Has Marc Gerdisch, MD received payments from drug or device companies?

Yes. Drug and device makers reported $1,353,903 in general payments to Marc Gerdisch, MD across 979 transactions between 2019–2025. Most Open Payments records nationally are meals worth under $20; a reported payment is not evidence of wrongdoing.

Does a payment mean Marc Gerdisch, MD did something wrong?

No. Federal law requires drug and device makers to report almost every transfer of value to a physician, including a $14 sandwich at a lunch presentation. Consulting fees, research funding and royalties to device inventors are ordinary, legal parts of medicine. This site reports what was disclosed; it makes no allegation.

Where does this information about Marc Gerdisch, MD come from?

The U.S. Centers for Medicare & Medicaid Services. Payments come from Open Payments, published under the Physician Payments Sunshine Act. Billing and prescribing figures come from the Medicare Physician & Other Practitioners and Part D Prescriber public use files for 2024.

Marc Gerdisch, MD

Thoracic Surgery (Cardiothoracic Vascular Surgery) · Indianapolis, INNPI 1508822255

Payments from drug & device makers

What this record shows

This record is dominated by consulting fees: $1,052,613 of the $1,353,903 with a category attached, or 77.7%. 50 manufacturers reported payments, led by Atricure, Inc. at 33.9% of the total. 2025 is the largest year on record at $424,758, 3.7 times the $115,199 reported in 2019. Among thoracic surgery (cardiothoracic vascular surgery) clinicians in IN 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.

$1,353,903in general payments, 2019–2025

Across 979 payments — averaging $1382.94 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.

Atricure, Inc.$459K
Arthrex$441K
Artivion, Inc.$143K
Clearflow Inc.$121K
Biostable Science & Engineering$110K
Zimmer Biomet$63K
plus $16K from 44 others

$636,533in research payments, 2019–2025

Across 139 payments — averaging $4579.37 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.

Atricure, Inc.$415K
Zimmer Biomet$78K
Artivion, Inc.$75K
Medtronic$68K

What the payments were for

Royalty or licence$29,4782%
Consulting fees$1,052,61378%
Speaking & faculty fees$155,94012%
Travel & lodging$88,2337%
Food & beverage$24,2982%
Education$1910%
Gifts$1500%
Ownership interest$3,0000%

General payments by program year

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.

Company	Payments	Total
Atricure, Inc.	385	$459,454
Arthrex	204	$441,110
Artivion, Inc.	77	$143,290
Clearflow Inc.	14	$120,500
Biostable Science & Engineering	34	$110,055
Zimmer Biomet	64	$63,311
Edwards Lifesciences	37	$7,652
Abbott	18	$3,705
Medtronic(2 entities)	23	$1,246
Abiomed	6	$362
Corcym Inc	2	$304
Johnson & Johnson(2 entities)	6	$277
Boehringer Ingelheim	8	$267
ZOLL Services LLC (a/k/a ZOLL Lifecor Corp)	19	$234
Chiesi USA, Inc.	16	$193
Hemosonics LLC	2	$182
Crossroads Orthopedics, LLC	2	$176
Encore Medical, LP	2	$150
La Jolla Pharmaceutical Company	1	$132
Bolton Medical Inc	1	$98
Covidien LP	2	$78
Lemaitre Vascular, Inc.	3	$78
Mallinckrodt Enterprises LLC	4	$72
Boston Scientific	3	$69
Stryker	3	$68
Trevena, Inc.	4	$59
Kls-martin L.p.	5	$56
Vital Connect, Inc	2	$56
Supreme Orthopedic Systems, LLC	1	$48
Mallinckrodt Hospital Products Inc.	2	$46
Angiodynamics, Inc.	3	$46
Sanara Medtech Inc.	2	$46
KCI USA, Inc.	2	$45
Kestra Medical Technology Services, Inc.	2	$44
Elutia, Inc.	3	$42
Davol Inc.	2	$36
Baxter Healthcare	1	$34
W. L. Gore & Associates, Inc.	2	$34
Quest Medical Inc.	1	$31
Kiniksa Pharmaceuticals International, PLC	1	$30
Novartis	1	$25
Cerus Corporation	1	$25
KARL Storz Endoscopy-america	1	$23
Vertex	1	$20
Biomerieux Inc	1	$17
Advanced Respiratory, Inc	1	$17
BD	1	$17
Bard Peripheral Vascular, Inc.	1	$15
Imperative Care, Inc	1	$15
E.r. Squibb & Sons, L.L.C.	1	$11

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.

SYNERGY ABLATION SYSTEM$288,723
Pleuraflow System with FlowGlide$120,500
ON-X AORTIC HEART VALVE WITH CONFORM-X SEWING RING AND EXTENDED HOLDER$105,666
ATRICURE SYNERGY ABLATION SYSTEM$74,194
ATRICLIP LAA EXCLUSION SYSTEM$45,886
ATRICURE CRYOICE CRYOSPHERE CRYOABLATION SYSTEM$41,114
On-X$33,328
EPI-SENSE GUIDED COAGULATION SYSTEM WITH VISITRAX$28,289
WalterLorenz Surgical Assist Arm$27,840
SternaLock Blu$25,111
SHOULDER SUTURE CERCLAGE CERCLAGE$12,834
ARTHREX$11,603
DISSECTOR$9,620
ISOLATOR SURGICAL ABLATION SYSTEM$8,254
ATRICURE CRYOICE CRYOABLATION SYSTEM (CRYO2)$6,693
SternaLock 360$5,880
CRYOVALVE SG PULMONARY HUMAN HEART VALVE$3,812
ATRICURE SYNERGY ABLATION SYSTEMS$3,500
Epic$3,342
Walter$1,761

How this compares

$1,353,903 in reported general payments places this provider in the 95th percentile of 127 thoracic surgery (cardiothoracic vascular surgery) providers in Indiana.

See all thoracic surgery (cardiothoracic vascular surgery) providers in Indiana →

Medicare billing

Part B allowed, 2024

$216,933

Medicare patients

151

Services billed

345

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 thoracic surgery (cardiothoracic vascular surgery) in Indianapolis

Andrew BarksdaleIndianapolis$158K
Manesh ParikshakIndianapolis$61K
Ashish PulikalIndianapolis$36K
Nakul ValsangkarIndianapolis$33K
Karen RiegerIndianapolis$28K
John FehrenbacherIndianapolis$26K
John BrownIndianapolis$25K
Vincent NardyIndianapolis$19K
David HeimansohnIndianapolis$17K
Rachit GuptaIndianapolis$16K

See the full list for Indiana →

Where these figures come from

Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
Billing: Medicare Physician & Other Practitioners, data year 2024. Original Medicare Part B only.
Identity: NPPES NPI Registry, July 2026.

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