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

WILLIAM N KATKOV

Allopathic & Osteopathic Physicians Internal Medicine Gastroenterology

NPI
1386693646
CMS profile
198391
Location
SANTA MONICA, CA

General Payments · PY2018–2024

$2,916.63

  • Reported across 139 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$949.86

44 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 $949.86 44

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $343.08 17
PY2019 $364.41 18
PY2020 $110.54 5
PY2021 $233.37 12
PY2022 $434.28 14
PY2023 $481.09 29
PY2024 $949.86 44

Payment records · PY2024 (44)

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
ABBVIE INC. $17.25 01/19/2024 Food and Beverage Undisputed 01/23/2026 1104038716 CMS
ABBVIE INC. $28.28 01/29/2024 Food and Beverage Undisputed 01/23/2026 1104038718 CMS
ABBVIE INC. $23.02 02/07/2024 Food and Beverage Undisputed 01/23/2026 1104038720 CMS
ABBVIE INC. $22.75 02/20/2024 Food and Beverage Undisputed 01/23/2026 1104038722 CMS
ABBVIE INC. $25.67 06/20/2024 Food and Beverage Undisputed 01/23/2026 1104038724 CMS
ABBVIE INC. $24.27 06/25/2024 Food and Beverage Undisputed 01/23/2026 1104038726 CMS
ABBVIE INC. $17.37 08/12/2024 Food and Beverage Undisputed 01/23/2026 1104038728 CMS
ABBVIE INC. $17.31 08/12/2024 Food and Beverage Undisputed 01/23/2026 1104038730 CMS
ABBVIE INC. $32.40 09/03/2024 Food and Beverage Undisputed 01/23/2026 1104038732 CMS
ABBVIE INC. $18.16 12/06/2024 Food and Beverage Undisputed 01/23/2026 1104038734 CMS
ABBVIE INC. $24.25 12/10/2024 Food and Beverage Undisputed 01/23/2026 1104038736 CMS
ABBVIE INC. $24.18 12/17/2024 Food and Beverage Undisputed 01/23/2026 1104038738 CMS
AIMMUNE THERAPEUTICS, INC. $19.59 08/27/2024 Food and Beverage Undisputed 01/23/2026 1146993495 CMS
Ardelyx, Inc. $28.06 12/11/2024 Food and Beverage Undisputed 01/23/2026 1146688274 CMS
Ipsen Biopharmaceuticals, Inc $32.59 04/11/2024 Food and Beverage Undisputed 01/23/2026 1091979518 CMS
Ipsen Biopharmaceuticals, Inc $21.32 05/22/2024 Food and Beverage Undisputed 01/23/2026 1091979520 CMS
IRONWOOD PHARMACEUTICALS, INC $17.47 11/05/2024 Food and Beverage Undisputed 01/23/2026 1153748930 CMS
Janssen Biotech, Inc. $35.94 04/22/2024 Food and Beverage Undisputed 01/23/2026 1078340675 CMS
Janssen Biotech, Inc. $18.98 05/14/2024 Food and Beverage Undisputed 01/23/2026 1078339678 CMS
Janssen Biotech, Inc. $40.19 05/29/2024 Food and Beverage Undisputed 01/23/2026 1078340142 CMS
Janssen Biotech, Inc. $34.94 08/05/2024 Food and Beverage Undisputed 01/23/2026 1078339864 CMS
Janssen Biotech, Inc. $17.05 08/20/2024 Food and Beverage Undisputed 01/23/2026 1078339607 CMS
Janssen Biotech, Inc. $35.67 10/07/2024 Food and Beverage Undisputed 01/23/2026 1078340157 CMS
Janssen Biotech, Inc. $26.02 11/15/2024 Food and Beverage Undisputed 01/23/2026 1078340423 CMS
Janssen Biotech, Inc. $17.09 11/16/2024 Food and Beverage Undisputed 01/23/2026 1078339430 CMS
Lilly USA, LLC $21.52 11/19/2024 Food and Beverage Undisputed 01/23/2026 1135454339 CMS
Madrigal Pharmaceuticals $20.08 11/26/2024 Food and Beverage Undisputed 01/23/2026 1144172555 CMS
Merck Sharp & Dohme LLC $24.87 01/31/2024 Food and Beverage Undisputed 01/23/2026 1141814010 CMS
PFIZER INC. $18.14 10/14/2024 Food and Beverage Undisputed 01/23/2026 1132021017 CMS
Regeneron Healthcare Solutions, Inc. $17.32 01/30/2024 Food and Beverage Undisputed 01/23/2026 1114082975 CMS
Regeneron Healthcare Solutions, Inc. $13.20 09/17/2024 Food and Beverage Undisputed 01/23/2026 1114082977 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $22.46 01/03/2024 Food and Beverage Undisputed 01/23/2026 1153524121 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $24.12 01/03/2024 Food and Beverage Undisputed 01/23/2026 1153524569 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $16.21 01/03/2024 Food and Beverage Undisputed 01/23/2026 1153537058 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $3.05 01/03/2024 Food and Beverage Undisputed 01/23/2026 1153694596 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $19.87 01/08/2024 Food and Beverage Undisputed 01/23/2026 1153544028 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $17.11 03/06/2024 Food and Beverage Undisputed 01/23/2026 1153647704 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $13.95 03/06/2024 Food and Beverage Undisputed 01/23/2026 1153749493 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $21.66 04/02/2024 Food and Beverage Undisputed 01/23/2026 1153517932 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $23.08 04/17/2024 Food and Beverage Undisputed 01/23/2026 1153447733 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $1.46 04/17/2024 Food and Beverage Undisputed 01/23/2026 1153603307 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $11.97 04/24/2024 Food and Beverage Undisputed 01/23/2026 1153422232 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $15.50 05/14/2024 Food and Beverage Undisputed 01/23/2026 1153748773 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $24.47 09/18/2024 Food and Beverage Undisputed 01/23/2026 1153597893 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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