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

RYAN P DENHAESE

Allopathic & Osteopathic Physicians Neurological Surgery

NPI
1356563381
CMS profile
288955
Location
WILLIAMSVILLE, NY

General Payments · PY2018–2024

$2,237,091.78

  • Reported across 473 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$229,227.52

52 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
Consulting Fee $112,581.00 17
Royalty or License $109,507.70 13
Travel and Lodging $3,698.10 7
Food and Beverage $3,440.72 15

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
Zavation LLC $193,745.39 46
Stryker Corporation $21,151.13 4
Centinel Spine, LLC $14,331.00 2

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $526,733.50 93
PY2019 $475,447.10 84
PY2020 $277,331.00 57
PY2021 $280,639.42 67
PY2022 $243,441.31 61
PY2023 $204,271.93 59
PY2024 $229,227.52 52

Payment records · PY2024 (52)

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

Program year 2024 201820192020202120222023 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
Centinel Spine, LLC $5,922.00 02/14/2024 Consulting Fee Undisputed 01/23/2026 1133893352 CMS
Centinel Spine, LLC $8,409.00 08/28/2024 Consulting Fee Undisputed 01/23/2026 1133893350 CMS
Stryker Corporation $5,140.50 02/08/2024 Royalty or License Undisputed 01/23/2026 1144312921 CMS
Stryker Corporation $4,909.46 05/08/2024 Royalty or License Undisputed 01/23/2026 1119812829 CMS
Stryker Corporation $5,052.66 08/08/2024 Royalty or License Undisputed 01/23/2026 1119812831 CMS
Stryker Corporation $6,048.51 11/14/2024 Royalty or License Undisputed 01/23/2026 1119812833 CMS
Zavation Medical Products, LLC $23.32 01/05/2024 Food and Beverage Undisputed 01/23/2026 1140977597 CMS
Zavation Medical Products, LLC $291.82 01/06/2024 Food and Beverage Undisputed 01/23/2026 1140977599 CMS
Zavation Medical Products, LLC $25.34 01/06/2024 Food and Beverage Undisputed 01/23/2026 1140977601 CMS
Zavation Medical Products, LLC $840.21 01/07/2024 Food and Beverage Undisputed 01/23/2026 1140977603 CMS
Zavation Medical Products, LLC $438.76 01/07/2024 Food and Beverage Undisputed 01/23/2026 1140977605 CMS
Zavation Medical Products, LLC $272.24 01/07/2024 Food and Beverage Undisputed 01/23/2026 1140977607 CMS
Zavation Medical Products, LLC $1,044.90 01/07/2024 Travel and Lodging Undisputed 01/23/2026 1140977609 CMS
Zavation Medical Products, LLC $115.00 01/19/2024 Travel and Lodging Undisputed 01/23/2026 1140977611 CMS
Zavation Medical Products, LLC $8,214.58 01/22/2024 Royalty or License Undisputed 01/23/2026 1140978353 CMS
Zavation Medical Products, LLC $98.04 01/25/2024 Food and Beverage Undisputed 01/23/2026 1140977613 CMS
Zavation Medical Products, LLC $6,000.00 02/01/2024 Consulting Fee Undisputed 01/23/2026 1140978315 CMS
Zavation Medical Products, LLC $116.75 02/15/2024 Food and Beverage Undisputed 01/23/2026 1140977615 CMS
Zavation Medical Products, LLC $7,950.00 02/15/2024 Consulting Fee Undisputed 01/23/2026 1140978317 CMS
Zavation Medical Products, LLC $1,057.80 02/15/2024 Travel and Lodging Undisputed 01/23/2026 1140978343 CMS
Zavation Medical Products, LLC $6,000.00 03/01/2024 Consulting Fee Undisputed 01/23/2026 1140978319 CMS
Zavation Medical Products, LLC $8,568.09 03/08/2024 Royalty or License Undisputed 01/23/2026 1140978347 CMS
Zavation Medical Products, LLC $6,000.00 04/01/2024 Consulting Fee Undisputed 01/23/2026 1140978321 CMS
