Dollars for Docs

How Industry Dollars Reach Your Doctors

This database was last updated in October 2019 and should only be used as a historical snapshot. Newer data is available at the Centers for Medicare and Medicaid Services Open Payments site.

MARTYN KNOWLES
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MARTYN KNOWLES

Listed Specialty: Vascular Surgery
4414 LAKE BOONE TRL, SUITE 108, RALEIGH, NC, 27607-7513
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Is This Your Doctor?
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MARTYN KNOWLES,
Yearly Payment Breakdown:

2018 Payments At a Glance

82

payments

$69,370

payment total

18

companies paid this doctor

Payment Calendar in 2018

This doctor received a payment on days in 2018.

Each box below represents a single day during the disclosure period. A gray box indicates no payments. The darker the color, the more payments a doctor received that day.

2018

Types of Payments in 2018

Category Payments Payment Value
Consulting
 8 $25,800
Travel and Lodging
 23 $19,209
Nonaccredited Training
 3 $10,500
Honoraria
 3 $7,000
Promotional Speaking/Other
 2 $4,000
Food and Beverage
 42 $2,361
Education
 1 $500

Drugs & Devices in 2018

Totals listed below account for all payments from that mention this product. Beginning in 2016, the government began classifying products as drugs, devices, biologics or medical supplies. Below, you will see drugs (drugs and biologics) and devices (devices and medical supplies). If a payment record mentions more than one product, the entire value will be included in each of those products. When no products are listed, they are not included in the list below.

Product Name Product Type Payments†
IVUS SYSTEMS

device

 $23,153
COOK MEDICAL AAA

device

 $17,076
IGT UNDIVIDED

device

 $13,046
PV.035

device

 $7,000
PENUMBRA RUBY COIL

device

 $3,883
INDIGO

device

 $1,256
COOK MEDICAL CUSTOM MADE DEVICE

device

 $975
COOK MEDICAL ZENITH

device

 $500
VISIONS PV.014

device

 $376
COOK MEDICAL AORTIC INTERVENTION

device

 $323
VISIONS PV .035

device

 $317
ENDURANT

device

 $285
IGT_D PERIPHERAL

device

 $257
EXCLUDER ILIAC BRANCH ENDOPROSTHESIS

device

 $242
CONFORMABLE TAG THORACIC ENDOPROSTHESIS

device

 $154
EXCLUDER AAA ENDOPROSTHESIS

device

 $138
COOK MEDICAL ADVANCED TECH

device

 $122
C3 DELIVERY SYSTEM

device

 $38
FLEXITOUCH

device

 $35
ACTITOUCH

device

 $35
ENTRE

device

 $35
BEVYXXA

drug

 $32
PERIPHERAL ORBITAL ATHERECTOMY SYSTEM

device

 $23
ELIQUIS

drug

 $22
ECM

device

 $18
GENERAL ATHERECTOMY

device

 $17
BRILINTA

drug

 $16
PHOTOFIX

device

 $15
LIFESTENT

device

 $13
XARELTO

drug

 $13
HEMOBLAST BELLOWS

device

 $13
REPATHA

drug

 $11
CHANTIX

drug

 $11
† May not add up to dollar total at top of page, since a payment record may not be associated with any product or can be associated with several products.

