About Us | Contact

Dr. Warren Chang

Nephrology St Mary's Medical Center NPI1083674550
Update NPI

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

$1,911.57
from 98 payments in the last 6 years

Total Cash or Cash Equivalent

$70.83
from 1 payments in the last 6 years

Total In-kind Items & Services

$1,840.74
from 97 payments in the last 6 years

Nature of Payments

Last 6 Years
Chart will render here...

Yearly Breakdown

Chart will render here...

Payment Details

Date Payment Type Form of Payment Item/Service Payment Amount
09/28/2021 General (Non-Research) In-kind items and services Food and Beverage $19.91 Details
Payment from Fresenius USA Marketing, Inc.
Payment Record ID 849410143
07/16/2021 General (Non-Research) In-kind items and services Food and Beverage $19.73 Details
Payment from Fresenius USA Marketing, Inc.
Payment Record ID 849410139
06/08/2021 General (Non-Research) In-kind items and services Food and Beverage $19.07 Details
Payment from Fresenius USA Marketing, Inc.
Payment Record ID 849410135
06/30/2021 General (Non-Research) In-kind items and services Food and Beverage $18.62 Details
Payment from Fresenius USA Marketing, Inc.
Payment Record ID 849410131
08/24/2021 General (Non-Research) In-kind items and services Food and Beverage $18.58 Details
Payment from Fresenius USA Marketing, Inc.
Payment Record ID 849410127
08/18/2021 General (Non-Research) In-kind items and services Food and Beverage $18.56 Details
Payment from Fresenius USA Marketing, Inc.
Payment Record ID 849410123
10/21/2021 General (Non-Research) In-kind items and services Food and Beverage $17.52 Details
Payment from Fresenius USA Marketing, Inc.
Payment Record ID 849410119
06/17/2021 General (Non-Research) In-kind items and services Food and Beverage $8.63 Details
Payment from Fresenius USA Marketing, Inc.
Payment Record ID 849410115
07/08/2021 General (Non-Research) In-kind items and services Food and Beverage $8.09 Details
Payment from Fresenius USA Marketing, Inc.
Payment Record ID 849410111
09/30/2021 General (Non-Research) In-kind items and services Food and Beverage $12.97 Details
Payment from Daiichi Sankyo Inc.
Payment Record ID 836323433
10/14/2021 General (Non-Research) In-kind items and services Food and Beverage $21.57 Details
Payment from Otsuka America Pharmaceutical, Inc.
Payment Record ID 834720379
09/01/2021 General (Non-Research) In-kind items and services Food and Beverage $18.83 Details
Payment from Otsuka America Pharmaceutical, Inc.
Payment Record ID 834720377
07/06/2021 General (Non-Research) In-kind items and services Food and Beverage $23.10 Details
Payment from Otsuka America Pharmaceutical, Inc.
Payment Record ID 834720375
04/22/2021 General (Non-Research) In-kind items and services Food and Beverage $21.00 Details
Payment from Otsuka America Pharmaceutical, Inc.
Payment Record ID 834720373
03/09/2021 General (Non-Research) In-kind items and services Food and Beverage $23.44 Details
Payment from Otsuka America Pharmaceutical, Inc.
Payment Record ID 834720371
01/22/2021 General (Non-Research) In-kind items and services Food and Beverage $21.11 Details
Payment from AstraZeneca Pharmaceuticals LP
Payment Record ID 830058235
10/06/2021 General (Non-Research) In-kind items and services Food and Beverage $21.10 Details
Payment from AstraZeneca Pharmaceuticals LP
Payment Record ID 829606655
02/26/2021 General (Non-Research) In-kind items and services Food and Beverage $21.37 Details
Payment from AstraZeneca Pharmaceuticals LP
Payment Record ID 829583601
09/09/2021 General (Non-Research) In-kind items and services Food and Beverage $32.21 Details
Payment from AstraZeneca Pharmaceuticals LP
Payment Record ID 829569661
02/04/2021 General (Non-Research) In-kind items and services Food and Beverage $21.98 Details
