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

MARK O CARLSON

Allopathic & Osteopathic Physicians Internal Medicine

NPI
1609837368
CMS profile
117573
Location
SIOUX CITY, IA

General Payments · PY2018–2024

$209,362.65

  • Reported across 758 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$5,659.32

56 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

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $36,315.90 155
PY2019 $16,539.22 99
PY2020 $8,083.12 75
PY2021 $67,682.99 174
PY2022 $28,530.24 107
PY2023 $46,551.86 92
PY2024 $5,659.32 56

Payment records · PY2024 (56)

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
Amgen Inc. $4.28 01/10/2024 Food and Beverage Undisputed 01/23/2026 1117218046 CMS
Amgen Inc. $5.62 02/09/2024 Food and Beverage Undisputed 01/23/2026 1117218048 CMS
Amgen Inc. $18.44 02/13/2024 Food and Beverage Undisputed 01/23/2026 1117218050 CMS
Amgen Inc. $11.17 03/20/2024 Food and Beverage Undisputed 01/23/2026 1117218052 CMS
Amgen Inc. $2,335.00 03/28/2024 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 01/23/2026 1111543121 CMS
Amgen Inc. $12.57 04/09/2024 Food and Beverage Undisputed 01/23/2026 1117218054 CMS
Amgen Inc. $9.94 04/19/2024 Food and Beverage Undisputed 01/23/2026 1117218056 CMS
Amgen Inc. $7.55 04/24/2024 Food and Beverage Undisputed 01/23/2026 1111543117 CMS
Amgen Inc. $5.51 05/06/2024 Food and Beverage Undisputed 01/23/2026 1117218058 CMS
Amgen Inc. $2.75 05/30/2024 Food and Beverage Undisputed 01/23/2026 1117218060 CMS
Amgen Inc. $16.82 06/17/2024 Food and Beverage Undisputed 01/23/2026 1117218062 CMS
Amgen Inc. $5.92 07/12/2024 Food and Beverage Undisputed 01/23/2026 1117218064 CMS
Amgen Inc. $2,335.00 07/23/2024 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 01/23/2026 1111543123 CMS
Amgen Inc. $10.93 07/23/2024 Food and Beverage Undisputed 01/23/2026 1117218066 CMS
Amgen Inc. $5.65 08/06/2024 Food and Beverage Undisputed 01/23/2026 1117218068 CMS
Amgen Inc. $4.93 09/03/2024 Food and Beverage Undisputed 01/23/2026 1117218070 CMS
Amgen Inc. $5.66 09/18/2024 Food and Beverage Undisputed 01/23/2026 1117218072 CMS
Amgen Inc. $18.64 10/08/2024 Food and Beverage Undisputed 01/23/2026 1111543119 CMS
Amgen Inc. $5.66 10/29/2024 Food and Beverage Undisputed 01/23/2026 1111543125 CMS
Amgen Inc. $8.85 11/27/2024 Food and Beverage Undisputed 01/23/2026 1117218074 CMS
Amgen Inc. $10.74 12/13/2024 Food and Beverage Undisputed 01/23/2026 1117218076 CMS
Amgen Inc. $6.96 12/19/2024 Food and Beverage Undisputed 01/23/2026 1117218078 CMS
Ardelyx, Inc. $13.69 08/21/2024 Food and Beverage Undisputed 01/23/2026 1146673847 CMS
Astellas Pharma US Inc $16.24 03/14/2024 Food and Beverage Undisputed 01/23/2026 1139272462 CMS
Astellas Pharma US Inc $19.21 05/13/2024 Food and Beverage Undisputed 01/23/2026 1139357685 CMS
AstraZeneca Pharmaceuticals LP $19.58 02/15/2024 Food and Beverage Undisputed 01/23/2026 1104292448 CMS
AstraZeneca Pharmaceuticals LP $136.91 03/14/2024 Food and Beverage Undisputed 01/23/2026 1104552292 CMS
