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Patrick Greiffenstein, MD

Trauma Surgery · New Orleans, LANPI 1013108174

Payments from drug & device makers

What this record shows

This record is dominated by consulting fees: $132,910 of the $161,174 with a category attached, or 82.5%. Zimmer Biomet accounts for 79.9% of it on its own, with 26 other manufacturers making up the rest. Reporting peaked in 2022 at $58,667 and has fallen 95.7% since, to $2,537 in 2025. Among trauma surgery clinicians in LA with any reported payments, this total sits in the top 10% — high for the specialty, which is a reason to read the composition above rather than the number alone.

$161,174in general payments, 2019–2025

Across 323 payments — averaging $498.99 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.

  • Zimmer Biomet$129K
  • Medical Device Business Services, Inc.$23K
  • Synthes USA Products LLC$5K
  • Intuitive Surgical$940
  • Aroa Biosurgery Incorporated$495
  • Atricure, Inc.$373
  • plus $2K from 21 others

What the payments were for

  • Consulting fees$132,91082%
  • Travel & lodging$8,3465%
  • Food & beverage$5,8904%
  • Education$14,0299%

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
Zimmer Biomet241$128,758
Medical Device Business Services, Inc.10$23,490
Synthes USA Products LLC1$5,050
Intuitive Surgical4$940
Aroa Biosurgery Incorporated16$495
Atricure, Inc.4$373
Johnson & Johnson8$335
Prytime Medical Devices, Inc.9$276
Polynovo North America LLC3$211
Biocomposites Inc2$190
Innovation Technologies Inc2$188
Haemonetics Corporation3$152
Vertex2$102
Baxter Healthcare2$100
Davol Inc.2$87
Teleflex LLC2$82
CLR Medical, Inc.1$55
Acera Surgical, Inc.2$51
Covidien LP1$42
BD1$37
Organogenesis Inc.1$37
Avanos Medical1$35
Urgo Medical North America, LLC1$26
Reprise Biomedical, Inc.1$20
AstraZeneca1$18
Livanova USA, Inc.1$12
KCI USA, Inc.1$12

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

$161,174 in reported general payments places this provider in the 90th percentile of 20 trauma surgery providers in Louisiana.

See all trauma surgery providers in Louisiana →

Medicare billing

Part B allowed, 2024
$32,247
Medicare patients
85
Services billed
239

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 trauma surgery in New Orleans

See the full list for Louisiana →

Where these figures come from

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