Payment from AstraZeneca Pharmaceuticals LP
Payment Record ID 829559273
05/27/2021 General (Non-Research) In-kind items and services Food and Beverage $22.14 Details
Payment from AstraZeneca Pharmaceuticals LP
Payment Record ID 829540981
02/20/2021 General (Non-Research) In-kind items and services Food and Beverage $20.84 Details
Payment from AstraZeneca Pharmaceuticals LP
Payment Record ID 829378553
11/12/2021 General (Non-Research) In-kind items and services Food and Beverage $24.96 Details
Payment from AstraZeneca Pharmaceuticals LP
Payment Record ID 829362837
10/28/2021 General (Non-Research) In-kind items and services Food and Beverage $19.16 Details
Payment from Amgen Inc.
Payment Record ID 826453975
09/30/2021 General (Non-Research) In-kind items and services Food and Beverage $24.77 Details
Payment from Amgen Inc.
Payment Record ID 826453971
08/26/2021 General (Non-Research) In-kind items and services Food and Beverage $29.83 Details
Payment from Amgen Inc.
Payment Record ID 826453967
07/29/2021 General (Non-Research) In-kind items and services Food and Beverage $29.67 Details
Payment from Amgen Inc.
Payment Record ID 826453961
07/01/2021 General (Non-Research) In-kind items and services Food and Beverage $20.92 Details
Payment from Amgen Inc.
Payment Record ID 826453957
04/01/2021 General (Non-Research) In-kind items and services Food and Beverage $33.73 Details
Payment from Amgen Inc.
Payment Record ID 826453951
03/26/2021 General (Non-Research) In-kind items and services Food and Beverage $21.24 Details
Payment from Vifor Pharma, Inc.
Payment Record ID 816098973
02/25/2021 General (Non-Research) In-kind items and services Food and Beverage $24.23 Details
Payment from Vifor Pharma, Inc.
Payment Record ID 816092517
12/03/2020 General (Non-Research) In-kind items and services Food and Beverage $17.62 Details
Payment from Otsuka America Pharmaceutical, Inc.
Payment Record ID 748698953
10/07/2020 General (Non-Research) In-kind items and services Food and Beverage $14.00 Details
Payment from Otsuka America Pharmaceutical, Inc.
Payment Record ID 748698949
08/11/2020 General (Non-Research) In-kind items and services Food and Beverage $22.89 Details
Payment from Otsuka America Pharmaceutical, Inc.
Payment Record ID 748698945
06/25/2020 General (Non-Research) In-kind items and services Food and Beverage $22.75 Details
Payment from Otsuka America Pharmaceutical, Inc.
Payment Record ID 748698939
03/24/2020 General (Non-Research) In-kind items and services Food and Beverage $14.47 Details
Payment from Fresenius USA Marketing, Inc.
Payment Record ID 744680367
02/27/2020 General (Non-Research) In-kind items and services Food and Beverage $24.67 Details
Payment from Amgen Inc.
Payment Record ID 741452043
09/02/2020 General (Non-Research) In-kind items and services Food and Beverage $12.02 Details
Payment from AstraZeneca Pharmaceuticals LP
Payment Record ID 736376575
01/25/2020 General (Non-Research) In-kind items and services Food and Beverage $20.51 Details
Payment from AstraZeneca Pharmaceuticals LP
Payment Record ID 736207821
05/21/2020 General (Non-Research) In-kind items and services Food and Beverage $17.94 Details
Payment from AstraZeneca Pharmaceuticals LP
Payment Record ID 736166603
09/18/2020 General (Non-Research) In-kind items and services Food and Beverage $11.99 Details
Payment from AstraZeneca Pharmaceuticals LP
Payment Record ID 736145715
11/25/2020 General (Non-Research) In-kind items and services Food and Beverage $21.61 Details
Payment from AstraZeneca Pharmaceuticals LP
Payment Record ID 736145535
10/10/2020 General (Non-Research) In-kind items and services Food and Beverage $19.04 Details
Payment from AstraZeneca Pharmaceuticals LP
Payment Record ID 736145365
03/12/2020 General (Non-Research) In-kind items and services Food and Beverage $20.05 Details