Payment Details in 2018

When How Much Related To What For From Third Party Payee
Apr 6, 2018 $12,841 IGT UNDIVIDED Travel and Lodging PHILIPS ELECTRONICS NORTH AMERICA CORPORATION
Jun 8, 2018 $7,500 COOK MEDICAL AAA Nonaccredited Training COOK INCORPORATED
Feb 7, 2018 $7,000 PV.035 Consulting PHILIPS ELECTRONICS NORTH AMERICA CORPORATION
Feb 14, 2018 $5,000 COOK MEDICAL AAA Consulting COOK INCORPORATED
Jun 13, 2018 $4,800 IVUS SYSTEMS Consulting PHILIPS ELECTRONICS NORTH AMERICA CORPORATION
Sep 21, 2018 $4,800 IVUS SYSTEMS Honoraria PHILIPS ELECTRONICS NORTH AMERICA CORPORATION
May 17, 2018 $3,600 IVUS SYSTEMS Consulting PHILIPS ELECTRONICS NORTH AMERICA CORPORATION
Aug 20, 2018 $2,500 COOK MEDICAL AAA Nonaccredited Training COOK INCORPORATED
Apr 6, 2018 $2,400 PENUMBRA RUBY COIL Promotional Speaking/Other PENUMBRA, INC.
Mar 9, 2018 $2,000 IVUS SYSTEMS Consulting PHILIPS ELECTRONICS NORTH AMERICA CORPORATION
Jun 28, 2018 $1,600 IVUS SYSTEMS Promotional Speaking/Other PHILIPS ELECTRONICS NORTH AMERICA CORPORATION
Jul 26, 2018 $1,600 IVUS SYSTEMS Consulting PHILIPS ELECTRONICS NORTH AMERICA CORPORATION
Sep 19, 2018 $1,600 IVUS SYSTEMS Honoraria PHILIPS ELECTRONICS NORTH AMERICA CORPORATION
Jul 27, 2018 $1,200 IVUS SYSTEMS Consulting PHILIPS ELECTRONICS NORTH AMERICA CORPORATION
Jun 8, 2018 $1,051 COOK MEDICAL AAA Travel and Lodging COOK INCORPORATED
Mar 10, 2018 $900 INDIGO Travel and Lodging PENUMBRA, INC.
Feb 23, 2018 $741 PENUMBRA RUBY COIL Travel and Lodging PENUMBRA, INC.
Aug 7, 2018 $600 IVUS SYSTEMS Honoraria PHILIPS ELECTRONICS NORTH AMERICA CORPORATION
Aug 7, 2018 $600 IVUS SYSTEMS Consulting PHILIPS ELECTRONICS NORTH AMERICA CORPORATION
May 21, 2018 $534 COOK MEDICAL CUSTOM MADE DEVICE Travel and Lodging COOK MEDICAL LLC
May 8, 2018 $502 IVUS SYSTEMS Travel and Lodging PHILIPS ELECTRONICS NORTH AMERICA CORPORATION
Aug 31, 2018 $500 COOK MEDICAL ZENITH Nonaccredited Training COOK INCORPORATED
Feb 14, 2018 $500 COOK MEDICAL AAA Education COOK INCORPORATED
Feb 26, 2018 $376 VISIONS PV.014 Travel and Lodging PHILIPS ELECTRONICS NORTH AMERICA CORPORATION
Jan 2, 2018 $327 COOK MEDICAL AAA Travel and Lodging COOK MEDICAL LLC
Apr 4, 2018 $239 PENUMBRA RUBY COIL Travel and Lodging PENUMBRA, INC.
Mar 9, 2018 $231 INDIGO Food and Beverage PENUMBRA, INC.
May 28, 2018 $219 COOK MEDICAL CUSTOM MADE DEVICE Travel and Lodging COOK MEDICAL LLC
May 31, 2018 $208 COOK MEDICAL CUSTOM MADE DEVICE Travel and Lodging COOK MEDICAL LLC
Jan 19, 2018 $200 EXCLUDER ILIAC BRANCH ENDOPROSTHESIS Food and Beverage W. L. GORE & ASSOCIATES, INC.
Apr 25, 2018 $180 IGT UNDIVIDED Travel and Lodging PHILIPS ELECTRONICS NORTH AMERICA CORPORATION
Jun 8, 2018 $172 COOK MEDICAL AAA Travel and Lodging COOK INCORPORATED
Mar 9, 2018 $157 PENUMBRA RUBY COIL Travel and Lodging PENUMBRA, INC.
Mar 10, 2018 $151 PENUMBRA RUBY COIL Travel and Lodging PENUMBRA, INC.
Oct 27, 2018 $145 ENDURANT Food and Beverage MEDTRONIC VASCULAR, INC.
Aug 9, 2018 $141 IGT_D PERIPHERAL Food and Beverage PHILIPS ELECTRONICS NORTH AMERICA CORPORATION
May 17, 2018 $138 IVUS SYSTEMS Travel and Lodging PHILIPS ELECTRONICS NORTH AMERICA CORPORATION
Dec 6, 2018 $138 EXCLUDER AAA ENDOPROSTHESIS Food and Beverage W. L. GORE & ASSOCIATES, INC.
Apr 4, 2018 $133 PENUMBRA RUBY COIL Food and Beverage PENUMBRA, INC.
Mar 10, 2018 $133 VISIONS PV .035 Travel and Lodging PHILIPS ELECTRONICS NORTH AMERICA CORPORATION
Sep 24, 2018 $129 ENDURANT Food and Beverage MEDTRONIC VASCULAR, INC.
Mar 7, 2018 $123 COOK MEDICAL AORTIC INTERVENTION Food and Beverage COOK INCORPORATED
Jan 17, 2018 $119 INDIGO Food and Beverage PENUMBRA, INC.