AstraZeneca Pharmaceuticals LP $61.07 03/18/2024 Food and Beverage Undisputed 01/23/2026 1105884551 CMS
AstraZeneca Pharmaceuticals LP $21.31 04/30/2024 Food and Beverage Undisputed 01/23/2026 1104497884 CMS
AstraZeneca Pharmaceuticals LP $22.56 06/25/2024 Food and Beverage Undisputed 01/23/2026 1105429762 CMS
AstraZeneca Pharmaceuticals LP $21.32 07/25/2024 Food and Beverage Undisputed 01/23/2026 1105495055 CMS
AstraZeneca Pharmaceuticals LP $19.83 10/02/2024 Food and Beverage Undisputed 01/23/2026 1104555496 CMS
AstraZeneca Pharmaceuticals LP $15.24 10/22/2024 Food and Beverage Undisputed 01/23/2026 1105445160 CMS
AstraZeneca Pharmaceuticals LP $11.56 10/24/2024 Education Undisputed 01/23/2026 1104432353 CMS
Azurity Pharmaceuticals, Inc. $19.12 08/21/2024 Food and Beverage Undisputed 01/23/2026 1134003933 CMS
Bayer Healthcare Pharmaceuticals Inc. $96.66 09/13/2024 Food and Beverage Undisputed 01/23/2026 1086147917 CMS
Bayer Healthcare Pharmaceuticals Inc. $20.29 09/17/2024 Food and Beverage Undisputed 01/23/2026 1086209769 CMS
E.R. Squibb & Sons, L.L.C. $13.36 08/06/2024 Food and Beverage Undisputed 01/23/2026 1101529838 CMS
Esperion Therapeutics, Inc. $16.81 04/04/2024 Food and Beverage Undisputed 01/23/2026 1129430078 CMS
Esperion Therapeutics, Inc. $21.83 05/08/2024 Food and Beverage Undisputed 01/23/2026 1129430080 CMS
Esperion Therapeutics, Inc. $18.48 07/10/2024 Food and Beverage Undisputed 01/23/2026 1129430082 CMS
Esperion Therapeutics, Inc. $17.35 10/15/2024 Food and Beverage Undisputed 01/23/2026 1129430084 CMS
Exact Sciences Corporation $16.34 03/27/2024 Food and Beverage Undisputed 01/23/2026 1114607784 CMS
Exact Sciences Corporation $18.08 10/30/2024 Food and Beverage Undisputed 01/23/2026 1114607788 CMS
GlaxoSmithKline, LLC. $13.16 03/22/2024 Food and Beverage Undisputed 01/23/2026 1116481745 CMS
MAYNE PHARMA COMMERCIAL LLC $10.56 12/16/2024 Food and Beverage Undisputed 01/23/2026 1154712071 CMS
MAYNE PHARMA COMMERCIAL LLC $10.19 12/16/2024 Food and Beverage Undisputed 01/23/2026 1154712073 CMS
Novo Nordisk Inc $13.22 06/26/2024 Food and Beverage Undisputed 01/23/2026 1096601015 CMS
Novo Nordisk Inc $13.78 08/05/2024 Food and Beverage Undisputed 01/23/2026 1097547098 CMS
Novo Nordisk Inc $15.18 10/14/2024 Food and Beverage Undisputed 01/23/2026 1096877477 CMS
Novo Nordisk Inc $19.62 11/14/2024 Food and Beverage Undisputed 01/23/2026 1096638702 CMS
PFIZER INC. $17.18 02/29/2024 Food and Beverage Undisputed 01/23/2026 1131022484 CMS
PFIZER INC. $17.64 06/28/2024 Food and Beverage Undisputed 01/23/2026 1131689260 CMS
PFIZER INC. $14.69 11/25/2024 Food and Beverage Undisputed 01/23/2026 1131009497 CMS
Radius Health, Inc. $15.29 04/23/2024 Food and Beverage Undisputed 01/23/2026 1089972980 CMS
Radius Health, Inc. $13.38 07/30/2024 Food and Beverage Undisputed 01/23/2026 1089972987 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

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.