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

GREGORY A CZAJKA

Physician Assistants & Advanced Practice Nursing Providers Physician Assistant

NPI
1740265537
CMS profile
11092624
Location
WILLIAMSVILLE, NY

General Payments · PY2021–2024

$2,225.36

  • Reported across 21 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$598.91

5 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 $598.91 5

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
Grifols USA, LLC $124.99 1
Alexion Pharmaceuticals, Inc. $124.99 1
TG THERAPEUTICS, INC. $124.99 1
Gilead Sciences, Inc. $112.79 1
Teva Pharmaceuticals USA, Inc. $111.15 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2021 $562.70 7
PY2022 $460.03 4
PY2023 $603.72 5
PY2024 $598.91 5

Payment records · PY2024 (5)

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
Alexion Pharmaceuticals, Inc. $124.99 09/11/2024 Food and Beverage Undisputed 01/23/2026 1093904365 CMS
Gilead Sciences, Inc. $112.79 06/19/2024 Food and Beverage Undisputed 01/23/2026 1133712961 CMS
Grifols USA, LLC $124.99 03/21/2024 Food and Beverage Undisputed 01/23/2026 1124718040 CMS
Teva Pharmaceuticals USA, Inc. $111.15 04/25/2024 Food and Beverage Undisputed 01/23/2026 1151613536 CMS
TG Therapeutics, Inc. $124.99 11/20/2024 Food and Beverage Undisputed 01/23/2026 1136881607 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

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