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

DAVID DUFFNER

Allopathic & Osteopathic Physicians Orthopaedic Surgery

NPI
1861455305
CMS profile
130031
Location
PALM SPRINGS, CA

General Payments · PY2018–2019

$6,589.27

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

Latest program year · PY2019

$2,230.10

25 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

PY2019 · sorted by reported total

Nature of paymentAmountRecords
Food and Beverage $1,281.68 21
Travel and Lodging $948.42 4

By paying entity

PY2019 · sorted by reported total

Paying entityAmountRecords
Stryker Corporation $1,118.51 10
Medtronic USA, Inc. $615.26 4
ENCORE MEDICAL, LP $174.35 2
Abbott Laboratories $133.84 1
SI-BONE, INC. $45.89 2
BOSTON SCIENTIFIC CORPORATION $45.48 1
Nevro Corp. $24.63 1
Zimmer Biomet Holdings, Inc. $21.13 1
Linvatec Corporation $20.47 1
TRICE MEDICAL, INC. $15.73 1
RTI Surgical, Inc. $14.81 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $4,359.17 35
PY2019 $2,230.10 25

Payment records · PY2019 (25)

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

Program year 2019 2018 Record-level detail is published for PY2019; earlier years are summarised in “By program year”.
Paying entity Amount Date Nature of payment Dispute status Published Record ID Source
Abbott Laboratories $133.84 03/22/2019 Food and Beverage Undisputed 01/23/2026 666946727 CMS
Boston Scientific Corporation $45.48 03/25/2019 Food and Beverage Undisputed 01/23/2026 662796859 CMS
ENCORE MEDICAL, LP $55.98 02/04/2019 Food and Beverage Undisputed 01/23/2026 696028051 CMS
ENCORE MEDICAL, LP $118.37 05/08/2019 Food and Beverage Undisputed 01/23/2026 696028053 CMS
Linvatec Corporation $20.47 06/07/2019 Food and Beverage Undisputed 01/23/2026 692569609 CMS
Medtronic USA, Inc. $80.53 05/03/2019 Food and Beverage Undisputed 01/23/2026 667714579 CMS
Medtronic USA, Inc. $459.84 05/03/2019 Travel and Lodging Undisputed 01/23/2026 667772787 CMS
Medtronic USA, Inc. $8.86 05/04/2019 Food and Beverage Undisputed 01/23/2026 667698741 CMS
Medtronic USA, Inc. $66.03 06/20/2019 Food and Beverage Undisputed 01/23/2026 667646053 CMS
Nevro Corp. $24.63 03/01/2019 Food and Beverage Undisputed 01/23/2026 679533109 CMS
RTI Surgical, Inc. $14.81 03/07/2019 Food and Beverage Undisputed 01/23/2026 707797219 CMS
SI-BONE, Inc. $21.06 05/08/2019 Food and Beverage Undisputed 01/23/2026 689394935 CMS
SI-BONE, Inc. $24.83 05/13/2019 Food and Beverage Undisputed 01/23/2026 689394933 CMS
Stryker Corporation $20.27 05/15/2019 Food and Beverage Undisputed 01/23/2026 692869673 CMS
Stryker Corporation $145.45 06/26/2019 Food and Beverage Undisputed 01/23/2026 692869683 CMS
Stryker Corporation $141.68 07/09/2019 Food and Beverage Undisputed 01/23/2026 692869685 CMS
Stryker Corporation $21.36 09/05/2019 Food and Beverage Undisputed 01/23/2026 692869687 CMS
Stryker Corporation $151.48 09/12/2019 Food and Beverage Undisputed 01/23/2026 692869689 CMS
Stryker Corporation $291.98 09/12/2019 Travel and Lodging Undisputed 01/23/2026 692869691 CMS
Stryker Corporation $72.05 09/13/2019 Food and Beverage Undisputed 01/23/2026 692869693 CMS
Stryker Corporation $77.64 09/13/2019 Food and Beverage Undisputed 01/23/2026 692869695 CMS
Stryker Corporation $160.60 10/03/2019 Travel and Lodging Undisputed 01/23/2026 692869697 CMS
Stryker Corporation $36.00 10/03/2019 Travel and Lodging Undisputed 01/23/2026 692869699 CMS
Trice Medical, Inc. $15.73 08/12/2019 Food and Beverage Undisputed 01/23/2026 707308531 CMS
Zimmer Biomet Holdings, Inc. $21.13 04/03/2019 Food and Beverage Undisputed 01/23/2026 656436639 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
Source files
Dataset page · Bulk file · PY2018 , PY2019
Generated from
OP_DTL_GNRL_PGYR2019_P01232026_01102026.csv

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