Payment from AstraZeneca Pharmaceuticals LP
Payment Record ID 736120617
11/12/2020 General (Non-Research) In-kind items and services Food and Beverage $15.14 Details
Payment from AstraZeneca Pharmaceuticals LP
Payment Record ID 736112355
07/03/2020 General (Non-Research) In-kind items and services Food and Beverage $20.23 Details
Payment from AstraZeneca Pharmaceuticals LP
Payment Record ID 736053023
06/04/2020 General (Non-Research) In-kind items and services Food and Beverage $16.39 Details
Payment from AstraZeneca Pharmaceuticals LP
Payment Record ID 736032873
08/07/2020 General (Non-Research) In-kind items and services Food and Beverage $20.48 Details
Payment from AstraZeneca Pharmaceuticals LP
Payment Record ID 736031103
04/17/2020 General (Non-Research) In-kind items and services Food and Beverage $21.96 Details
Payment from AstraZeneca Pharmaceuticals LP
Payment Record ID 735985351
04/01/2020 General (Non-Research) In-kind items and services Food and Beverage $21.98 Details
Payment from AstraZeneca Pharmaceuticals LP
Payment Record ID 735970745
07/23/2020 General (Non-Research) In-kind items and services Food and Beverage $20.50 Details
Payment from AstraZeneca Pharmaceuticals LP
Payment Record ID 735892994
05/21/2020 General (Non-Research) In-kind items and services Food and Beverage $0.42 Details
Payment from AstraZeneca Pharmaceuticals LP
Payment Record ID 735770727
06/12/2019 General (Non-Research) In-kind items and services Food and Beverage $18.05 Details
Payment from Otsuka America Pharmaceutical, Inc.
Payment Record ID 687365289
09/17/2019 General (Non-Research) In-kind items and services Food and Beverage $23.81 Details
Payment from Relypsa, Inc.
Payment Record ID 683919805
04/25/2019 General (Non-Research) In-kind items and services Food and Beverage $20.52 Details
Payment from Relypsa, Inc.
Payment Record ID 683914861
02/21/2019 General (Non-Research) In-kind items and services Food and Beverage $17.29 Details
Payment from Relypsa, Inc.
Payment Record ID 683909245
06/20/2019 General (Non-Research) In-kind items and services Food and Beverage $14.54 Details
Payment from Relypsa, Inc.
Payment Record ID 683903795
10/31/2019 General (Non-Research) In-kind items and services Food and Beverage $13.16 Details
Payment from Relypsa, Inc.
Payment Record ID 683900987
03/26/2019 General (Non-Research) In-kind items and services Food and Beverage $6.67 Details
Payment from Relypsa, Inc.
Payment Record ID 683895913
07/11/2019 General (Non-Research) In-kind items and services Food and Beverage $5.53 Details
Payment from Relypsa, Inc.
Payment Record ID 683895171
10/31/2019 General (Non-Research) In-kind items and services Food and Beverage $5.05 Details
Payment from Relypsa, Inc.
Payment Record ID 683894859
11/14/2019 General (Non-Research) In-kind items and services Food and Beverage $4.93 Details
Payment from Relypsa, Inc.
Payment Record ID 683894779
08/12/2019 General (Non-Research) In-kind items and services Food and Beverage $4.76 Details
Payment from Relypsa, Inc.
Payment Record ID 683894655
09/26/2019 General (Non-Research) In-kind items and services Food and Beverage $4.46 Details
Payment from Relypsa, Inc.
Payment Record ID 683894369
01/23/2019 General (Non-Research) In-kind items and services Food and Beverage $4.23 Details
Payment from Relypsa, Inc.
Payment Record ID 683894203
07/22/2019 General (Non-Research) In-kind items and services Food and Beverage $3.78 Details
Payment from Relypsa, Inc.
Payment Record ID 683893917
07/01/2019 General (Non-Research) In-kind items and services Food and Beverage $2.86 Details
Payment from Relypsa, Inc.
Payment Record ID 683893435
04/25/2019 General (Non-Research) In-kind items and services Food and Beverage $1.64 Details
Payment from Relypsa, Inc.
Payment Record ID 683892955
