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

Covered recipient · General Payments record

NATHAN VAN DE GRAAFF

Physician Assistants & Advanced Practice Nursing Providers Physician Assistant

NPI
1215614037
CMS profile
11518853
Location
PHOENIX, AZ

General Payments · PY2023–2025

$3,580.45

  • Reported across 123 records
  • CMS publication 2026-06-30

Latest program year · PY2025

$1,848.99

59 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: Physician Assistant AZ All categories

By nature of payment

PY2025 · sorted by reported total

Nature of paymentAmountRecords
Food and Beverage $1,848.99 59

By paying entity

PY2025 · sorted by reported total

Paying entityAmountRecords
PFIZER INC. $318.58 11
ABIOMED $259.39 2
Kestra Medical Technology Services, Inc. $255.34 8
Merck Sharp & Dohme Corporation $186.21 7
E.R. Squibb & Sons, L.L.C. $169.45 7
BridgeBio Pharma, Inc. $120.83 4
ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) $111.86 3
Novo Nordisk AS $109.70 1
Alnylam Pharmaceuticals Inc. $99.52 5
Boehringer Ingelheim Pharmaceuticals, Inc. $71.82 3
NOVARTIS PHARMACEUTICALS CORPORATION $61.32 3
Acerta Pharma LLC $32.14 2
Bayer HealthCare Pharmaceuticals Inc. $19.64 1
Inspire Medical Systems, Inc. $16.77 1
Amgen Inc. $16.42 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2023 $866.33 25
PY2024 $865.13 39
PY2025 $1,848.99 59

Payment records · PY2025 (59)

