IndustryPayments
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

ALLYN CHESNEY SISSON

Physician Assistants & Advanced Practice Nursing Providers Nurse Practitioner Family

NPI
1205589157
CMS profile
11368806
Location
MERIDIAN, MS

General Payments · PY2022–2024

$1,785.11

  • Reported across 94 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$776.18

48 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.

Related groups: Family MS All categories

By nature of payment

PY2024 · sorted by reported total

Nature of paymentAmountRecords
Food and Beverage $776.18 48

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
Merck Sharp & Dohme Corporation $232.40 12
NOVARTIS PHARMACEUTICALS CORPORATION $223.40 24
Acerta Pharma LLC $172.00 3
E.R. Squibb & Sons, L.L.C. $82.89 5
Regeneron Healthcare Solutions, Inc. $34.91 2
Kiniksa Pharmaceuticals International, plc $17.31 1
Lexicon Pharmaceuticals, Inc. $13.27 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2022 $350.44 20
PY2023 $658.49 26
PY2024 $776.18 48

Payment records · PY2024 (48)

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

Program year 2024 20222023 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
AstraZeneca Pharmaceuticals LP $29.72 02/01/2024 Food and Beverage Undisputed 01/23/2026 1105302553 CMS
AstraZeneca Pharmaceuticals LP $17.28 04/02/2024 Food and Beverage Undisputed 01/23/2026 1104404831 CMS
AstraZeneca Pharmaceuticals LP $125.00 07/30/2024 Food and Beverage Undisputed 01/23/2026 1104555172 CMS
E.R. Squibb & Sons, L.L.C. $13.28 04/24/2024 Food and Beverage Undisputed 01/23/2026 1101295133 CMS
E.R. Squibb & Sons, L.L.C. $15.13 05/14/2024 Food and Beverage Undisputed 01/23/2026 1101295135 CMS
E.R. Squibb & Sons, L.L.C. $17.06 08/29/2024 Food and Beverage Undisputed 01/23/2026 1101295145 CMS
E.R. Squibb & Sons, L.L.C. $19.28 11/05/2024 Food and Beverage Undisputed 01/23/2026 1101295153 CMS
E.R. Squibb & Sons, L.L.C. $18.14 12/12/2024 Food and Beverage Undisputed 01/23/2026 1101295163 CMS
Kiniksa Pharmaceuticals International, plc $17.31 03/12/2024 Food and Beverage Undisputed 01/23/2026 1154858918 CMS
Lexicon Pharmaceuticals, Inc. $13.27 05/23/2024 Food and Beverage Undisputed 01/23/2026 1081701103 CMS
Merck Sharp & Dohme LLC $22.44 01/24/2024 Food and Beverage Undisputed 01/23/2026 1141786090 CMS
Merck Sharp & Dohme LLC $9.03 02/22/2024 Food and Beverage Undisputed 01/23/2026 1141945943 CMS
Merck Sharp & Dohme LLC $16.04 03/26/2024 Food and Beverage Undisputed 01/23/2026 1141788675 CMS
Merck Sharp & Dohme LLC $16.68 04/25/2024 Food and Beverage Undisputed 01/23/2026 1141786094 CMS
Merck Sharp & Dohme LLC $20.95 05/20/2024 Food and Beverage Undisputed 01/23/2026 1141900214 CMS
Merck Sharp & Dohme LLC $17.60 06/18/2024 Food and Beverage Undisputed 01/23/2026 1141945465 CMS
Merck Sharp & Dohme LLC $17.70 07/30/2024 Food and Beverage Undisputed 01/23/2026 1141945463 CMS
Merck Sharp & Dohme LLC $22.32 08/28/2024 Food and Beverage Undisputed 01/23/2026 1141786088 CMS
Merck Sharp & Dohme LLC $22.21 09/24/2024 Food and Beverage Undisputed 01/23/2026 1141788677 CMS
Merck Sharp & Dohme LLC $21.31 10/30/2024 Food and Beverage Undisputed 01/23/2026 1141786092 CMS
