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.

THOMAS J CHANG
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THOMAS J CHANG

Listed Specialty: Podiatrist, Foot & Ankle Surgery
208 CONCOURSE BOULEVARD, SUITE 1, SANTA ROSA, CA, 95403-8210
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DR. THOMAS CHANG,
Yearly Payment Breakdown:

2018 Payments At a Glance

100

payments

$404,745

payment total

13

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
Royalty or License
 17 $314K
Consulting
 13 $72,444
Travel and Lodging
 25 $8,705
Promotional Speaking/Other
 1 $6,975
Food and Beverage
 41 $2,753
Education
 3 $327

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†
FOOT AND ANKLE IMPLANTS

device

 $213K
Payments with no listed product

N/A

 $134K
VARIAX

device

 $29,048
ANCHORAGE

device

 $19,148
STAR

device

 $18,759
HOFFMANN

device

 $18,410
CARTIVA

device

 $16,485
EXOGEN

device

 $7,828
BME NITINOL CONTINUOUS COMPRESSION IMPLANTS

device

 $1,427
GORILLA PLATING SYSTEM

device

 $724
MONSTER SCREW SYSTEM

device

 $724
PHANTOM LAPIDUS NAIL

device

 $724
PROMO

device

 $724
TRIATHLON

device

 $252
PHANTOM NAIL

device

 $120
BIO4

device

 $99
EASY CLIP

device

 $99
ACCULIF

device

 $95
TITAN WEDGES

drug

 $88
LAPIDUS SYSTEM

device

 $87
NUSHIELD

device

 $70
AUGMENT

device

 $66
PRO-DENSE

device

 $64
ALLOMATRIX

device

 $49
LAPIDUS NAIL

device

 $38
MEDIAL COLUMN PLATING

device

 $36
ASNIS

device

 $36
AMNIOEXCEL

device

 $30
IDRT

device

 $30
OMNIGRAFT

device

 $30
PRIMATRIX

device

 $30
TCC-EZ

device

 $30
BAXDELA

drug

 $21
ORBACTIV

drug

 $21
VABOMERE

drug

 $21
GAMMA

device

 $20
ANKLE FRACTURES

device

 $8
† 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
May 1, 2018 $51,383 FOOT AND ANKLE IMPLANTS Royalty or License PARAGON 28, INC.
Aug 2, 2018 $31,093 No Listed Product Royalty or License DEPUY SYNTHES PRODUCTS LLC
May 2, 2018 $30,284 No Listed Product Royalty or License DEPUY SYNTHES PRODUCTS LLC
Nov 2, 2018 $30,061 FOOT AND ANKLE IMPLANTS Royalty or License PARAGON 28, INC.
Nov 7, 2018 $29,870 No Listed Product Royalty or License DEPUY SYNTHES PRODUCTS LLC
Aug 1, 2018 $28,764 FOOT AND ANKLE IMPLANTS Royalty or License PARAGON 28, INC.
Jan 29, 2018 $28,425 No Listed Product Royalty or License DEPUY SYNTHES PRODUCTS LLC
Feb 1, 2018 $26,128 FOOT AND ANKLE IMPLANTS Royalty or License PARAGON 28, INC.
Nov 2, 2018 $17,016 FOOT AND ANKLE IMPLANTS Royalty or License PARAGON 28, INC.
Nov 8, 2018 $17,000 ANCHORAGE VARIAX STAR HOFFMANN Consulting STRYKER CORPORATION
Dec 20, 2018 $16,343 FOOT AND ANKLE IMPLANTS Consulting PARAGON 28, INC.
Aug 1, 2018 $16,276 FOOT AND ANKLE IMPLANTS Royalty or License PARAGON 28, INC.
Feb 1, 2018 $13,977 FOOT AND ANKLE IMPLANTS Royalty or License PARAGON 28, INC.
Sep 20, 2018 $9,000 VARIAX Consulting STRYKER CORPORATION
Nov 26, 2018 $6,975 EXOGEN Promotional Speaking/Other BIOVENTUS LLC
Jan 30, 2018 $5,250 CARTIVA Consulting CARTIVA, INC.
Mar 7, 2018 $5,087 CARTIVA Consulting CARTIVA, INC.
Nov 2, 2018 $4,191 FOOT AND ANKLE IMPLANTS Royalty or License PARAGON 28, INC.
