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.

MICHAEL S CHANG
Is This Your Doctor?

MICHAEL S CHANG

Listed Specialty: Orthopaedic Surgery of the Spine
1462 S. DOBSON ROAD, SUITE 201, MESA, AZ, 85202
Is This Your Doctor?

DR. MICHAEL CHANG,
Yearly Payment Breakdown:

2018 Payments At a Glance

65

payments

$94,605

payment total

12

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
17 $81,804
Travel and Lodging
14 $10,617
Food and Beverage
34 $2,185

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
TRITANIUM

device

$47,158
MAKO

device

$22,685
SERRATO

device

$20,537
EXPEDIUM

device

$8,001
SPINAL IMPLANTS

device

$2,463
NEW PRODUCT DEVELOPMENT

device

$347
POSTERIOR FUSION

device

$208
Payments with no listed product

N/A

$181
DBM

device

$129
ES2

device

$122
NAV - NAVSUITE INTEGRATED OR

device

$122
CD HORIZON

device

$114
CREO

device

$106
SYNFIX

device

$106
VIPER

device

$106
STRATAFIX

device

$37
SURGIFLO HEMOSTATIC MATRIX FAMILY OF PRODUCTS

device

$37
COFLEX

device

$33
MAZORX - RENAISSANCE

device

$31
BONE MARROW ASPIRATE CONCENTRATE SYSTEM

device

$30
VERTEBRAL MOTION ANALYSIS, PROFILE-ESP

device

$28
OSTEOSTRAND

device

$22
VIMOVO

drug

$16
† 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
Sep 13, 2018 $28,000 TRITANIUM Consulting STRYKER CORPORATION MYC CONSULTING LLC
Aug 2, 2018 $16,000 MAKO Consulting STRYKER CORPORATION MYC CONSULTING LLC
Dec 20, 2018 $8,500 SERRATO Consulting STRYKER CORPORATION MYC CONSULTING LLC
Mar 8, 2018 $7,600 TRITANIUM SERRATO Consulting STRYKER CORPORATION MYC CONSULTING LLC
Mar 28, 2018 $5,756 TRITANIUM Travel and Lodging STRYKER CORPORATION
Feb 23, 2018 $5,663 EXPEDIUM Consulting MEDICAL DEVICE BUSINESS SERVICES, INC. MYC CONSULTING LLC
Feb 22, 2018 $4,750 TRITANIUM Consulting STRYKER CORPORATION MYC CONSULTING LLC
Jun 7, 2018 $2,060 EXPEDIUM Consulting MEDICAL DEVICE BUSINESS SERVICES, INC. MYC CONSULTING LLC
Jul 26, 2018 $1,750 MAKO Consulting STRYKER CORPORATION
Nov 12, 2018 $1,565 SERRATO Travel and Lodging STRYKER CORPORATION
Jul 26, 2018 $1,500 MAKO Consulting STRYKER CORPORATION MYC CONSULTING LLC
Mar 22, 2018 $1,500 MAKO Consulting STRYKER CORPORATION MYC CONSULTING LLC
Jun 28, 2018 $1,193 MAKO Travel and Lodging STRYKER CORPORATION
Sep 5, 2018 $1,000 SPINAL IMPLANTS Consulting SPINE WAVE, INC.
Nov 29, 2018 $1,000 SERRATO Consulting STRYKER CORPORATION MYC CONSULTING LLC
Nov 29, 2018 $1,000 SERRATO Consulting STRYKER CORPORATION MYC CONSULTING LLC
Apr 11, 2018 $600 SPINAL IMPLANTS Consulting SPINE WAVE, INC.
Jan 18, 2018 $478 TRITANIUM Travel and Lodging STRYKER CORPORATION
Dec 20, 2018 $445 SERRATO Travel and Lodging STRYKER CORPORATION MYC CONSULTING LLC
Jun 13, 2018 $400 SPINAL IMPLANTS Consulting SPINE WAVE, INC.
May 25, 2018 $400 TRITANIUM Travel and Lodging STRYKER CORPORATION
Jan 9, 2018 $400 SPINAL IMPLANTS Consulting SPINE WAVE, INC.
Jun 30, 2018 $268 MAKO Travel and Lodging STRYKER CORPORATION
Jun 28, 2018 $180 MAKO Travel and Lodging STRYKER CORPORATION
May 1, 2018 $168 No Listed Product Food and Beverage SEASPINE ORTHOPEDICS CORPORATION
