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

KATHERINE E CHOJNICKI

Physician Assistants & Advanced Practice Nursing Providers Nurse Practitioner Family

NPI
1831697713
CMS profile
10516055
Location
BUFFALO, NY

General Payments · PY2021–2024

$2,842.95

  • Reported across 60 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$504.36

23 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 $504.36 23

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2021 $1,144.94 14
PY2022 $472.44 7
PY2023 $721.21 16
PY2024 $504.36 23

Payment records · PY2024 (23)

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
ABBVIE INC. $34.66 05/14/2024 Food and Beverage Undisputed 01/23/2026 1106914354 CMS
ABBVIE INC. $22.22 09/19/2024 Food and Beverage Undisputed 01/23/2026 1106914356 CMS
ARRAY BIOPHARMA INC $15.80 10/16/2024 Food and Beverage Undisputed 01/23/2026 1131375323 CMS
Bayer Healthcare Pharmaceuticals Inc. $31.42 06/19/2024 Food and Beverage Undisputed 01/23/2026 1086281916 CMS
Daiichi Sankyo Inc. $19.49 05/07/2024 Food and Beverage Undisputed 01/23/2026 1089408936 CMS
E.R. Squibb & Sons, L.L.C. $14.82 05/15/2024 Food and Beverage Undisputed 01/23/2026 1101667314 CMS
Genentech USA, Inc. $17.13 03/25/2024 Food and Beverage Undisputed 01/23/2026 1133166808 CMS
Genentech USA, Inc. $18.97 04/22/2024 Food and Beverage Undisputed 01/23/2026 1133166806 CMS
GENZYME CORPORATION $28.08 05/08/2024 Food and Beverage Undisputed 01/23/2026 1139717516 CMS
Janssen Biotech, Inc. $26.85 06/12/2024 Food and Beverage Undisputed 01/23/2026 1078483135 CMS
Janssen Biotech, Inc. $30.23 11/13/2024 Food and Beverage Undisputed 01/23/2026 1078485170 CMS
Merck Sharp & Dohme LLC $24.69 07/17/2024 Food and Beverage Undisputed 01/23/2026 1141749649 CMS
Novartis Pharmaceuticals Corporation $32.07 01/30/2024 Food and Beverage Undisputed 01/23/2026 1086654391 CMS
Novartis Pharmaceuticals Corporation $10.37 03/07/2024 Food and Beverage Undisputed 01/23/2026 1086654393 CMS
Novartis Pharmaceuticals Corporation $19.22 04/11/2024 Food and Beverage Undisputed 01/23/2026 1086654395 CMS
Novartis Pharmaceuticals Corporation $12.69 06/20/2024 Food and Beverage Undisputed 01/23/2026 1086654397 CMS
Novartis Pharmaceuticals Corporation $8.73 07/17/2024 Food and Beverage Undisputed 01/23/2026 1086654399 CMS
Novartis Pharmaceuticals Corporation $23.81 10/03/2024 Food and Beverage Undisputed 01/23/2026 1086654401 CMS
Novartis Pharmaceuticals Corporation $26.57 10/31/2024 Food and Beverage Undisputed 01/23/2026 1086654403 CMS
PFIZER INC. $22.80 08/05/2024 Food and Beverage Undisputed 01/23/2026 1131880409 CMS
PFIZER INC. $16.59 10/24/2024 Food and Beverage Undisputed 01/23/2026 1131372524 CMS
Takeda Pharmaceuticals U.S.A., Inc. $28.03 06/03/2024 Food and Beverage Undisputed 01/23/2026 1144973466 CMS
Takeda Pharmaceuticals U.S.A., Inc. $19.12 08/21/2024 Food and Beverage Undisputed 01/23/2026 1144973468 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.

Corrections to the substance of a record route to CMS through its review-and-dispute process; errors in how this site mirrors or displays a record route to us. Both paths are described in Methodology & Data.