Feb 23, 2018 $4,004 No Listed Product Consulting MEDICAL DEVICE BUSINESS SERVICES, INC.
Aug 1, 2018 $3,427 FOOT AND ANKLE IMPLANTS Royalty or License PARAGON 28, INC.
May 8, 2018 $3,250 CARTIVA Consulting CARTIVA, INC.
Jul 13, 2018 $3,115 No Listed Product Consulting MEDICAL DEVICE BUSINESS SERVICES, INC.
Aug 14, 2018 $2,363 FOOT AND ANKLE IMPLANTS Consulting PARAGON 28, INC.
Jan 30, 2018 $2,256 CARTIVA Travel and Lodging CARTIVA, INC.
Mar 22, 2018 $2,003 No Listed Product Consulting MEDICAL DEVICE BUSINESS SERVICES, INC.
Jul 23, 2018 $1,780 No Listed Product Consulting SYNTHES USA PRODUCTS LLC
Jan 23, 2018 $1,750 No Listed Product Consulting CROSSROADS EXTREMITY SYSTEMS, LLC
Jan 23, 2018 $1,500 No Listed Product Consulting CROSSROADS EXTREMITY SYSTEMS, LLC
Aug 21, 2018 $1,470 VARIAX Travel and Lodging STRYKER CORPORATION
Sep 24, 2018 $1,311 ANCHORAGE VARIAX STAR HOFFMANN Travel and Lodging STRYKER CORPORATION
Jul 30, 2018 $1,030 FOOT AND ANKLE IMPLANTS Royalty or License PARAGON 28, INC.
Feb 1, 2018 $837 FOOT AND ANKLE IMPLANTS Royalty or License PARAGON 28, INC.
Mar 1, 2018 $650 FOOT AND ANKLE IMPLANTS Royalty or License PARAGON 28, INC.
Oct 13, 2018 $514 ANCHORAGE Travel and Lodging STRYKER CORPORATION
May 14, 2018 $476 BME NITINOL CONTINUOUS COMPRESSION IMPLANTS Travel and Lodging MEDICAL DEVICE BUSINESS SERVICES, INC.
Mar 23, 2018 $443 CARTIVA Food and Beverage CARTIVA, INC.
Sep 30, 2018 $339 GORILLA PLATING SYSTEM MONSTER SCREW SYSTEM PROMO PHANTOM LAPIDUS NAIL Food and Beverage PARAGON 28, INC.
Jan 20, 2018 $312 BME NITINOL CONTINUOUS COMPRESSION IMPLANTS Travel and Lodging MEDICAL DEVICE BUSINESS SERVICES, INC.
Sep 28, 2018 $286 GORILLA PLATING SYSTEM MONSTER SCREW SYSTEM PROMO PHANTOM LAPIDUS NAIL Travel and Lodging PARAGON 28, INC.
Dec 4, 2018 $252 TRIATHLON Travel and Lodging STRYKER CORPORATION
Oct 25, 2018 $208 EXOGEN Travel and Lodging BIOVENTUS LLC
May 14, 2018 $206 BME NITINOL CONTINUOUS COMPRESSION IMPLANTS Travel and Lodging MEDICAL DEVICE BUSINESS SERVICES, INC.
Feb 23, 2018 $167 No Listed Product Travel and Lodging MEDICAL DEVICE BUSINESS SERVICES, INC.
Oct 18, 2018 $159 EXOGEN Travel and Lodging BIOVENTUS LLC
Jan 20, 2018 $156 BME NITINOL CONTINUOUS COMPRESSION IMPLANTS Travel and Lodging MEDICAL DEVICE BUSINESS SERVICES, INC.
Aug 22, 2018 $145 VARIAX Travel and Lodging STRYKER CORPORATION
Jan 20, 2018 $145 BME NITINOL CONTINUOUS COMPRESSION IMPLANTS Travel and Lodging MEDICAL DEVICE BUSINESS SERVICES, INC.
Jan 30, 2018 $142 CARTIVA Food and Beverage CARTIVA, INC.
Dec 6, 2018 $137 STAR Travel and Lodging STRYKER CORPORATION
Oct 12, 2018 $137 STAR Food and Beverage STRYKER CORPORATION
Aug 27, 2018 $130 FOOT AND ANKLE IMPLANTS Royalty or License PARAGON 28, INC.
Jul 13, 2018 $124 No Listed Product Travel and Lodging MEDICAL DEVICE BUSINESS SERVICES, INC.
Aug 21, 2018 $122 VARIAX Travel and Lodging STRYKER CORPORATION
Jun 8, 2018 $120 PHANTOM NAIL Education PARAGON 28, INC.
Oct 29, 2018 $120 No Listed Product Education PARAGON 28, INC.
Jul 10, 2018 $108 STAR Food and Beverage STRYKER CORPORATION
Aug 21, 2018 $99 ANCHORAGE HOFFMANN EASY CLIP BIO4 Food and Beverage STRYKER CORPORATION
May 24, 2018 $95 EXOGEN Food and Beverage BIOVENTUS LLC
