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

MACKENZIE LEIGH WILLIAMSON

Physician Assistants & Advanced Practice Nursing Providers Nurse Practitioner Family

NPI
1285024950
CMS profile
11112678
Location
OXFORD, MS

General Payments · PY2021–2024

$6,072.75

  • Reported across 305 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$1,523.35

76 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 $1,523.35 76

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2021 $2,208.73 108
PY2022 $721.08 40
PY2023 $1,619.59 81
PY2024 $1,523.35 76

Payment records · PY2024 (76)

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

Program year 2024 202120222023 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 $12.27 03/19/2024 Food and Beverage Undisputed 01/23/2026 1124952121 CMS
Abbott Laboratories $13.89 03/27/2024 Food and Beverage Undisputed 01/23/2026 1124952124 CMS
Abbott Laboratories $24.03 03/27/2024 Food and Beverage Undisputed 01/23/2026 1124952128 CMS
Abbott Laboratories $16.76 03/27/2024 Food and Beverage Undisputed 01/23/2026 1124952132 CMS
Abbott Laboratories $11.50 04/10/2024 Food and Beverage Undisputed 01/23/2026 1124952135 CMS
Abbott Laboratories $14.85 04/10/2024 Food and Beverage Undisputed 01/23/2026 1124952139 CMS
Abbott Laboratories $22.27 04/10/2024 Food and Beverage Undisputed 01/23/2026 1124952143 CMS
Abbott Laboratories $16.38 04/24/2024 Food and Beverage Undisputed 01/23/2026 1124952147 CMS
Abbott Laboratories $33.05 04/24/2024 Food and Beverage Undisputed 01/23/2026 1124952150 CMS
Abbott Laboratories $14.69 04/24/2024 Food and Beverage Undisputed 01/23/2026 1124952154 CMS
Abbott Laboratories $18.19 04/24/2024 Food and Beverage Undisputed 01/23/2026 1124952158 CMS
Abbott Laboratories $14.42 04/24/2024 Food and Beverage Undisputed 01/23/2026 1124952161 CMS
Abbott Laboratories $15.86 04/24/2024 Food and Beverage Undisputed 01/23/2026 1124952165 CMS
Abbott Laboratories $12.45 04/26/2024 Food and Beverage Undisputed 01/23/2026 1124952168 CMS
Abbott Laboratories $15.24 07/05/2024 Food and Beverage Undisputed 01/23/2026 1124952172 CMS
Abbott Laboratories $10.87 07/05/2024 Food and Beverage Undisputed 01/23/2026 1124952175 CMS
Abbott Laboratories $6.59 07/05/2024 Food and Beverage Undisputed 01/23/2026 1124952180 CMS
Abbott Laboratories $13.37 07/29/2024 Food and Beverage Undisputed 01/23/2026 1124952183 CMS
Abbott Laboratories $10.05 08/14/2024 Food and Beverage Undisputed 01/23/2026 1124952206 CMS
Abbott Laboratories $9.97 09/20/2024 Food and Beverage Undisputed 01/23/2026 1124952187 CMS
Abbott Laboratories $15.84 12/03/2024 Food and Beverage Undisputed 01/23/2026 1124952191 CMS
Abbott Laboratories $16.05 12/03/2024 Food and Beverage Undisputed 01/23/2026 1124952194 CMS
Abbott Laboratories $17.26 12/03/2024 Food and Beverage Undisputed 01/23/2026 1124952198 CMS
Abbott Laboratories $7.07 12/31/2024 Food and Beverage Undisputed 01/23/2026 1124952202 CMS
Amgen Inc. $15.26 01/04/2024 Food and Beverage Undisputed 01/23/2026 1117416281 CMS
Amgen Inc. $17.10 01/25/2024 Food and Beverage Undisputed 01/23/2026 1117416285 CMS
Amgen Inc. $15.24 02/01/2024 Food and Beverage Undisputed 01/23/2026 1117416283 CMS
Amgen Inc. $16.65 02/22/2024 Food and Beverage Undisputed 01/23/2026 1117416287 CMS
Amgen Inc. $13.24 03/14/2024 Food and Beverage Undisputed 01/23/2026 1117416289 CMS
Amgen Inc. $12.85 07/18/2024 Food and Beverage Undisputed 01/23/2026 1117416293 CMS
Amgen Inc. $12.85 07/20/2024 Food and Beverage Undisputed 01/23/2026 1117416291 CMS
Amgen Inc. $14.05 08/15/2024 Food and Beverage Undisputed 01/23/2026 1117416295 CMS
Amgen Inc. $44.03 08/15/2024 Food and Beverage Undisputed 01/23/2026 1117416297 CMS
Amgen Inc. $14.40 10/17/2024 Food and Beverage Undisputed 01/23/2026 1117416299 CMS
Amgen Inc. $16.32 11/21/2024 Food and Beverage Undisputed 01/23/2026 1117416301 CMS
AstraZeneca Pharmaceuticals LP $15.91 07/25/2024 Food and Beverage Undisputed 01/23/2026 1104760382 CMS
AstraZeneca Pharmaceuticals LP $16.72 08/14/2024 Food and Beverage Undisputed 01/23/2026 1105562342 CMS
AstraZeneca Pharmaceuticals LP $18.86 11/01/2024 Food and Beverage Undisputed 01/23/2026 1104419537 CMS
