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

ANITA J BUITENWERF

Physician Assistants & Advanced Practice Nursing Providers Nurse Practitioner Adult Health

NPI
1184786774
CMS profile
11111460
Location
KALAMAZOO, MI

General Payments · PY2021–2024

$459.35

  • Reported across 17 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$317.26

10 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 $303.86 9
Education $13.40 1

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
EISAI INC. $123.03 2
SK Life Science, Inc. $36.27 1
ABBVIE INC. $31.54 1
Celgene Corporation $27.03 1
NOVARTIS PHARMACEUTICALS CORPORATION $26.17 1
Alexion Pharmaceuticals, Inc. $24.60 1
UCB, Inc. $19.50 1
PFIZER INC. $15.72 1
Neurelis, Inc. $13.40 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2021 $34.63 2
PY2022 $18.81 1
PY2023 $88.65 4
PY2024 $317.26 10

Payment records · PY2024 (10)

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. $31.54 07/26/2024 Food and Beverage Undisputed 01/23/2026 1106845596 CMS
Alexion Pharmaceuticals, Inc. $24.60 05/14/2024 Food and Beverage Undisputed 01/23/2026 1093999814 CMS
Celgene Corporation $27.03 11/27/2024 Food and Beverage Undisputed 01/23/2026 1101109134 CMS
Eisai Inc. $107.22 02/07/2024 Food and Beverage Undisputed 01/23/2026 1110793445 CMS
Eisai Inc. $15.81 09/10/2024 Food and Beverage Undisputed 01/23/2026 1110793447 CMS
Neurelis, Inc. $13.40 03/29/2024 Education Undisputed 01/23/2026 1145661180 CMS
Novartis Pharmaceuticals Corporation $26.17 10/29/2024 Food and Beverage Undisputed 01/23/2026 1086780377 CMS
PFIZER INC. $15.72 11/12/2024 Food and Beverage Undisputed 01/23/2026 1131135498 CMS
SK Life Science, Inc. $36.27 08/13/2024 Food and Beverage Undisputed 01/23/2026 1154129355 CMS
UCB, Inc. $19.50 06/11/2024 Food and Beverage Undisputed 01/23/2026 1143466148 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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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.