Mar 12, 2018 $113 VISIONS PV .035 Travel and Lodging PHILIPS ELECTRONICS NORTH AMERICA CORPORATION
May 18, 2018 $113 IVUS SYSTEMS Travel and Lodging PHILIPS ELECTRONICS NORTH AMERICA CORPORATION
Jul 12, 2018 $112 CONFORMABLE TAG THORACIC ENDOPROSTHESIS Food and Beverage W. L. GORE & ASSOCIATES, INC.
Jan 7, 2018 $104 COOK MEDICAL ADVANCED TECH Food and Beverage COOK MEDICAL LLC
Aug 8, 2018 $77 IGT_D PERIPHERAL Food and Beverage PHILIPS ELECTRONICS NORTH AMERICA CORPORATION
Apr 2, 2018 $71 VISIONS PV .035 Food and Beverage PHILIPS ELECTRONICS NORTH AMERICA CORPORATION
Mar 7, 2018 $53 COOK MEDICAL AORTIC INTERVENTION Food and Beverage COOK INCORPORATED
Mar 7, 2018 $51 COOK MEDICAL AORTIC INTERVENTION Food and Beverage COOK INCORPORATED
Mar 7, 2018 $51 COOK MEDICAL AORTIC INTERVENTION Food and Beverage COOK INCORPORATED
Feb 28, 2018 $48 PENUMBRA RUBY COIL Travel and Lodging PENUMBRA, INC.
Mar 7, 2018 $44 COOK MEDICAL AORTIC INTERVENTION Food and Beverage COOK INCORPORATED
Jan 21, 2018 $43 EXCLUDER ILIAC BRANCH ENDOPROSTHESIS Food and Beverage W. L. GORE & ASSOCIATES, INC.
Feb 8, 2018 $42 CONFORMABLE TAG THORACIC ENDOPROSTHESIS Food and Beverage W. L. GORE & ASSOCIATES, INC.
Mar 9, 2018 $39 IGT_D PERIPHERAL Food and Beverage PHILIPS ELECTRONICS NORTH AMERICA CORPORATION
Feb 8, 2018 $38 C3 DELIVERY SYSTEM Food and Beverage W. L. GORE & ASSOCIATES, INC.
Apr 6, 2018 $26 IGT UNDIVIDED Travel and Lodging PHILIPS ELECTRONICS NORTH AMERICA CORPORATION
Jun 8, 2018 $26 COOK MEDICAL AAA Travel and Lodging COOK INCORPORATED
Jun 26, 2018 $23 PERIPHERAL ORBITAL ATHERECTOMY SYSTEM Food and Beverage CARDIOVASCULAR SYSTEMS INC.
May 8, 2018 $20 FLEXITOUCH ACTITOUCH ENTRE Food and Beverage TACTILE SYSTEMS TECHNOLOGY INC
Jan 8, 2018 $18 COOK MEDICAL ADVANCED TECH Food and Beverage COOK MEDICAL LLC
Jul 31, 2018 $18 ECM Food and Beverage AZIYO BIOLOGICS, INC.
Feb 16, 2018 $17 GENERAL ATHERECTOMY Food and Beverage BOSTON SCIENTIFIC CORPORATION
Oct 15, 2018 $16 BRILINTA Food and Beverage ASTRAZENECA PHARMACEUTICALS LP
Jun 14, 2018 $16 BEVYXXA Food and Beverage PORTOLA PHARMACEUTICALS, INC.
Jan 31, 2018 $16 BEVYXXA Food and Beverage PORTOLA PHARMACEUTICALS, INC.
Apr 6, 2018 $16 PENUMBRA RUBY COIL Travel and Lodging PENUMBRA, INC.
Aug 28, 2018 $15 FLEXITOUCH ACTITOUCH ENTRE Food and Beverage TACTILE SYSTEMS TECHNOLOGY INC
Feb 12, 2018 $15 PHOTOFIX Food and Beverage CRYOLIFE, INC.
Jan 8, 2018 $13 LIFESTENT Food and Beverage BARD PERIPHERAL VASCULAR, INC.
Jul 25, 2018 $13 XARELTO Food and Beverage JANSSEN PHARMACEUTICALS, INC
Aug 2, 2018 $13 HEMOBLAST BELLOWS Food and Beverage BIOM'UP SA
Aug 16, 2018 $11 REPATHA Food and Beverage AMGEN INC.
Mar 2, 2018 $11 ENDURANT Food and Beverage MEDTRONIC VASCULAR, INC.
Feb 26, 2018 $11 ELIQUIS Food and Beverage PFIZER INC.
Apr 5, 2018 $11 CHANTIX ELIQUIS Food and Beverage PFIZER INC.
Jun 1, 2018 $10 COOK MEDICAL CUSTOM MADE DEVICE Food and Beverage COOK MEDICAL LLC
May 9, 2018 $5 INDIGO Food and Beverage PENUMBRA, INC.
May 23, 2018 $3 COOK MEDICAL CUSTOM MADE DEVICE Food and Beverage COOK MEDICAL LLC
Jun 1, 2018 $2 COOK MEDICAL CUSTOM MADE DEVICE Food and Beverage COOK MEDICAL LLC
See this doctor’s Open Payments page →

Note: We have made some effort to normalize the data and eliminate duplicates, but the data is primarily as it has been reported by the companies to the Centers for Medicare and Medicaid Services. To purchase the normalized data, please visit the ProPublica Data Store. If you spot an error, please let us know at [email protected].

This site includes data published by the Centers for Medicare and Medicaid Services on June 28, 2019.