AstraZeneca Pharmaceuticals LP $16.94 12/05/2024 Food and Beverage Undisputed 01/23/2026 1105741656 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $18.62 01/11/2024 Food and Beverage Undisputed 01/23/2026 1117946499 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $17.95 02/13/2024 Food and Beverage Undisputed 01/23/2026 1117946497 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $18.91 03/07/2024 Food and Beverage Undisputed 01/23/2026 1117946501 CMS
Boston Scientific Corporation $94.24 01/10/2024 Food and Beverage Undisputed 01/23/2026 1092474251 CMS
Boston Scientific Corporation $31.12 05/20/2024 Food and Beverage Undisputed 01/23/2026 1092474249 CMS
E.R. Squibb & Sons, L.L.C. $21.45 07/03/2024 Food and Beverage Undisputed 01/23/2026 1101418457 CMS
E.R. Squibb & Sons, L.L.C. $7.31 07/26/2024 Food and Beverage Undisputed 01/23/2026 1101418465 CMS
E.R. Squibb & Sons, L.L.C. $15.56 07/29/2024 Food and Beverage Undisputed 01/23/2026 1101418463 CMS
E.R. Squibb & Sons, L.L.C. $15.38 08/29/2024 Food and Beverage Undisputed 01/23/2026 1101418471 CMS
E.R. Squibb & Sons, L.L.C. $15.31 09/05/2024 Food and Beverage Undisputed 01/23/2026 1101418481 CMS
E.R. Squibb & Sons, L.L.C. $16.72 09/18/2024 Food and Beverage Undisputed 01/23/2026 1101418479 CMS
E.R. Squibb & Sons, L.L.C. $13.32 10/01/2024 Food and Beverage Undisputed 01/23/2026 1101418487 CMS
E.R. Squibb & Sons, L.L.C. $15.61 11/11/2024 Food and Beverage Undisputed 01/23/2026 1101418507 CMS
E.R. Squibb & Sons, L.L.C. $32.72 11/11/2024 Food and Beverage Undisputed 01/23/2026 1101418519 CMS
E.R. Squibb & Sons, L.L.C. $12.84 12/09/2024 Food and Beverage Undisputed 01/23/2026 1101418505 CMS
E.R. Squibb & Sons, L.L.C. $39.65 12/16/2024 Food and Beverage Undisputed 01/23/2026 1101418521 CMS
E.R. Squibb & Sons, L.L.C. $18.76 12/23/2024 Food and Beverage Undisputed 01/23/2026 1101418523 CMS
Edwards Lifesciences Corporation $113.73 04/25/2024 Food and Beverage Undisputed 01/23/2026 1138826412 CMS
HEARTFLOW, INC. $13.52 06/05/2024 Food and Beverage Undisputed 01/23/2026 1154178098 CMS
Janssen Pharmaceuticals, Inc $18.63 02/15/2024 Food and Beverage Undisputed 01/23/2026 1078183353 CMS
Janssen Pharmaceuticals, Inc $59.90 06/11/2024 Food and Beverage Undisputed 01/23/2026 1078183417 CMS
Medtronic, Inc. $17.15 06/11/2024 Food and Beverage Undisputed 01/23/2026 1116865018 CMS
Merck Sharp & Dohme LLC $21.91 09/26/2024 Food and Beverage Undisputed 01/23/2026 1141646398 CMS
Novartis Pharmaceuticals Corporation $18.60 01/23/2024 Food and Beverage Undisputed 01/23/2026 1087360832 CMS
Novartis Pharmaceuticals Corporation $16.94 04/15/2024 Food and Beverage Undisputed 01/23/2026 1087360834 CMS
Novartis Pharmaceuticals Corporation $21.86 09/12/2024 Food and Beverage Undisputed 01/23/2026 1087360838 CMS
Novartis Pharmaceuticals Corporation $20.35 10/01/2024 Food and Beverage Undisputed 01/23/2026 1087360842 CMS
Novartis Pharmaceuticals Corporation $20.21 11/14/2024 Food and Beverage Undisputed 01/23/2026 1087360844 CMS
Novo Nordisk Inc $15.89 07/17/2024 Food and Beverage Undisputed 01/23/2026 1100518469 CMS
PFIZER INC. $14.37 02/08/2024 Food and Beverage Undisputed 01/23/2026 1131032766 CMS
PFIZER INC. $15.84 02/28/2024 Food and Beverage Undisputed 01/23/2026 1131088988 CMS
PFIZER INC. $15.38 08/08/2024 Food and Beverage Undisputed 01/23/2026 1131885971 CMS
PFIZER INC. $16.75 08/29/2024 Food and Beverage Undisputed 01/23/2026 1131893466 CMS
PFIZER INC. $16.05 11/06/2024 Food and Beverage Undisputed 01/23/2026 1131106228 CMS
Philips North America LLC $18.88 02/05/2024 Food and Beverage Undisputed 01/23/2026 1146860490 CMS
Philips North America LLC $17.99 08/01/2024 Food and Beverage Undisputed 01/23/2026 1146860492 CMS
ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) $20.59 02/14/2024 Food and Beverage Undisputed 01/23/2026 1074072203 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
2021, 2022, 2023, 2024
Source files
Dataset page · Bulk file · 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.

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