Zavation Medical Products, LLC $12,300.00 04/01/2024 Consulting Fee Undisputed 01/23/2026 1140978323 CMS
Zavation Medical Products, LLC $207.14 04/12/2024 Food and Beverage Undisputed 01/23/2026 1140977617 CMS
Zavation Medical Products, LLC $3,117.34 04/24/2024 Royalty or License Undisputed 01/23/2026 1140978345 CMS
Zavation Medical Products, LLC $7,837.65 04/24/2024 Royalty or License Undisputed 01/23/2026 1140978349 CMS
Zavation Medical Products, LLC $6,000.00 05/01/2024 Consulting Fee Undisputed 01/23/2026 1140978325 CMS
Zavation Medical Products, LLC $85.30 05/07/2024 Travel and Lodging Undisputed 01/23/2026 1140977619 CMS
Zavation Medical Products, LLC $89.00 05/09/2024 Travel and Lodging Undisputed 01/23/2026 1140977621 CMS
Zavation Medical Products, LLC $264.66 05/18/2024 Food and Beverage Undisputed 01/23/2026 1140977623 CMS
Zavation Medical Products, LLC $8,388.32 05/20/2024 Royalty or License Undisputed 01/23/2026 1140978351 CMS
Zavation Medical Products, LLC $607.50 05/29/2024 Travel and Lodging Undisputed 01/23/2026 1140977625 CMS
Zavation Medical Products, LLC $6,000.00 06/01/2024 Consulting Fee Undisputed 01/23/2026 1140978327 CMS
Zavation Medical Products, LLC $6,000.00 07/01/2024 Consulting Fee Undisputed 01/23/2026 1140978329 CMS
Zavation Medical Products, LLC $19,122.17 07/22/2024 Royalty or License Undisputed 01/23/2026 1140978355 CMS
Zavation Medical Products, LLC $6,000.00 08/01/2024 Consulting Fee Undisputed 01/23/2026 1140978331 CMS
Zavation Medical Products, LLC $6,000.00 09/01/2024 Consulting Fee Undisputed 01/23/2026 1140978333 CMS
Zavation Medical Products, LLC $7,925.27 09/13/2024 Royalty or License Undisputed 01/23/2026 1140978357 CMS
Zavation Medical Products, LLC $150.00 09/16/2024 Food and Beverage Undisputed 01/23/2026 1140977627 CMS
Zavation Medical Products, LLC $285.43 09/25/2024 Food and Beverage Undisputed 01/23/2026 1140977629 CMS
Zavation Medical Products, LLC $170.20 09/28/2024 Food and Beverage Undisputed 01/23/2026 1140977631 CMS
Zavation Medical Products, LLC $6,000.00 10/01/2024 Consulting Fee Undisputed 01/23/2026 1140978335 CMS
Zavation Medical Products, LLC $12,470.85 10/10/2024 Royalty or License Undisputed 01/23/2026 1140978359 CMS
Zavation Medical Products, LLC $6,000.00 11/01/2024 Consulting Fee Undisputed 01/23/2026 1140978337 CMS
Zavation Medical Products, LLC $7,800.00 12/02/2024 Consulting Fee Undisputed 01/23/2026 1140978311 CMS
Zavation Medical Products, LLC $6,000.00 12/02/2024 Consulting Fee Undisputed 01/23/2026 1140978313 CMS
Zavation Medical Products, LLC $4,200.00 12/02/2024 Consulting Fee Undisputed 01/23/2026 1140978339 CMS
Zavation Medical Products, LLC $698.60 12/02/2024 Travel and Lodging Undisputed 01/23/2026 1140978341 CMS
Zavation Medical Products, LLC $99.15 12/04/2024 Food and Beverage Undisputed 01/23/2026 1140977633 CMS
Zavation Medical Products, LLC $12,712.30 12/11/2024 Royalty or License Undisputed 01/23/2026 1140978361 CMS
Zavation Medical Products, LLC $157.66 12/19/2024 Food and Beverage Undisputed 01/23/2026 1140977635 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
2018, 2019, 2020, 2021, 2022, 2023, 2024
Source files
Dataset page · Bulk file · PY2018 , PY2019 , PY2020 , PY2021 , PY2022 , PY2023 , PY2024
Generated from
OP_DTL_GNRL_PGYR2024_P01232026_01102026.csv

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