Tom S Chang Investigator

NPI1609848969

Open Payments

Note

The following payment details are based on a national transparency program known as the Sunshine Act that collects and publishes information about financial relationships between the health care industry (i.e. drug and device manufactures) and providers. These relationships may involve payment to providers for things such as research, speaking engagment, travel, gifts etc. Not all of these payment involve monetary compensations and may include batering of drugs or devices.

Total Payment Worth

$25,769.34
from 28 payments in the last 6 years

Total Cash or Cash Equivalent

$24,854.18
from 11 payments in the last 6 years

Total In-kind Items & Services

$915.16
from 17 payments in the last 6 years

Nature of Payments

Last 6 Years
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Yearly Breakdown

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Payment Details

Date Payment Type Form of Payment Item/Service Payment Amount
10/20/2021 General (Non-Research) In-kind items and services Food and Beverage $79.80 Details
Payment from Bausch & Lomb, a division of Bausch Health US, LLC
Payment Record ID 851234171
07/29/2021 General (Non-Research) In-kind items and services Food and Beverage $27.00 Details
Payment from Genentech USA, Inc.
Payment Record ID 835986501
09/03/2020 General (Non-Research) Cash or cash equivalent Food and Beverage $119.78 Details
Payment from Alimera Sciences, Inc.
Payment Record ID 731686973
07/29/2019 General (Non-Research) Cash or cash equivalent Food and Beverage $21.62 Details
Payment from Stryker Corporation
Payment Record ID 692865355
07/29/2019 General (Non-Research) Cash or cash equivalent Food and Beverage $36.92 Details
Payment from Stryker Corporation
Payment Record ID 692865353
06/12/2019 General (Non-Research) Cash or cash equivalent Food and Beverage $21.97 Details
Payment from TOPCON HEALTHCARE SOLUTIONS, INC.
Payment Record ID 669978973
11/01/2018 General (Non-Research) In-kind items and services Food and Beverage $80.51 Details
Payment from Genentech USA, Inc.
Payment Record ID 602504315
03/02/2017 General (Non-Research) Cash or cash equivalent Entertainment $107.38 Details
Payment from Optos, Inc.
Payment Record ID 485972379
05/10/2017 General (Non-Research) Cash or cash equivalent Food and Beverage $146.51 Details
Payment from Marco Ophthalmic, Inc.
Payment Record ID 482332457
06/08/2017 General (Non-Research) In-kind items and services Food and Beverage $15.11 Details
Payment from Bioventus LLC
Payment Record ID 477447871
08/14/2017 General (Non-Research) In-kind items and services Education $15.80 Details
Payment from Allergan Inc.
Payment Record ID 470386264
08/11/2017 General (Non-Research) In-kind items and services Education $31.60 Details
Payment from Allergan Inc.
Payment Record ID 470386255
11/29/2017 General (Non-Research) In-kind items and services Food and Beverage $96.15 Details
Payment from Johnson & Johnson Surgical Vision, Inc.
Payment Record ID 453649107
02/01/2017 General (Non-Research) In-kind items and services Food and Beverage $19.23 Details
Payment from Johnson & Johnson Surgical Vision, Inc.
Payment Record ID 453641029
05/23/2017 General (Non-Research) In-kind items and services Food and Beverage $66.64 Details
Payment from Johnson & Johnson Surgical Vision, Inc.
Payment Record ID 453611103
09/14/2016 General (Non-Research) Cash or cash equivalent Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program $1000.00 Details
Payment from Valeant Pharmaceuticals North America LLC
Payment Record ID 410227252
01/07/2016 General (Non-Research) In-kind items and services Food and Beverage $3.63 Details
Payment from Valeant Pharmaceuticals North America LLC
Payment Record ID 410227250
01/07/2016 General (Non-Research) In-kind items and services Food and Beverage $33.56 Details
Payment from Valeant Pharmaceuticals North America LLC
Payment Record ID 410227248
05/19/2016 General (Non-Research) In-kind items and services Food and Beverage $139.71 Details
Payment from Allergan Inc.
Payment Record ID 380990358
12/22/2016 General (Non-Research) Cash or cash equivalent Consulting Fee $3600.00 Details
Payment from Janssen Research & Development, LLC
Payment Record ID 362574606
10/14/2016 General (Non-Research) Cash or cash equivalent Consulting Fee $7200.00 Details
Payment from Janssen Research & Development, LLC
Payment Record ID 362574604
05/11/2016 General (Non-Research) In-kind items and services Food and Beverage $71.18 Details
Payment from Janssen Research & Development, LLC
Payment Record ID 362573560
06/10/2016 General (Non-Research) Cash or cash equivalent Consulting Fee $5400.00 Details
Payment from Janssen Research & Development, LLC
Payment Record ID 362573212
01/16/2016 General (Non-Research) In-kind items and services Food and Beverage $21.10 Details
Payment from Janssen Research & Development, LLC
Payment Record ID 362572918
03/04/2016 General (Non-Research) Cash or cash equivalent Consulting Fee $7200.00 Details
Payment from Janssen Research & Development, LLC
Payment Record ID 362572683
01/16/2016 Research In-kind items and services Biological $25.75 Details
Payment from Janssen Research & Development, LLC
Paymment Research Study investigator training at CAMLS/USF and UCSD.
Payment Record ID 362292884
01/16/2016 Research In-kind items and services Biological $183.48 Details
Payment from Janssen Research & Development, LLC
Paymment Research Study investigator training at CAMLS/USF and UCSD.
Payment Record ID 362292882
01/16/2016 Research In-kind items and services Biological $4.91 Details
Payment from Janssen Research & Development, LLC
Paymment Research Study investigator training at CAMLS/USF and UCSD.
Payment Record ID 362292880