Merck Sharp & Dohme LLC $20.99 11/14/2024 Food and Beverage Undisputed 01/23/2026 1141900216 CMS
Merck Sharp & Dohme LLC $25.13 12/03/2024 Food and Beverage Undisputed 01/23/2026 1141951645 CMS
Novartis Pharmaceuticals Corporation $10.20 01/18/2024 Food and Beverage Undisputed 01/23/2026 1087209201 CMS
Novartis Pharmaceuticals Corporation $15.90 01/23/2024 Food and Beverage Undisputed 01/23/2026 1087209203 CMS
Novartis Pharmaceuticals Corporation $9.20 02/14/2024 Food and Beverage Undisputed 01/23/2026 1087209205 CMS
Novartis Pharmaceuticals Corporation $14.96 02/22/2024 Food and Beverage Undisputed 01/23/2026 1087209209 CMS
Novartis Pharmaceuticals Corporation $4.04 02/27/2024 Food and Beverage Undisputed 01/23/2026 1087209211 CMS
Novartis Pharmaceuticals Corporation $1.98 03/26/2024 Food and Beverage Undisputed 01/23/2026 1087209213 CMS
Novartis Pharmaceuticals Corporation $4.45 03/26/2024 Food and Beverage Undisputed 01/23/2026 1087209215 CMS
Novartis Pharmaceuticals Corporation $0.79 05/02/2024 Food and Beverage Undisputed 01/23/2026 1087209223 CMS
Novartis Pharmaceuticals Corporation $8.06 05/02/2024 Food and Beverage Undisputed 01/23/2026 1087209225 CMS
Novartis Pharmaceuticals Corporation $2.54 05/08/2024 Food and Beverage Undisputed 01/23/2026 1087209227 CMS
Novartis Pharmaceuticals Corporation $18.58 05/21/2024 Food and Beverage Undisputed 01/23/2026 1087209231 CMS
Novartis Pharmaceuticals Corporation $0.78 06/06/2024 Food and Beverage Undisputed 01/23/2026 1087209235 CMS
Novartis Pharmaceuticals Corporation $13.32 06/06/2024 Food and Beverage Undisputed 01/23/2026 1087209237 CMS
Novartis Pharmaceuticals Corporation $15.63 06/10/2024 Food and Beverage Undisputed 01/23/2026 1087209229 CMS
Novartis Pharmaceuticals Corporation $4.76 06/13/2024 Food and Beverage Undisputed 01/23/2026 1087209233 CMS
Novartis Pharmaceuticals Corporation $14.64 07/10/2024 Food and Beverage Undisputed 01/23/2026 1087209241 CMS
Novartis Pharmaceuticals Corporation $14.75 07/24/2024 Food and Beverage Undisputed 01/23/2026 1087209243 CMS
Novartis Pharmaceuticals Corporation $10.02 09/02/2024 Food and Beverage Undisputed 01/23/2026 1087209253 CMS
Novartis Pharmaceuticals Corporation $5.34 09/10/2024 Food and Beverage Undisputed 01/23/2026 1087209255 CMS
Novartis Pharmaceuticals Corporation $2.16 09/10/2024 Food and Beverage Undisputed 01/23/2026 1087209257 CMS
Novartis Pharmaceuticals Corporation $9.90 09/23/2024 Food and Beverage Undisputed 01/23/2026 1087209263 CMS
Novartis Pharmaceuticals Corporation $11.05 10/29/2024 Food and Beverage Undisputed 01/23/2026 1087209267 CMS
Novartis Pharmaceuticals Corporation $14.27 11/19/2024 Food and Beverage Undisputed 01/23/2026 1087209269 CMS
Novartis Pharmaceuticals Corporation $16.08 12/18/2024 Food and Beverage Undisputed 01/23/2026 1087209275 CMS
Regeneron Healthcare Solutions, Inc. $19.82 01/18/2024 Food and Beverage Undisputed 01/23/2026 1114373339 CMS
Regeneron Healthcare Solutions, Inc. $15.09 03/29/2024 Food and Beverage Undisputed 01/23/2026 1114373341 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
2022, 2023, 2024
Source files
Dataset page · Bulk file · PY2022 , PY2023 , PY2024
Generated from
OP_DTL_GNRL_PGYR2024_P01232026_01102026.csv

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