Official source Data mirrored from Centers for Medicare & Medicaid Services Open Payments · General Payments · CMS publication 2026-06-30 View official record Methodology

Covered recipient · General Payments record

AHDAYSIA WILLIAMSON-MCALLISTER

Physician Assistants & Advanced Practice Nursing Providers Physician Assistant

NPI
1083435044
CMS profile
11841078
Location
WHITE PLAINS, MD

General Payments · PY2025

$403.83

  • Reported across 20 records
  • CMS publication 2026-06-30

Latest program year · PY2025

$403.83

20 records · 0 disputed

Financial relationships do not necessarily indicate an improper relationship; the data is open to interpretation.

How these totals are calculated
  • This total is the sum of the individual General Payments record amounts CMS published for the labeled program year(s); each record amount is used unmodified. The total itself is computed by this site. 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

PY2025 · sorted by reported total

Nature of paymentAmountRecords
Food and Beverage $403.83 20

By paying entity

PY2025 · sorted by reported total

Paying entityAmountRecords
Sumitomo Pharma America, Inc. $148.84 11
MAYNE PHARMA COMMERCIAL LLC $90.83 1
MILLICENT US INC $56.99 3
Organon LLC $45.55 2
Bayer HealthCare Pharmaceuticals Inc. $39.37 2
ABBVIE INC. $22.25 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2025 $403.83 20

Payment records · PY2025 (20)

Ordering applied by this site (paying entity, then date) · record values are shown as CMS published them

Program year 2025
Paying entity Amount Date Nature of payment Dispute status Published Record ID Source
ABBVIE INC. $22.25 03/12/2025 Food and Beverage Undisputed 06/30/2026 1204140864 CMS
Bayer Healthcare Pharmaceuticals Inc. $14.85 06/23/2025 Food and Beverage Undisputed 06/30/2026 1225902006 CMS
Bayer Healthcare Pharmaceuticals Inc. $24.52 12/11/2025 Food and Beverage Undisputed 06/30/2026 1225902010 CMS
MAYNE PHARMA COMMERCIAL LLC $90.83 03/26/2025 Food and Beverage Undisputed 06/30/2026 1254643170 CMS
MILLICENT US INC $20.33 02/26/2025 Food and Beverage Undisputed 06/30/2026 1235215207 CMS
MILLICENT US INC $18.93 04/29/2025 Food and Beverage Undisputed 06/30/2026 1235215209 CMS
MILLICENT US INC $17.73 11/13/2025 Food and Beverage Undisputed 06/30/2026 1235215211 CMS
Organon LLC $20.65 05/07/2025 Food and Beverage Undisputed 06/30/2026 1237649834 CMS
Organon LLC $24.90 09/24/2025 Food and Beverage Undisputed 06/30/2026 1237649836 CMS
Sumitomo Pharma America, Inc. $26.64 03/20/2025 Food and Beverage Undisputed 06/30/2026 1176812755 CMS
Sumitomo Pharma America, Inc. $20.20 04/08/2025 Food and Beverage Undisputed 06/30/2026 1176812757 CMS
Sumitomo Pharma America, Inc. $6.08 04/21/2025 Food and Beverage Undisputed 06/30/2026 1176812759 CMS
Sumitomo Pharma America, Inc. $10.54 05/08/2025 Food and Beverage Undisputed 06/30/2026 1176812761 CMS
Sumitomo Pharma America, Inc. $26.79 06/20/2025 Food and Beverage Undisputed 06/30/2026 1176812763 CMS
Sumitomo Pharma America, Inc. $7.10 08/21/2025 Food and Beverage Undisputed 06/30/2026 1176812765 CMS
Sumitomo Pharma America, Inc. $24.24 09/17/2025 Food and Beverage Undisputed 06/30/2026 1176812767 CMS
Sumitomo Pharma America, Inc. $2.54 09/24/2025 Food and Beverage Undisputed 06/30/2026 1176812769 CMS
Sumitomo Pharma America, Inc. $6.02 09/24/2025 Food and Beverage Undisputed 06/30/2026 1176812771 CMS
Sumitomo Pharma America, Inc. $12.33 10/29/2025 Food and Beverage Undisputed 06/30/2026 1176812773 CMS
Sumitomo Pharma America, Inc. $6.36 11/13/2025 Food and Beverage Undisputed 06/30/2026 1176812775 CMS

Source & provenance

Dataset
CMS Open Payments — General Payments
Publisher of source data
Centers for Medicare & Medicaid Services
CMS publication date
2026-06-30
Program years on this page
2025
Source files
Dataset page · Bulk file · PY2025
Generated from
OP_DTL_GNRL_PGYR2025_P06302026_06032026.csv

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