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.

MARK W CHANG
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MARK W CHANG

Listed Specialty: Cardiovascular Disease
2428 KNOB CREEK ROAD, JOHNSON CITY, TN, 37604
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MARK CHANG,
Yearly Payment Breakdown:

2018 Payments At a Glance

68

payments

$1,220

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
Food and Beverage
 68 $1,220

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†
BRILINTA

drug

 $124
IGT DEVICES _ UNDIVIDED

device

 $120
LIFEVEST

device

 $112
REPATHA

drug

 $112
ENTRESTO

drug

 $109
CORLANOR

drug

 $100
MITRA CLIP SYSTEM

device

 $88
PRALUENT

drug

 $78
ELIQUIS

drug

 $76
IMPELLA

device

 $73
FARXIGA

drug

 $69
PRADAXA

drug

 $61
XARELTO

drug

 $48
MULTAQ

drug

 $29
YOSPRALA

drug

 $26
ZONTIVITY

drug

 $26
Payments with no listed product

N/A

 $23
ECM

device

 $23
CHANTIX

drug

 $23
ARTIS Q

device

 $18
IMAGE GUIDED THERAPY DEVICES _ CORONARY

device

 $16
BOTOX

drug

 $13
† 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
Oct 11, 2018 $120 IGT DEVICES _ UNDIVIDED Food and Beverage PHILIPS ELECTRONICS NORTH AMERICA CORPORATION
Jun 30, 2018 $88 MITRA CLIP SYSTEM Food and Beverage ABBOTT LABORATORIES
Feb 27, 2018 $73 IMPELLA Food and Beverage ABIOMED
May 1, 2018 $69 FARXIGA Food and Beverage ASTRAZENECA PHARMACEUTICALS LP
Dec 18, 2018 $66 LIFEVEST Food and Beverage ZOLL SERVICES LLC (A/K/A ZOLL LIFECOR CORP)
Jun 20, 2018 $24 PRADAXA Food and Beverage BOEHRINGER INGELHEIM PHARMACEUTICALS, INC.
Jun 12, 2018 $23 PRALUENT Food and Beverage REGENERON HEALTHCARE SOLUTIONS, INC.
Sep 5, 2018 $22 ENTRESTO Food and Beverage NOVARTIS PHARMACEUTICALS CORPORATION
Apr 9, 2018 $20 PRALUENT Food and Beverage SANOFI-AVENTIS U.S. LLC
Mar 7, 2018 $19 ENTRESTO Food and Beverage NOVARTIS PHARMACEUTICALS CORPORATION
Oct 4, 2018 $18 PRALUENT Food and Beverage SANOFI-AVENTIS U.S. LLC
Feb 20, 2018 $18 ARTIS Q Food and Beverage SIEMENS MEDICAL SOLUTIONS USA, INC.
Jul 9, 2018 $17 PRALUENT Food and Beverage SANOFI-AVENTIS U.S. LLC
Dec 12, 2018 $16 ELIQUIS Food and Beverage PFIZER INC.
Feb 20, 2018 $15 MULTAQ Food and Beverage SANOFI-AVENTIS U.S. LLC
Oct 17, 2018 $15 ELIQUIS Food and Beverage PFIZER INC.
Jan 31, 2018 $15 CORLANOR REPATHA Food and Beverage AMGEN INC.
Dec 18, 2018 $15 ENTRESTO Food and Beverage NOVARTIS PHARMACEUTICALS CORPORATION
Nov 6, 2018 $15 ENTRESTO Food and Beverage NOVARTIS PHARMACEUTICALS CORPORATION
Apr 3, 2018 $14 CORLANOR REPATHA Food and Beverage AMGEN INC.
Oct 9, 2018 $14 ENTRESTO Food and Beverage NOVARTIS PHARMACEUTICALS CORPORATION
May 8, 2018 $14 MULTAQ Food and Beverage SANOFI-AVENTIS U.S. LLC
Jan 2, 2018 $14 ZONTIVITY YOSPRALA Food and Beverage ARALEZ PHARMACEUTICALS US INC.
Feb 21, 2018 $14 CORLANOR REPATHA Food and Beverage AMGEN INC.
Apr 10, 2018 $14 PRADAXA Food and Beverage BOEHRINGER INGELHEIM PHARMACEUTICALS, INC.
Feb 6, 2018 $13 CORLANOR REPATHA Food and Beverage AMGEN INC.
Apr 16, 2018 $13 CORLANOR REPATHA Food and Beverage AMGEN INC.
Mar 13, 2018 $13 CORLANOR REPATHA Food and Beverage AMGEN INC.
