IndustryPayments
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

DAVID MICHAEL BYRENS

Allopathic & Osteopathic Physicians Family Medicine

NPI
1902874126
CMS profile
41495
Location
MARSHALL, MI

General Payments · PY2018–2023

$8,814.23

  • Reported across 619 records
  • CMS publication 2026-01-23

Latest program year · PY2023

$1,101.37

63 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.

Related groups: Family Medicine MI All categories

By nature of payment

PY2023 · sorted by reported total

Nature of paymentAmountRecords
Food and Beverage $1,101.37 63

By paying entity

PY2023 · sorted by reported total

Paying entityAmountRecords
ABBVIE INC. $167.83 13
Merck Sharp & Dohme Corporation $130.90 5
Lilly USA, LLC $92.95 6
PFIZER INC. $62.42 3
Supernus Pharmaceuticals, Inc. $58.27 3
Boehringer Ingelheim Pharmaceuticals, Inc. $56.22 3
Bayer HealthCare Pharmaceuticals Inc. $54.55 3
Novo Nordisk AS $51.52 3
Exact Sciences Corporation $48.20 3
Axsome Therapeutics, Inc. $40.84 2
Lundbeck LLC $39.18 2
Otsuka America Pharmaceutical, Inc. $38.58 2
Teva Pharmaceuticals USA, Inc. $34.42 2
GlaxoSmithKline, LLC. $31.02 2
Takeda Pharmaceuticals U.S.A., Inc. $28.92 1
NESTLE HEALTHCARE NUTRITION INC. $26.58 2
Phadia US Inc. $23.44 1
SANOFI PASTEUR INC. $22.54 1
IRONSHORE PHARMACEUTICALS INC. $20.14 1
Daiichi Sankyo Inc. $17.28 1
Amgen Inc. $17.08 1
Acerta Pharma LLC $13.37 1
Kowa Pharmaceuticals America, Inc. $12.72 1
Corium, Inc. $12.40 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $1,719.43 166
PY2019 $1,040.28 91
PY2020 $1,545.49 101
PY2021 $2,121.05 130
PY2022 $1,286.61 68
PY2023 $1,101.37 63

Payment records · PY2023 (63)

