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

MICHAEL CHRISTOPHER ARMSTRONG

Allopathic & Osteopathic Physicians Internal Medicine Cardiovascular Disease

NPI
1538518238
CMS profile
2650538
Location
GREENVILLE, SC

General Payments · PY2019–2024

$3,303.96

  • Reported across 155 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$1,343.60

70 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: Cardiovascular Disease SC All categories

By nature of payment

PY2024 · sorted by reported total

Nature of paymentAmountRecords
Food and Beverage $1,343.60 70

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
Amgen Inc. $235.64 12
Boehringer Ingelheim Pharmaceuticals, Inc. $208.49 8
Janssen Pharmaceuticals, Inc $147.59 11
NOVARTIS PHARMACEUTICALS CORPORATION $121.64 6
BOSTON SCIENTIFIC CORPORATION $100.47 4
ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) $95.80 6
Acerta Pharma LLC $92.30 5
E.R. Squibb & Sons, L.L.C. $46.41 3
Philips Electronics North America Corporation $45.14 2
Merck Sharp & Dohme Corporation $37.45 2
PFIZER INC. $35.07 2
Kestra Medical Technology Services, Inc. $32.45 2
iRhythm Technologies, Inc. $30.89 2
ATRICURE, INC. $27.36 1
Kiniksa Pharmaceuticals International, plc $27.14 1
Daiichi Sankyo Inc. $22.30 1
Lexicon Pharmaceuticals, Inc. $20.27 1
Alnylam Pharmaceuticals Inc. $17.19 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2019 $156.10 2
PY2020 $146.43 1
PY2021 $147.60 1
PY2022 $472.20 20
PY2023 $1,038.03 61
PY2024 $1,343.60 70

Payment records · PY2024 (70)