Feb 2, 2018 $95 ACCULIF Food and Beverage STRYKER CORPORATION
Jan 24, 2018 $88 TITAN WEDGES Education PARAGON 28, INC.
Apr 11, 2018 $87 LAPIDUS SYSTEM Food and Beverage PARAGON 28, INC.
Nov 26, 2018 $82 EXOGEN Travel and Lodging BIOVENTUS LLC
Oct 13, 2018 $75 ANCHORAGE Food and Beverage STRYKER CORPORATION
Mar 22, 2018 $74 GORILLA PLATING SYSTEM MONSTER SCREW SYSTEM PROMO PHANTOM LAPIDUS NAIL Food and Beverage PARAGON 28, INC.
Nov 26, 2018 $72 EXOGEN Food and Beverage BIOVENTUS LLC
Feb 1, 2018 $70 NUSHIELD Food and Beverage ORGANOGENESIS INC.
Dec 6, 2018 $66 STAR Travel and Lodging STRYKER CORPORATION
Jan 9, 2018 $64 PRO-DENSE Food and Beverage WRIGHT MEDICAL TECHNOLOGY, INC.
Jul 12, 2018 $56 CARTIVA Food and Beverage CARTIVA, INC.
Apr 30, 2018 $50 BME NITINOL CONTINUOUS COMPRESSION IMPLANTS Food and Beverage DEPUY SYNTHES SALES INC.
Oct 13, 2018 $50 ANCHORAGE Food and Beverage STRYKER CORPORATION
Oct 13, 2018 $50 ANCHORAGE Food and Beverage STRYKER CORPORATION
Apr 13, 2018 $49 ALLOMATRIX Food and Beverage WRIGHT MEDICAL TECHNOLOGY, INC.
Oct 12, 2018 $49 ANCHORAGE Food and Beverage STRYKER CORPORATION
Feb 26, 2018 $47 EXOGEN Food and Beverage BIOVENTUS LLC
Nov 19, 2018 $42 AUGMENT Food and Beverage WRIGHT MEDICAL TECHNOLOGY, INC.
Oct 19, 2018 $40 EXOGEN Food and Beverage BIOVENTUS LLC
May 14, 2018 $39 BME NITINOL CONTINUOUS COMPRESSION IMPLANTS Food and Beverage MEDICAL DEVICE BUSINESS SERVICES, INC.
Oct 16, 2018 $38 LAPIDUS NAIL Food and Beverage PARAGON 28, INC.
Oct 2, 2018 $36 MEDIAL COLUMN PLATING Food and Beverage PARAGON 28, INC.
Jul 12, 2018 $36 ASNIS Food and Beverage STRYKER CORPORATION
Nov 26, 2018 $35 EXOGEN Travel and Lodging BIOVENTUS LLC
Oct 1, 2018 $30 AMNIOEXCEL TCC-EZ PRIMATRIX IDRT OMNIGRAFT Food and Beverage DERMA SCIENCES, INC.
Jul 13, 2018 $29 No Listed Product Food and Beverage MEDICAL DEVICE BUSINESS SERVICES, INC.
Feb 5, 2018 $28 No Listed Product Food and Beverage PARAGON 28, INC.
Sep 29, 2018 $25 GORILLA PLATING SYSTEM MONSTER SCREW SYSTEM PROMO PHANTOM LAPIDUS NAIL Travel and Lodging PARAGON 28, INC.
Jun 17, 2018 $24 AUGMENT Food and Beverage WRIGHT MEDICAL TECHNOLOGY, INC.
Jan 20, 2018 $22 BME NITINOL CONTINUOUS COMPRESSION IMPLANTS Food and Beverage MEDICAL DEVICE BUSINESS SERVICES, INC.
Nov 26, 2018 $22 EXOGEN Travel and Lodging BIOVENTUS LLC
Jan 20, 2018 $22 BME NITINOL CONTINUOUS COMPRESSION IMPLANTS Food and Beverage MEDICAL DEVICE BUSINESS SERVICES, INC.
Oct 29, 2018 $21 BAXDELA VABOMERE ORBACTIV Food and Beverage MELINTA THERAPEUTICS, INC.
Jan 29, 2018 $20 GAMMA Food and Beverage STRYKER CORPORATION
Oct 25, 2018 $20 EXOGEN Travel and Lodging BIOVENTUS LLC
Feb 26, 2018 $19 EXOGEN Food and Beverage BIOVENTUS LLC
Nov 26, 2018 $18 EXOGEN Food and Beverage BIOVENTUS LLC
Nov 26, 2018 $17 EXOGEN Food and Beverage BIOVENTUS LLC
Aug 7, 2018 $8 ANKLE FRACTURES Food and Beverage PARAGON 28, INC.
Mar 15, 2018 $8 EXOGEN Food and Beverage BIOVENTUS LLC
Nov 26, 2018 $8 EXOGEN Travel and Lodging BIOVENTUS LLC
Apr 12, 2018 $3 EXOGEN Food and Beverage BIOVENTUS LLC
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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.