Apr 5, 2018 $13 PRADAXA Food and Beverage BOEHRINGER INGELHEIM PHARMACEUTICALS, INC.
Sep 26, 2018 $13 No Listed Product Food and Beverage GILEAD SCIENCES INC
Sep 7, 2018 $13 BRILINTA Food and Beverage ASTRAZENECA PHARMACEUTICALS LP
Mar 5, 2018 $13 BOTOX Food and Beverage ALLERGAN INC.
Nov 16, 2018 $13 XARELTO Food and Beverage JANSSEN PHARMACEUTICALS, INC
Nov 29, 2018 $12 ENTRESTO Food and Beverage NOVARTIS PHARMACEUTICALS CORPORATION
Sep 4, 2018 $12 XARELTO Food and Beverage JANSSEN PHARMACEUTICALS, INC
Jan 19, 2018 $12 XARELTO Food and Beverage JANSSEN PHARMACEUTICALS, INC
Jun 18, 2018 $12 BRILINTA Food and Beverage ASTRAZENECA PHARMACEUTICALS LP
Jan 25, 2018 $12 ZONTIVITY YOSPRALA Food and Beverage ARALEZ PHARMACEUTICALS US INC.
Jul 11, 2018 $12 BRILINTA Food and Beverage ASTRAZENECA PHARMACEUTICALS LP
Jun 21, 2018 $12 REPATHA Food and Beverage AMGEN INC.
Apr 30, 2018 $12 BRILINTA Food and Beverage ASTRAZENECA PHARMACEUTICALS LP
Oct 23, 2018 $12 ENTRESTO Food and Beverage NOVARTIS PHARMACEUTICALS CORPORATION
Apr 18, 2018 $11 CHANTIX ELIQUIS Food and Beverage PFIZER INC.
Jul 30, 2018 $11 CHANTIX ELIQUIS Food and Beverage PFIZER INC.
Jul 10, 2018 $11 PRADAXA Food and Beverage BOEHRINGER INGELHEIM PHARMACEUTICALS, INC.
Jan 16, 2018 $11 BRILINTA Food and Beverage ASTRAZENECA PHARMACEUTICALS LP
May 31, 2018 $11 BRILINTA Food and Beverage ASTRAZENECA PHARMACEUTICALS LP
Feb 26, 2018 $11 BRILINTA Food and Beverage ASTRAZENECA PHARMACEUTICALS LP
Sep 19, 2018 $11 ELIQUIS Food and Beverage PFIZER INC.
Dec 5, 2018 $11 LIFEVEST Food and Beverage ZOLL SERVICES LLC (A/K/A ZOLL LIFECOR CORP)
Aug 23, 2018 $11 ELIQUIS Food and Beverage E.R. SQUIBB & SONS, L.L.C.
Aug 7, 2018 $11 BRILINTA Food and Beverage ASTRAZENECA PHARMACEUTICALS LP
May 14, 2018 $11 BRILINTA Food and Beverage ASTRAZENECA PHARMACEUTICALS LP
Oct 25, 2018 $11 XARELTO Food and Beverage JANSSEN PHARMACEUTICALS, INC
Mar 6, 2018 $11 BRILINTA Food and Beverage ASTRAZENECA PHARMACEUTICALS LP
Nov 13, 2018 $11 No Listed Product Food and Beverage GILEAD SCIENCES INC
May 2, 2018 $10 LIFEVEST Food and Beverage ZOLL SERVICES LLC (A/K/A ZOLL LIFECOR CORP)
Apr 27, 2018 $10 CORLANOR REPATHA Food and Beverage AMGEN INC.
Oct 24, 2018 $10 BRILINTA Food and Beverage ASTRAZENECA PHARMACEUTICALS LP
Aug 29, 2018 $9 LIFEVEST Food and Beverage ZOLL SERVICES LLC (A/K/A ZOLL LIFECOR CORP)
Jan 30, 2018 $9 LIFEVEST Food and Beverage ZOLL SERVICES LLC (A/K/A ZOLL LIFECOR CORP)
Sep 19, 2018 $8 IMAGE GUIDED THERAPY DEVICES _ CORONARY Food and Beverage PHILIPS ELECTRONICS NORTH AMERICA CORPORATION
Mar 26, 2018 $8 ECM Food and Beverage AZIYO BIOLOGICS, INC.
Mar 23, 2018 $8 ECM Food and Beverage AZIYO BIOLOGICS, INC.
Jun 14, 2018 $8 CORLANOR REPATHA Food and Beverage AMGEN INC.
Aug 21, 2018 $8 IMAGE GUIDED THERAPY DEVICES _ CORONARY Food and Beverage PHILIPS ELECTRONICS NORTH AMERICA CORPORATION
Jan 15, 2018 $7 LIFEVEST Food and Beverage ZOLL SERVICES LLC (A/K/A ZOLL LIFECOR CORP)
May 4, 2018 $7 ECM Food and Beverage AZIYO BIOLOGICS, INC.
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.