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 LIWANAG

Allopathic & Osteopathic Physicians Internal Medicine Clinical Cardiac Electrophysiology

NPI
1932514858
CMS profile
1186889
Location
FLAGSTAFF, AZ

General Payments · PY2018–2024

$20,610.43

  • Reported across 197 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$1,336.31

29 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 $1,336.31 29

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
Abbott Laboratories $1,071.46 17
BOSTON SCIENTIFIC CORPORATION $184.52 8
PFIZER INC. $34.82 2
NOVARTIS PHARMACEUTICALS CORPORATION $28.66 1
Janssen Pharmaceuticals, Inc $16.85 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $2,320.71 53
PY2019 $1,785.36 37
PY2020 $621.89 13
PY2021 $9,828.32 28
PY2022 $1,684.78 10
PY2023 $3,033.06 27
PY2024 $1,336.31 29

Payment records · PY2024 (29)

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
Abbott Laboratories $146.19 02/27/2024 Food and Beverage Undisputed 01/23/2026 1125345729 CMS
Abbott Laboratories $136.02 03/05/2024 Food and Beverage Undisputed 01/23/2026 1125345749 CMS
Abbott Laboratories $19.58 05/22/2024 Food and Beverage Undisputed 01/23/2026 1125345731 CMS
Abbott Laboratories $116.73 05/22/2024 Food and Beverage Undisputed 01/23/2026 1125345733 CMS
Abbott Laboratories $123.88 07/08/2024 Food and Beverage Undisputed 01/23/2026 1125345735 CMS
Abbott Laboratories $22.55 07/22/2024 Food and Beverage Undisputed 01/23/2026 1125345737 CMS
Abbott Laboratories $24.67 07/22/2024 Food and Beverage Undisputed 01/23/2026 1125345739 CMS
Abbott Laboratories $32.50 07/22/2024 Food and Beverage Undisputed 01/23/2026 1125345741 CMS
Abbott Laboratories $173.19 08/09/2024 Food and Beverage Undisputed 01/23/2026 1125345743 CMS
Abbott Laboratories $14.36 08/09/2024 Food and Beverage Undisputed 01/23/2026 1125345745 CMS
Abbott Laboratories $28.49 08/14/2024 Food and Beverage Undisputed 01/23/2026 1125345759 CMS
Abbott Laboratories $119.87 08/19/2024 Food and Beverage Undisputed 01/23/2026 1125345747 CMS
Abbott Laboratories $50.06 10/11/2024 Food and Beverage Undisputed 01/23/2026 1125345751 CMS
Abbott Laboratories $31.49 10/28/2024 Food and Beverage Undisputed 01/23/2026 1125345727 CMS
Abbott Laboratories $3.11 11/05/2024 Food and Beverage Undisputed 01/23/2026 1125345753 CMS
Abbott Laboratories $2.96 12/27/2024 Food and Beverage Undisputed 01/23/2026 1125345755 CMS
Abbott Laboratories $25.81 12/31/2024 Food and Beverage Undisputed 01/23/2026 1125345757 CMS
Boston Scientific Corporation $38.05 02/13/2024 Food and Beverage Undisputed 01/23/2026 1092681861 CMS
Boston Scientific Corporation $22.44 03/13/2024 Food and Beverage Undisputed 01/23/2026 1092681853 CMS
Boston Scientific Corporation $24.18 04/22/2024 Food and Beverage Undisputed 01/23/2026 1092681855 CMS
Boston Scientific Corporation $21.55 05/31/2024 Food and Beverage Undisputed 01/23/2026 1092681851 CMS
Boston Scientific Corporation $28.25 10/07/2024 Food and Beverage Undisputed 01/23/2026 1092681859 CMS
Boston Scientific Corporation $4.65 11/14/2024 Food and Beverage Undisputed 01/23/2026 1092681847 CMS
Boston Scientific Corporation $18.62 11/14/2024 Food and Beverage Undisputed 01/23/2026 1092681849 CMS
Boston Scientific Corporation $26.78 12/13/2024 Food and Beverage Undisputed 01/23/2026 1092681857 CMS
Janssen Pharmaceuticals, Inc $16.85 04/23/2024 Food and Beverage Undisputed 01/23/2026 1077912801 CMS
Novartis Pharmaceuticals Corporation $28.66 06/12/2024 Food and Beverage Undisputed 01/23/2026 1087145362 CMS
PFIZER INC. $14.79 03/26/2024 Food and Beverage Undisputed 01/23/2026 1131229879 CMS
PFIZER INC. $20.03 06/26/2024 Food and Beverage Undisputed 01/23/2026 1131644639 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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