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

JOHN DIANA

Allopathic & Osteopathic Physicians Orthopaedic Surgery Adult Reconstructive Orthopaedic Surgery

NPI
1649297540
CMS profile
29447
Location
NAPA, CA

General Payments · PY2018–2024

$940,087.69

  • Reported across 175 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$157,725.49

22 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
Royalty or License $155,722.32 13
Food and Beverage $1,278.69 5
Travel and Lodging $724.48 4

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
ORTHO DEVELOPMENT CORPORATION $155,826.59 14
Zimmer Biomet Holdings, Inc. $1,528.69 5
Avanos Medical $264.58 2
Stryker Corporation $105.63 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $97,384.05 56
PY2019 $142,900.34 31
PY2020 $141,255.78 21
PY2021 $119,730.54 15
PY2022 $126,780.86 12
PY2023 $154,310.63 18
PY2024 $157,725.49 22

Payment records · PY2024 (22)

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
Avanos Medical $120.21 03/21/2024 Food and Beverage Undisputed 01/23/2026 1149305135 CMS
Avanos Medical $144.37 07/16/2024 Food and Beverage Undisputed 01/23/2026 1149305137 CMS
ORTHO DEVELOPMENT CORPORATION $15,098.38 01/15/2024 Royalty or License Undisputed 01/23/2026 1154965412 CMS
ORTHO DEVELOPMENT CORPORATION $13,430.64 02/15/2024 Royalty or License Undisputed 01/23/2026 1154965414 CMS
ORTHO DEVELOPMENT CORPORATION $14,942.42 03/15/2024 Royalty or License Undisputed 01/23/2026 1154965416 CMS
ORTHO DEVELOPMENT CORPORATION $15,700.72 04/15/2024 Royalty or License Undisputed 01/23/2026 1154965418 CMS
ORTHO DEVELOPMENT CORPORATION $104.27 04/23/2024 Food and Beverage Undisputed 01/23/2026 1154965438 CMS
ORTHO DEVELOPMENT CORPORATION $12,836.82 05/15/2024 Royalty or License Undisputed 01/23/2026 1154965420 CMS
ORTHO DEVELOPMENT CORPORATION $7,074.00 06/15/2024 Royalty or License Undisputed 01/23/2026 1154965434 CMS
ORTHO DEVELOPMENT CORPORATION $6,541.36 06/15/2024 Royalty or License Undisputed 01/23/2026 1154965436 CMS
ORTHO DEVELOPMENT CORPORATION $13,130.60 07/15/2024 Royalty or License Undisputed 01/23/2026 1154965432 CMS
ORTHO DEVELOPMENT CORPORATION $10,858.78 08/15/2024 Royalty or License Undisputed 01/23/2026 1154965430 CMS
ORTHO DEVELOPMENT CORPORATION $16,817.12 09/13/2024 Royalty or License Undisputed 01/23/2026 1154965428 CMS
ORTHO DEVELOPMENT CORPORATION $11,331.38 10/15/2024 Royalty or License Undisputed 01/23/2026 1154965426 CMS
ORTHO DEVELOPMENT CORPORATION $9,369.36 11/15/2024 Royalty or License Undisputed 01/23/2026 1154965424 CMS
ORTHO DEVELOPMENT CORPORATION $8,590.74 12/12/2024 Royalty or License Undisputed 01/23/2026 1154965422 CMS
Stryker Corporation $105.63 01/11/2024 Food and Beverage Undisputed 01/23/2026 1119814489 CMS
Zimmer Biomet Holdings, Inc. $804.21 02/28/2024 Food and Beverage Undisputed 01/23/2026 1155012933 CMS
Zimmer Biomet Holdings, Inc. $35.00 05/05/2024 Travel and Lodging Undisputed 01/23/2026 1155012959 CMS
Zimmer Biomet Holdings, Inc. $502.20 05/05/2024 Travel and Lodging Undisputed 01/23/2026 1155012961 CMS
Zimmer Biomet Holdings, Inc. $25.00 05/05/2024 Travel and Lodging Undisputed 01/23/2026 1155012963 CMS
Zimmer Biomet Holdings, Inc. $162.28 05/05/2024 Travel and Lodging Undisputed 01/23/2026 1155012965 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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