Jan 26, 2018 $147 TRITANIUM Food and Beverage STRYKER CORPORATION
Apr 11, 2018 $143 NEW PRODUCT DEVELOPMENT Food and Beverage STRYKER CORPORATION
Dec 1, 2018 $134 SERRATO Travel and Lodging STRYKER CORPORATION
Feb 13, 2018 $129 DBM Food and Beverage STRYKER CORPORATION
Jun 29, 2018 $127 NEW PRODUCT DEVELOPMENT Food and Beverage STRYKER CORPORATION
Feb 8, 2018 $125 EXPEDIUM Food and Beverage MEDICAL DEVICE BUSINESS SERVICES, INC.
Sep 26, 2018 $122 MAKO NAV - NAVSUITE INTEGRATED OR ES2 Food and Beverage STRYKER CORPORATION
Oct 2, 2018 $114 CD HORIZON Food and Beverage MEDTRONIC USA, INC.
Nov 30, 2018 $114 SERRATO Food and Beverage STRYKER CORPORATION
Mar 29, 2018 $106 CREO Food and Beverage GLOBUS MEDICAL, INC.
Mar 1, 2018 $106 SYNFIX VIPER Food and Beverage DEPUY SYNTHES SALES INC.
Aug 13, 2018 $93 POSTERIOR FUSION Food and Beverage SPINE WAVE, INC.
Jun 29, 2018 $91 MAKO Food and Beverage STRYKER CORPORATION
Aug 2, 2018 $81 MAKO Consulting STRYKER CORPORATION MYC CONSULTING LLC
Jan 9, 2018 $75 POSTERIOR FUSION Food and Beverage SPINE WAVE, INC.
Nov 30, 2018 $72 SERRATO Travel and Lodging STRYKER CORPORATION
Sep 27, 2018 $63 SPINAL IMPLANTS Food and Beverage SPINE WAVE, INC.
Dec 20, 2018 $54 SERRATO Travel and Lodging STRYKER CORPORATION MYC CONSULTING LLC
Sep 26, 2018 $51 NEW PRODUCT DEVELOPMENT Food and Beverage STRYKER CORPORATION
Feb 9, 2018 $50 EXPEDIUM Food and Beverage MEDICAL DEVICE BUSINESS SERVICES, INC.
Jun 13, 2018 $40 POSTERIOR FUSION Food and Beverage SPINE WAVE, INC.
Feb 9, 2018 $40 EXPEDIUM Food and Beverage MEDICAL DEVICE BUSINESS SERVICES, INC.
Feb 9, 2018 $35 EXPEDIUM Food and Beverage MEDICAL DEVICE BUSINESS SERVICES, INC.
Jun 11, 2018 $31 MAZORX - RENAISSANCE Food and Beverage MEDTRONIC USA, INC.
Oct 29, 2018 $30 BONE MARROW ASPIRATE CONCENTRATE SYSTEM Food and Beverage TERUMO BCT, INC.
Feb 23, 2018 $28 EXPEDIUM Travel and Lodging MEDICAL DEVICE BUSINESS SERVICES, INC. MYC CONSULTING LLC
May 31, 2018 $28 VERTEBRAL MOTION ANALYSIS, PROFILE-ESP Food and Beverage ORTHO KINEMATICS INC.
Mar 8, 2018 $27 TRITANIUM SERRATO Travel and Lodging STRYKER CORPORATION MYC CONSULTING LLC
Aug 6, 2018 $22 OSTEOSTRAND Food and Beverage SEASPINE ORTHOPEDICS CORPORATION
Jun 14, 2018 $19 COFLEX Food and Beverage PARADIGM SPINE, LLC
Feb 7, 2018 $16 VIMOVO Food and Beverage HORIZON PHARMA PLC
Jun 28, 2018 $16 NEW PRODUCT DEVELOPMENT Food and Beverage STRYKER CORPORATION
Dec 20, 2018 $16 SERRATO Travel and Lodging STRYKER CORPORATION MYC CONSULTING LLC
Jun 20, 2018 $14 COFLEX Food and Beverage PARADIGM SPINE, LLC
Nov 22, 2018 $14 STRATAFIX SURGIFLO HEMOSTATIC MATRIX FAMILY OF PRODUCTS Food and Beverage ETHICON US, LLC
May 15, 2018 $13 No Listed Product Food and Beverage SEASPINE ORTHOPEDICS CORPORATION
Mar 26, 2018 $13 STRATAFIX SURGIFLO HEMOSTATIC MATRIX FAMILY OF PRODUCTS Food and Beverage ETHICON US, LLC
Dec 11, 2018 $11 STRATAFIX SURGIFLO HEMOSTATIC MATRIX FAMILY OF PRODUCTS Food and Beverage ETHICON US, LLC
Jun 29, 2018 $10 NEW PRODUCT DEVELOPMENT Food and Beverage STRYKER CORPORATION
Dec 20, 2018 $10 SERRATO Food and Beverage STRYKER CORPORATION MYC CONSULTING 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.