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.

ROBERT T CHANG
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ROBERT T CHANG

Listed Specialty: Ophthalmology
900 BLAKE WILBUR DR, RM W3002, PALO ALTO, CA, 94304-2201
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Is This Your Doctor?
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ROBERT CHANG,
Yearly Payment Breakdown:

2018 Payments At a Glance

24

payments

$5,182

payment total

7

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
 1 $3,000
Food and Beverage
 18 $1,422
Travel and Lodging
 4 $610
Promotional Speaking/Other
 1 $150

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†
ALPHAGAN P

drug

 $3,928
Payments with no listed product

N/A

 $281
XEN

device

 $278
RHOPRESSA

drug

 $240
XIIDRA

drug

 $167
ACTIVEFOCUS

device

 $133
OMNI SURGICAL SYSTEM

device

 $82
SIMBRINZA

drug

 $48
TRAVATAN Z

drug

 $24
† 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
Mar 30, 2018 $3,000 ALPHAGAN P Consulting ALLERGAN INC.
Mar 23, 2018 $210 ALPHAGAN P Travel and Lodging ALLERGAN INC.
Mar 23, 2018 $210 ALPHAGAN P Travel and Lodging ALLERGAN INC.
Mar 23, 2018 $173 ALPHAGAN P Travel and Lodging ALLERGAN INC.
Feb 2, 2018 $150 No Listed Product Promotional Speaking/Other SHIRE NORTH AMERICAN GROUP INC
Mar 23, 2018 $149 ALPHAGAN P Food and Beverage ALLERGAN INC.
Oct 3, 2018 $140 XEN Food and Beverage ALLERGAN INC.
Aug 9, 2018 $138 XEN Food and Beverage ALLERGAN INC.
Feb 7, 2018 $131 No Listed Product Food and Beverage IRIDEX CORPORATION
Dec 19, 2018 $125 ACTIVEFOCUS Food and Beverage ALCON LABORATORIES INC
Dec 13, 2018 $125 RHOPRESSA Food and Beverage AERIE PHARMACEUTICALS, INC.
Oct 26, 2018 $115 RHOPRESSA Food and Beverage AERIE PHARMACEUTICALS, INC.
Jun 7, 2018 $96 XIIDRA Food and Beverage SHIRE NORTH AMERICAN GROUP INC
Jun 6, 2018 $82 OMNI SURGICAL SYSTEM Food and Beverage SIGHT SCIENCES, INC.
Mar 23, 2018 $56 ALPHAGAN P Food and Beverage ALLERGAN INC.
Mar 23, 2018 $56 ALPHAGAN P Food and Beverage ALLERGAN INC.
Mar 23, 2018 $56 ALPHAGAN P Food and Beverage ALLERGAN INC.
May 1, 2018 $42 XIIDRA Food and Beverage SHIRE NORTH AMERICAN GROUP INC
Mar 26, 2018 $29 XIIDRA Food and Beverage SHIRE NORTH AMERICAN GROUP INC
Apr 18, 2018 $25 SIMBRINZA Food and Beverage NOVARTIS PHARMACEUTICALS CORPORATION
Sep 26, 2018 $24 TRAVATAN Z Food and Beverage NOVARTIS PHARMACEUTICALS CORPORATION
Jan 31, 2018 $23 SIMBRINZA Food and Beverage NOVARTIS PHARMACEUTICALS CORPORATION
Mar 23, 2018 $17 ALPHAGAN P Travel and Lodging ALLERGAN INC.
Dec 19, 2018 $8 ACTIVEFOCUS Food and Beverage ALCON LABORATORIES 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.