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

Program year 2024 20192020202120222023 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
Alnylam Pharmaceuticals Inc. $17.19 03/07/2024 Food and Beverage Undisputed 01/23/2026 1125849098 CMS
Amgen Inc. $19.72 01/23/2024 Food and Beverage Undisputed 01/23/2026 1115428940 CMS
Amgen Inc. $26.28 01/26/2024 Food and Beverage Undisputed 01/23/2026 1115428944 CMS
Amgen Inc. $15.78 02/23/2024 Food and Beverage Undisputed 01/23/2026 1115428948 CMS
Amgen Inc. $16.44 04/16/2024 Food and Beverage Undisputed 01/23/2026 1115428951 CMS
Amgen Inc. $16.47 05/21/2024 Food and Beverage Undisputed 01/23/2026 1115428957 CMS
Amgen Inc. $23.49 07/26/2024 Food and Beverage Undisputed 01/23/2026 1115428961 CMS
Amgen Inc. $18.34 08/09/2024 Food and Beverage Undisputed 01/23/2026 1115428964 CMS
Amgen Inc. $21.03 08/23/2024 Food and Beverage Undisputed 01/23/2026 1115428968 CMS
Amgen Inc. $16.12 10/02/2024 Food and Beverage Undisputed 01/23/2026 1115428973 CMS
Amgen Inc. $30.73 10/17/2024 Food and Beverage Undisputed 01/23/2026 1115428978 CMS
Amgen Inc. $15.46 10/23/2024 Food and Beverage Undisputed 01/23/2026 1115428981 CMS
Amgen Inc. $15.78 10/24/2024 Food and Beverage Undisputed 01/23/2026 1115428985 CMS
AstraZeneca Pharmaceuticals LP $22.36 02/10/2024 Food and Beverage Undisputed 01/23/2026 1105686137 CMS
AstraZeneca Pharmaceuticals LP $18.70 07/30/2024 Food and Beverage Undisputed 01/23/2026 1105473105 CMS
AstraZeneca Pharmaceuticals LP $17.84 10/16/2024 Food and Beverage Undisputed 01/23/2026 1104716389 CMS
AstraZeneca Pharmaceuticals LP $19.89 11/11/2024 Food and Beverage Undisputed 01/23/2026 1104325728 CMS
AstraZeneca Pharmaceuticals LP $13.51 12/10/2024 Food and Beverage Undisputed 01/23/2026 1105856942 CMS
ATRICURE, INC. $27.36 04/18/2024 Food and Beverage Undisputed 01/23/2026 1132859823 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $12.20 04/19/2024 Food and Beverage Undisputed 01/23/2026 1118050537 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $26.58 04/30/2024 Food and Beverage Undisputed 01/23/2026 1118050547 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $25.78 07/16/2024 Food and Beverage Undisputed 01/23/2026 1118050543 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $26.42 08/06/2024 Food and Beverage Undisputed 01/23/2026 1118050545 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $36.79 08/14/2024 Food and Beverage Undisputed 01/23/2026 1118050551 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $32.20 09/13/2024 Food and Beverage Undisputed 01/23/2026 1118050549 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $24.14 10/21/2024 Food and Beverage Undisputed 01/23/2026 1118050539 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $24.38 11/15/2024 Food and Beverage Undisputed 01/23/2026 1118050541 CMS
Boston Scientific Corporation $22.88 08/26/2024 Food and Beverage Undisputed 01/23/2026 1092383668 CMS
Boston Scientific Corporation $25.80 08/26/2024 Food and Beverage Undisputed 01/23/2026 1092383672 CMS
Boston Scientific Corporation $25.46 09/27/2024 Food and Beverage Undisputed 01/23/2026 1092383670 CMS
Boston Scientific Corporation $26.33 10/07/2024 Food and Beverage Undisputed 01/23/2026 1092383674 CMS
Daiichi Sankyo Inc. $22.30 01/17/2024 Food and Beverage Undisputed 01/23/2026 1089394482 CMS
E.R. Squibb & Sons, L.L.C. $13.63 03/27/2024 Food and Beverage Undisputed 01/23/2026 1101703595 CMS
E.R. Squibb & Sons, L.L.C. $18.12 05/06/2024 Food and Beverage Undisputed 01/23/2026 1101703609 CMS
E.R. Squibb & Sons, L.L.C. $14.66 11/22/2024 Food and Beverage Undisputed 01/23/2026 1101703654 CMS
iRhythm Technologies, Inc. $15.45 10/18/2024 Food and Beverage Undisputed 01/23/2026 1154055022 CMS
iRhythm Technologies, Inc. $15.44 10/18/2024 Food and Beverage Undisputed 01/23/2026 1154055024 CMS
Janssen Pharmaceuticals, Inc $10.87 01/12/2024 Food and Beverage Undisputed 01/23/2026 1078176763 CMS
Janssen Pharmaceuticals, Inc $18.79 01/22/2024 Food and Beverage Undisputed 01/23/2026 1078177217 CMS
Janssen Pharmaceuticals, Inc $17.81 01/29/2024 Food and Beverage Undisputed 01/23/2026 1078176693 CMS
Janssen Pharmaceuticals, Inc $12.28 03/23/2024 Food and Beverage Undisputed 01/23/2026 1078176653 CMS
Janssen Pharmaceuticals, Inc $10.78 04/10/2024 Food and Beverage Undisputed 01/23/2026 1078177669 CMS
Janssen Pharmaceuticals, Inc $15.35 04/24/2024 Food and Beverage Undisputed 01/23/2026 1078177665 CMS
Janssen Pharmaceuticals, Inc $13.15 04/25/2024 Food and Beverage Undisputed 01/23/2026 1078176537 CMS
Janssen Pharmaceuticals, Inc $11.47 05/16/2024 Food and Beverage Undisputed 01/23/2026 1078177363 CMS
Janssen Pharmaceuticals, Inc $12.35 05/30/2024 Food and Beverage Undisputed 01/23/2026 1078177269 CMS
Janssen Pharmaceuticals, Inc $11.48 07/17/2024 Food and Beverage Undisputed 01/23/2026 1078176979 CMS
Janssen Pharmaceuticals, Inc $13.26 08/21/2024 Food and Beverage Undisputed 01/23/2026 1078176893 CMS
Kestra Medical Technology Services, Inc. $15.23 01/10/2024 Food and Beverage Undisputed 01/23/2026 1152377831 CMS
Kestra Medical Technology Services, Inc. $17.22 12/12/2024 Food and Beverage Undisputed 01/23/2026 1152377829 CMS
Kiniksa Pharmaceuticals International, plc $27.14 07/15/2024 Food and Beverage Undisputed 01/23/2026 1154864607 CMS
Lexicon Pharmaceuticals, Inc. $20.27 05/23/2024 Food and Beverage Undisputed 01/23/2026 1081724175 CMS
Merck Sharp & Dohme LLC $19.93 05/17/2024 Food and Beverage Undisputed 01/23/2026 1141572161 CMS
Merck Sharp & Dohme LLC $17.52 07/03/2024 Food and Beverage Undisputed 01/23/2026 1141908470 CMS
Novartis Pharmaceuticals Corporation $20.59 03/14/2024 Food and Beverage Undisputed 01/23/2026 1086638817 CMS
Novartis Pharmaceuticals Corporation $19.88 04/23/2024 Food and Beverage Undisputed 01/23/2026 1086638821 CMS
Novartis Pharmaceuticals Corporation $20.00 06/04/2024 Food and Beverage Undisputed 01/23/2026 1086638825 CMS
Novartis Pharmaceuticals Corporation $28.29 07/09/2024 Food and Beverage Undisputed 01/23/2026 1086638823 CMS
Novartis Pharmaceuticals Corporation $14.35 09/05/2024 Food and Beverage Undisputed 01/23/2026 1086638831 CMS
Novartis Pharmaceuticals Corporation $18.53 10/15/2024 Food and Beverage Undisputed 01/23/2026 1086638833 CMS
PFIZER INC. $17.44 05/11/2024 Food and Beverage Undisputed 01/23/2026 1131733609 CMS
PFIZER INC. $17.63 10/25/2024 Food and Beverage Undisputed 01/23/2026 1132105008 CMS
Philips North America LLC $26.53 09/19/2024 Food and Beverage Undisputed 01/23/2026 1146900115 CMS
Philips North America LLC $18.61 12/03/2024 Food and Beverage Undisputed 01/23/2026 1146900117 CMS
ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) $21.39 02/20/2024 Food and Beverage Undisputed 01/23/2026 1080662849 CMS
ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) $21.95 05/03/2024 Food and Beverage Undisputed 01/23/2026 1080663341 CMS
ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) $24.00 07/05/2024 Food and Beverage Undisputed 01/23/2026 1080663705 CMS
ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) $5.00 09/06/2024 Food and Beverage Undisputed 01/23/2026 1080664105 CMS
ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) $18.81 09/20/2024 Food and Beverage Undisputed 01/23/2026 1080664175 CMS
ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) $4.65 10/09/2024 Food and Beverage Undisputed 01/23/2026 1080664321 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
2019, 2020, 2021, 2022, 2023, 2024
Source files
Dataset page · Bulk file · PY2019 , PY2020 , PY2021 , PY2022 , PY2023 , PY2024
Generated from
OP_DTL_GNRL_PGYR2024_P01232026_01102026.csv

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.