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Michael Gardner, MD

Orthopaedic Trauma · Stanford, CANPI 1710101555

Payments from drug & device makers

What this record shows

This record is dominated by royalties or licence payments: $2,221,937 of the $2,942,713 with a category attached, or 75.5%. 25 manufacturers reported payments, led by Si-bone, Inc. at 39.1% of the total. 2025 is the largest year on record at $890,674, 4.1 times the $215,397 reported in 2019. Among orthopaedic trauma clinicians in CA with any reported payments, this total sits in the top 5% — high for the specialty, which is a reason to read the composition above rather than the number alone.

$2,942,713in general payments, 2019–2025

Across 622 payments — averaging $4731.05 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.

  • Si-bone, Inc.$1.1M
  • Depuy Synthes Products, Inc.$1.1M
  • Globus Medical$153K
  • Medical Device Business Services, Inc.$144K
  • KCI USA, Inc.$142K
  • Stryker$136K
  • plus $165K from 19 others
$11,217in research payments, 2019–2025

Across 2 payments — averaging $5608.50 each. Payments tied to a research study. These frequently flow through the physician to a hospital or research institution rather than to the physician personally.

  • Zimmer Biomet$11K

What the payments were for

  • Royalty or licence$2,221,93776%
  • Consulting fees$475,52616%
  • Speaking & faculty fees$90,6083%
  • Travel & lodging$130,4474%
  • Food & beverage$10,7070%
  • Education$13,4880%

General payments by program year

19
20
21
22
23
24
25

Who reported the general payments

Companies are grouped under their corporate parent — a single manufacturer often files under several CMS reporting entities. Research and ownership payments are counted separately and are not in this table.

CompanyPaymentsTotal
Si-bone, Inc.88$1,149,844
Depuy Synthes Products, Inc.31$1,052,985
Globus Medical64$153,130
Medical Device Business Services, Inc.76$143,639
KCI USA, Inc.123$141,619
Stryker105$136,194
Flower Orthopedics Coporation23$89,416
Synthes GmbH27$27,731
Synthes USA Products LLC12$23,741
Osteocentric Technologies, Inc.23$9,214
Conventus Orthopaedics, Inc.5$7,500
Solventum Corporation6$3,709
Johnson & Johnson21$1,370
Orthoxel Designated Activity Company2$1,000
Evolution Surgical, Inc2$274
Arthrex3$243
Zimmer Biomet2$237
Paragon 28, Inc.1$160
Orthofix Medical, Inc.2$156
Kerecis Limited1$145
Axogen1$111
Innovation Technologies Inc1$106
Nuvasive Specialized Orthopedics, Inc.1$96
Acera Surgical, Inc.1$86
My01 Inc.1$8

What the payments were tied to

Products named in the reported payments. Only payments of $100 or more are attributed here — the typical reported payment nationally is a meal worth about $16, and listing those product-by-product would be noise.

How this compares

$2,942,713 in reported general payments places this provider in the 95th percentile of 106 orthopaedic trauma providers in California.

See all orthopaedic trauma providers in California →

Medicare billing

Part B allowed, 2024
$81,277
Medicare patients
112
Services billed
196

What this is not: this is the amount Original Medicare Part B allowed for services this provider billed in 2024. It is not their income. It excludes Medicare Advantage — now more than half of all Medicare enrollment — along with Medicaid and all commercial insurance, and it is gross practice revenue before staff, rent, supplies and malpractice premiums. CMS also suppresses any figure covering ten or fewer patients, so low-volume providers appear smaller than they are.

Other orthopaedic trauma in Stanford

See the full list for California →

Where these figures come from

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