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

Program year 2023 20182019202020212022 Record-level detail is published for PY2023; earlier years are summarised in “By program year”.
Paying entity Amount Date Nature of payment Dispute status Published Record ID Source
AbbVie Inc. $18.94 01/20/2023 Food and Beverage Undisputed 01/23/2026 996343109 CMS
AbbVie Inc. $17.92 01/24/2023 Food and Beverage Undisputed 01/23/2026 996343111 CMS
AbbVie Inc. $15.88 02/14/2023 Food and Beverage Undisputed 01/23/2026 996343113 CMS
AbbVie Inc. $11.53 03/16/2023 Food and Beverage Undisputed 01/23/2026 996343115 CMS
AbbVie Inc. $17.59 04/10/2023 Food and Beverage Undisputed 01/23/2026 996343117 CMS
AbbVie Inc. $4.50 08/04/2023 Food and Beverage Undisputed 01/23/2026 996343119 CMS
AbbVie Inc. $15.61 08/16/2023 Food and Beverage Undisputed 01/23/2026 996343121 CMS
AbbVie Inc. $17.84 09/19/2023 Food and Beverage Undisputed 01/23/2026 996343123 CMS
AbbVie Inc. $18.64 10/09/2023 Food and Beverage Undisputed 01/23/2026 996343125 CMS
AbbVie Inc. $3.16 10/13/2023 Food and Beverage Undisputed 01/23/2026 996343127 CMS
AbbVie Inc. $3.36 10/26/2023 Food and Beverage Undisputed 01/23/2026 996343129 CMS
AbbVie Inc. $4.23 11/09/2023 Food and Beverage Undisputed 01/23/2026 996343131 CMS
AbbVie Inc. $18.63 12/12/2023 Food and Beverage Undisputed 01/23/2026 996343133 CMS
Amgen Inc. $17.08 04/11/2023 Food and Beverage Undisputed 01/23/2026 1019887849 CMS
AstraZeneca Pharmaceuticals LP $13.37 05/09/2023 Food and Beverage Undisputed 01/23/2026 1015984191 CMS
Axsome Therapeutics, Inc. $21.39 02/06/2023 Food and Beverage Undisputed 01/23/2026 1056141185 CMS
Axsome Therapeutics, Inc. $19.45 07/18/2023 Food and Beverage Undisputed 01/23/2026 1056141189 CMS
Bayer Healthcare Pharmaceuticals Inc. $17.80 01/23/2023 Food and Beverage Undisputed 01/23/2026 1000111879 CMS
Bayer Healthcare Pharmaceuticals Inc. $18.31 10/23/2023 Food and Beverage Undisputed 01/23/2026 1000118203 CMS
Bayer Healthcare Pharmaceuticals Inc. $18.44 12/07/2023 Food and Beverage Undisputed 01/23/2026 1000119771 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $15.16 02/07/2023 Food and Beverage Undisputed 01/23/2026 996953473 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $22.00 08/01/2023 Food and Beverage Undisputed 01/23/2026 996953469 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $19.06 11/03/2023 Food and Beverage Undisputed 01/23/2026 996953465 CMS
Corium, LLC $12.40 04/17/2023 Food and Beverage Undisputed 01/23/2026 978227875 CMS
Daiichi Sankyo Inc. $17.28 12/19/2023 Food and Beverage Undisputed 01/23/2026 1006561165 CMS
Exact Sciences Corporation $18.41 02/24/2023 Food and Beverage Undisputed 01/23/2026 1026563119 CMS
Exact Sciences Corporation $15.18 09/14/2023 Food and Beverage Undisputed 01/23/2026 1026563225 CMS
Exact Sciences Corporation $14.61 11/28/2023 Food and Beverage Undisputed 01/23/2026 1026563267 CMS
GlaxoSmithKline, LLC. $14.45 03/23/2023 Food and Beverage Undisputed 01/23/2026 1001857415 CMS
GlaxoSmithKline, LLC. $16.57 07/17/2023 Food and Beverage Undisputed 01/23/2026 1001857425 CMS
Ironshore Pharmaceuticals Inc. $20.14 03/15/2023 Food and Beverage Undisputed 01/23/2026 1060450893 CMS
Kowa Pharmaceuticals America, Inc. $12.72 02/20/2023 Food and Beverage Undisputed 01/23/2026 1003730777 CMS
Lilly USA, LLC $17.00 02/28/2023 Food and Beverage Undisputed 01/23/2026 1031359911 CMS
Lilly USA, LLC $16.25 04/20/2023 Food and Beverage Undisputed 01/23/2026 1031437531 CMS
Lilly USA, LLC $17.29 06/28/2023 Food and Beverage Undisputed 01/23/2026 1031341247 CMS
Lilly USA, LLC $13.74 07/10/2023 Food and Beverage Undisputed 01/23/2026 1031332851 CMS
Lilly USA, LLC $13.92 10/12/2023 Food and Beverage Undisputed 01/23/2026 1031332849 CMS
Lilly USA, LLC $14.75 11/30/2023 Food and Beverage Undisputed 01/23/2026 1031341251 CMS
Lundbeck LLC $16.66 05/11/2023 Food and Beverage Undisputed 01/23/2026 1032189583 CMS
Lundbeck LLC $22.52 11/17/2023 Food and Beverage Undisputed 01/23/2026 1032189589 CMS
Merck Sharp & Dohme LLC $23.06 02/02/2023 Food and Beverage Undisputed 01/23/2026 1048933883 CMS
Merck Sharp & Dohme LLC $32.79 03/31/2023 Food and Beverage Undisputed 01/23/2026 1048531825 CMS
Merck Sharp & Dohme LLC $33.06 06/08/2023 Food and Beverage Undisputed 01/23/2026 1048926341 CMS
Merck Sharp & Dohme LLC $17.23 08/25/2023 Food and Beverage Undisputed 01/23/2026 1048531823 CMS
Merck Sharp & Dohme LLC $24.76 10/27/2023 Food and Beverage Undisputed 01/23/2026 1048884357 CMS
NESTLE HEALTHCARE NUTRITION INC. $13.11 01/12/2023 Food and Beverage Undisputed 01/23/2026 1012423417 CMS
NESTLE HEALTHCARE NUTRITION INC. $13.47 09/01/2023 Food and Beverage Undisputed 01/23/2026 1012508333 CMS
Novo Nordisk Inc $20.34 02/17/2023 Food and Beverage Undisputed 01/23/2026 1000996389 CMS
Novo Nordisk Inc $15.47 09/29/2023 Food and Beverage Undisputed 01/23/2026 1000996365 CMS
Novo Nordisk Inc $15.71 10/10/2023 Food and Beverage Undisputed 01/23/2026 1000996377 CMS
Otsuka America Pharmaceutical, Inc. $12.86 05/12/2023 Food and Beverage Undisputed 01/23/2026 1014252405 CMS
Otsuka America Pharmaceutical, Inc. $25.72 10/13/2023 Food and Beverage Undisputed 01/23/2026 1014252411 CMS
PFIZER INC. $24.27 03/06/2023 Food and Beverage Undisputed 01/23/2026 1050530643 CMS
PFIZER INC. $17.10 04/13/2023 Food and Beverage Undisputed 01/23/2026 1050369691 CMS
PFIZER INC. $21.05 04/15/2023 Food and Beverage Undisputed 01/23/2026 1050412173 CMS
Phadia US Inc. $23.44 12/09/2023 Food and Beverage Undisputed 01/23/2026 971742641 CMS
SANOFI PASTEUR INC. $22.54 05/05/2023 Food and Beverage Undisputed 01/23/2026 1043901023 CMS
Supernus Pharmaceuticals, Inc. $19.41 05/04/2023 Food and Beverage Undisputed 01/23/2026 1053216737 CMS
Supernus Pharmaceuticals, Inc. $18.95 05/04/2023 Food and Beverage Undisputed 01/23/2026 1053216745 CMS
Supernus Pharmaceuticals, Inc. $19.91 08/23/2023 Food and Beverage Undisputed 01/23/2026 1053216749 CMS
Takeda Pharmaceuticals U.S.A., Inc. $28.92 07/20/2023 Food and Beverage Undisputed 01/23/2026 1055362987 CMS
Teva Pharmaceuticals USA, Inc. $17.32 03/27/2023 Food and Beverage Undisputed 01/23/2026 1056749609 CMS
Teva Pharmaceuticals USA, Inc. $17.10 10/26/2023 Food and Beverage Undisputed 01/23/2026 1056749713 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
Source files
Dataset page · Bulk file · PY2018 , PY2019 , PY2020 , PY2021 , PY2022 , PY2023
Generated from
OP_DTL_GNRL_PGYR2023_P01232026_01102026.csv

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