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 ANTHONY WILLIAMS

Allopathic & Osteopathic Physicians Otolaryngology

NPI
1972722288
CMS profile
316192
Location
SIOUX FALLS, SD

General Payments · PY2018–2024

$8,579.01

  • Reported across 144 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$2,440.89

24 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 $1,433.30 22
Travel and Lodging $1,007.59 2

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $1,512.35 16
PY2019 $177.82 9
PY2020 $159.02 6
PY2021 $2,522.70 35
PY2022 $1,183.63 36
PY2023 $582.60 18
PY2024 $2,440.89 24

Payment records · PY2024 (24)

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
AERIN MEDICAL INC. $454.95 02/01/2024 Travel and Lodging Undisputed 01/23/2026 1144650168 CMS
AERIN MEDICAL INC. $74.43 03/01/2024 Food and Beverage Undisputed 01/23/2026 1144654397 CMS
AERIN MEDICAL INC. $159.08 03/01/2024 Food and Beverage Undisputed 01/23/2026 1144654495 CMS
AERIN MEDICAL INC. $62.35 03/02/2024 Food and Beverage Undisputed 01/23/2026 1144654595 CMS
AERIN MEDICAL INC. $33.05 03/02/2024 Food and Beverage Undisputed 01/23/2026 1144654681 CMS
AERIN MEDICAL INC. $20.89 03/02/2024 Food and Beverage Undisputed 01/23/2026 1144654745 CMS
AERIN MEDICAL INC. $97.50 03/02/2024 Food and Beverage Undisputed 01/23/2026 1144654873 CMS
AERIN MEDICAL INC. $50.03 03/31/2024 Food and Beverage Undisputed 01/23/2026 1144654227 CMS
AERIN MEDICAL INC. $552.64 03/31/2024 Travel and Lodging Undisputed 01/23/2026 1144655245 CMS
AERIN MEDICAL INC. $142.81 10/15/2024 Food and Beverage Undisputed 01/23/2026 1144649638 CMS
GENZYME CORPORATION $32.96 04/02/2024 Food and Beverage Undisputed 01/23/2026 1139942757 CMS
GENZYME CORPORATION $32.96 05/21/2024 Food and Beverage Undisputed 01/23/2026 1139942767 CMS
GENZYME CORPORATION $35.96 07/10/2024 Food and Beverage Undisputed 01/23/2026 1139942803 CMS
GENZYME CORPORATION $29.65 08/13/2024 Food and Beverage Undisputed 01/23/2026 1139942801 CMS
GENZYME CORPORATION $26.36 10/02/2024 Food and Beverage Undisputed 01/23/2026 1139942845 CMS
Inspire Medical Systems, Inc. $116.69 05/30/2024 Food and Beverage Undisputed 01/23/2026 1148126236 CMS
Inspire Medical Systems, Inc. $181.91 09/29/2024 Food and Beverage Undisputed 01/23/2026 1148126241 CMS
Phadia US Inc. $19.33 02/07/2024 Food and Beverage Undisputed 01/23/2026 1067583056 CMS
Phathom Pharmaceuticals, Inc. $26.22 08/23/2024 Food and Beverage Undisputed 01/23/2026 1151139469 CMS
Regeneron Healthcare Solutions, Inc. $32.93 06/28/2024 Food and Beverage Undisputed 01/23/2026 1114255620 CMS
Regeneron Healthcare Solutions, Inc. $34.51 09/06/2024 Food and Beverage Undisputed 01/23/2026 1114255625 CMS
Regeneron Healthcare Solutions, Inc. $34.96 11/06/2024 Food and Beverage Undisputed 01/23/2026 1114255629 CMS
Smith+Nephew, Inc. $28.46 02/06/2024 Food and Beverage Undisputed 01/23/2026 1149505016 CMS
Stryker Corporation $160.26 02/21/2024 Food and Beverage Undisputed 01/23/2026 1120015453 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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