1119284750 CMS
Medtronic, Inc. $144.83 04/17/2024 Food and Beverage Undisputed 01/23/2026 1119284752 CMS
Medtronic, Inc. $13.48 09/18/2024 Food and Beverage Undisputed 01/23/2026 1119284754 CMS
W. L. Gore & Associates, Inc. $11.22 04/09/2024 Food and Beverage Undisputed 01/23/2026 1148157082 CMS
W. L. Gore & Associates, Inc. $47.33 06/03/2024 Food and Beverage Undisputed 01/23/2026 1148157078 CMS
W. L. Gore & Associates, Inc. $38.61 09/13/2024 Food and Beverage Undisputed 01/23/2026 1148157090 CMS
W. L. Gore & Associates, Inc. $107.89 10/11/2024 Food and Beverage Undisputed 01/23/2026 1148157086 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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