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

Program year 2025 20232024 Record-level detail is published for PY2025; earlier years are summarised in “By program year”.
Paying entity Amount Date Nature of payment Dispute status Published Record ID Source
ABIOMED $130.12 01/21/2025 Food and Beverage Undisputed 06/30/2026 1174389749 CMS
ABIOMED $129.27 07/31/2025 Food and Beverage Undisputed 06/30/2026 1174390319 CMS
Alnylam Pharmaceuticals Inc. $18.67 01/27/2025 Food and Beverage Undisputed 06/30/2026 1212741963 CMS
Alnylam Pharmaceuticals Inc. $18.66 02/14/2025 Food and Beverage Undisputed 06/30/2026 1212741995 CMS
Alnylam Pharmaceuticals Inc. $23.24 04/04/2025 Food and Beverage Undisputed 06/30/2026 1212742003 CMS
Alnylam Pharmaceuticals Inc. $17.44 06/09/2025 Food and Beverage Undisputed 06/30/2026 1212742055 CMS
Alnylam Pharmaceuticals Inc. $21.51 08/19/2025 Food and Beverage Undisputed 06/30/2026 1212742081 CMS
Amgen Inc. $16.42 08/12/2025 Food and Beverage Undisputed 06/30/2026 1228934405 CMS
AstraZeneca Pharmaceuticals LP $18.55 06/06/2025 Food and Beverage Undisputed 06/30/2026 1206278614 CMS
AstraZeneca Pharmaceuticals LP $13.59 12/17/2025 Food and Beverage Undisputed 06/30/2026 1206202517 CMS
Bayer Healthcare Pharmaceuticals Inc. $19.64 09/16/2025 Food and Beverage Undisputed 06/30/2026 1225869739 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $21.38 02/07/2025 Food and Beverage Undisputed 06/30/2026 1223008828 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $31.60 07/10/2025 Food and Beverage Undisputed 06/30/2026 1223008830 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $18.84 08/08/2025 Food and Beverage Undisputed 06/30/2026 1223008832 CMS
BridgeBio Pharma, Inc. $35.28 06/10/2025 Food and Beverage Undisputed 06/30/2026 1250435086 CMS
BridgeBio Pharma, Inc. $33.57 08/26/2025 Food and Beverage Undisputed 06/30/2026 1250435092 CMS
BridgeBio Pharma, Inc. $31.49 10/01/2025 Food and Beverage Undisputed 06/30/2026 1250435090 CMS
BridgeBio Pharma, Inc. $20.49 11/25/2025 Food and Beverage Undisputed 06/30/2026 1250435088 CMS
E.R. Squibb & Sons, L.L.C. $1.78 01/10/2025 Food and Beverage Undisputed 06/30/2026 1184441872 CMS
E.R. Squibb & Sons, L.L.C. $15.75 03/10/2025 Food and Beverage Undisputed 06/30/2026 1184441888 CMS
E.R. Squibb & Sons, L.L.C. $12.17 05/02/2025 Food and Beverage Undisputed 06/30/2026 1184441910 CMS
E.R. Squibb & Sons, L.L.C. $99.84 05/08/2025 Food and Beverage Undisputed 06/30/2026 1184441916 CMS
E.R. Squibb & Sons, L.L.C. $3.43 09/30/2025 Food and Beverage Undisputed 06/30/2026 1184441946 CMS
E.R. Squibb & Sons, L.L.C. $18.80 10/23/2025 Food and Beverage Undisputed 06/30/2026 1184441864 CMS
E.R. Squibb & Sons, L.L.C. $17.68 10/28/2025 Food and Beverage Undisputed 06/30/2026 1184441868 CMS
Inspire Medical Systems, Inc. $16.77 03/01/2025 Food and Beverage Undisputed 06/30/2026 1251562634 CMS
Kestra Medical Technology Services, Inc. $29.33 04/14/2025 Food and Beverage Undisputed 06/30/2026 1248815689 CMS
Kestra Medical Technology Services, Inc. $7.50 04/22/2025 Food and Beverage Undisputed 06/30/2026 1248815691 CMS
Kestra Medical Technology Services, Inc. $41.23 05/20/2025 Food and Beverage Undisputed 06/30/2026 1248815601 CMS
Kestra Medical Technology Services, Inc. $5.33 05/27/2025 Food and Beverage Undisputed 06/30/2026 1248815707 CMS
Kestra Medical Technology Services, Inc. $110.68 06/23/2025 Food and Beverage Undisputed 06/30/2026 1248815589 CMS
Kestra Medical Technology Services, Inc. $6.25 07/29/2025 Food and Beverage Undisputed 06/30/2026 1248815693 CMS
Kestra Medical Technology Services, Inc. $29.49 08/25/2025 Food and Beverage Undisputed 06/30/2026 1248815717 CMS
Kestra Medical Technology Services, Inc. $25.53 09/26/2025 Food and Beverage Undisputed 06/30/2026 1248815711 CMS
Merck Sharp & Dohme LLC $30.35 01/17/2025 Food and Beverage Undisputed 06/30/2026 1238171828 CMS
Merck Sharp & Dohme LLC $29.18 02/19/2025 Food and Beverage Undisputed 06/30/2026 1238211086 CMS
Merck Sharp & Dohme LLC $25.98 03/25/2025 Food and Beverage Undisputed 06/30/2026 1238128059 CMS
Merck Sharp & Dohme LLC $21.65 04/28/2025 Food and Beverage Undisputed 06/30/2026 1238213860 CMS
Merck Sharp & Dohme LLC $24.41 09/22/2025 Food and Beverage Undisputed 06/30/2026 1238217478 CMS
Merck Sharp & Dohme LLC $31.31 10/20/2025 Food and Beverage Undisputed 06/30/2026 1238124291 CMS
Merck Sharp & Dohme LLC $23.33 11/19/2025 Food and Beverage Undisputed 06/30/2026 1238352334 CMS
Novartis Pharmaceuticals Corporation $15.47 06/24/2025 Food and Beverage Undisputed 06/30/2026 1200546144 CMS
Novartis Pharmaceuticals Corporation $27.39 06/27/2025 Food and Beverage Undisputed 06/30/2026 1200546142 CMS
Novartis Pharmaceuticals Corporation $18.46 11/07/2025 Food and Beverage Undisputed 06/30/2026 1200393224 CMS
Novo Nordisk Inc $109.70 10/21/2025 Food and Beverage Undisputed 06/30/2026 1188396589 CMS
PFIZER INC. $20.26 02/12/2025 Food and Beverage Undisputed 06/30/2026 1230153660 CMS
PFIZER INC. $25.20 04/18/2025 Food and Beverage Undisputed 06/30/2026 1230168985 CMS
PFIZER INC. $16.13 04/21/2025 Food and Beverage Undisputed 06/30/2026 1230176094 CMS
PFIZER INC. $125.38 05/22/2025 Food and Beverage Undisputed 06/30/2026 1230171847 CMS
PFIZER INC. $21.77 06/10/2025 Food and Beverage Undisputed 06/30/2026 1230174775 CMS
PFIZER INC. $28.46 07/09/2025 Food and Beverage Undisputed 06/30/2026 1230180389 CMS
PFIZER INC. $4.55 08/06/2025 Food and Beverage Undisputed 06/30/2026 1230243163 CMS
PFIZER INC. $16.25 08/26/2025 Food and Beverage Undisputed 06/30/2026 1230270545 CMS
PFIZER INC. $28.81 09/05/2025 Food and Beverage Undisputed 06/30/2026 1230377210 CMS
PFIZER INC. $17.56 10/16/2025 Food and Beverage Undisputed 06/30/2026 1230693844 CMS
PFIZER INC. $14.21 10/22/2025 Food and Beverage Undisputed 06/30/2026 1230784529 CMS
ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) $16.62 09/29/2025 Food and Beverage Undisputed 06/30/2026 1173702252 CMS
ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) $17.24 10/20/2025 Food and Beverage Undisputed 06/30/2026 1173702250 CMS
ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) $78.00 12/06/2025 Food and Beverage Undisputed 06/30/2026 1173702248 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
2023, 2024, 2025
Source files
Dataset page · Bulk file · PY2023 , PY2024 , PY2025
Generated from
OP_DTL_GNRL_PGYR2025_P06302026_06032026.csv

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