06/20/2019 General (Non-Research) In-kind items and services Food and Beverage $0.46 Details
Payment from Relypsa, Inc.
Payment Record ID 683892513
10/22/2019 General (Non-Research) In-kind items and services Food and Beverage $14.98 Details
Payment from Amgen Inc.
Payment Record ID 663166799
06/19/2019 General (Non-Research) In-kind items and services Food and Beverage $27.65 Details
Payment from Amgen Inc.
Payment Record ID 663166797
04/17/2019 General (Non-Research) In-kind items and services Food and Beverage $26.38 Details
Payment from Amgen Inc.
Payment Record ID 663166793
03/07/2019 General (Non-Research) In-kind items and services Food and Beverage $15.71 Details
Payment from Amgen Inc.
Payment Record ID 663166789
11/27/2019 General (Non-Research) In-kind items and services Food and Beverage $28.03 Details
Payment from Janssen Pharmaceuticals, Inc
Payment Record ID 658419105
11/25/2019 General (Non-Research) In-kind items and services Food and Beverage $26.29 Details
Payment from Janssen Pharmaceuticals, Inc
Payment Record ID 658419093
11/20/2019 General (Non-Research) In-kind items and services Food and Beverage $12.03 Details
Payment from Janssen Pharmaceuticals, Inc
Payment Record ID 658419079
11/06/2019 General (Non-Research) In-kind items and services Food and Beverage $123.25 Details
Payment from Janssen Pharmaceuticals, Inc
Payment Record ID 658419011
10/30/2019 General (Non-Research) In-kind items and services Food and Beverage $18.47 Details
Payment from Janssen Pharmaceuticals, Inc
Payment Record ID 658418993
09/05/2019 General (Non-Research) In-kind items and services Food and Beverage $15.59 Details
Payment from Janssen Pharmaceuticals, Inc
Payment Record ID 658418763
05/03/2018 General (Non-Research) In-kind items and services Food and Beverage $14.83 Details
Payment from Fresenius USA Marketing, Inc.
Payment Record ID 616785225
08/02/2018 General (Non-Research) In-kind items and services Food and Beverage $23.68 Details
Payment from Relypsa, Inc.
Payment Record ID 591883452
04/19/2018 General (Non-Research) In-kind items and services Food and Beverage $17.43 Details
Payment from Relypsa, Inc.
Payment Record ID 591883445
03/15/2018 General (Non-Research) In-kind items and services Food and Beverage $18.13 Details
Payment from Amgen Inc.
Payment Record ID 568672895
03/26/2018 General (Non-Research) In-kind items and services Food and Beverage $19.08 Details
Payment from Shire North American Group Inc
Payment Record ID 565949383
11/15/2018 General (Non-Research) Cash or cash equivalent Food and Beverage $70.83 Details
Payment from ZOLL Services LLC (A/K/A ZOLL LifeCor Corp)
Payment Record ID 535278287
11/16/2017 General (Non-Research) In-kind items and services Food and Beverage $19.34 Details
Payment from Fresenius USA Marketing, Inc.
Payment Record ID 509942603
08/31/2017 General (Non-Research) In-kind items and services Food and Beverage $21.00 Details
Payment from Fresenius USA Marketing, Inc.
Payment Record ID 509941169
06/16/2017 General (Non-Research) In-kind items and services Food and Beverage $18.80 Details
Payment from Keryx Biopharmaceuticals, Inc.
Payment Record ID 509276367
10/05/2017 General (Non-Research) In-kind items and services Food and Beverage $15.62 Details
Payment from Amgen Inc.
Payment Record ID 478677713
05/25/2017 General (Non-Research) In-kind items and services Food and Beverage $22.88 Details
Payment from Amgen Inc.
Payment Record ID 478677563
07/20/2017 General (Non-Research) In-kind items and services Food and Beverage $16.20 Details
Payment from Relypsa, Inc.
Payment Record ID 467636241
03/30/2017 General (Non-Research) In-kind items and services Food and Beverage $17.30 Details
Payment from Relypsa, Inc.
Payment Record ID 467604323
03/21/2016 General (Non-Research) In-kind items and services Food and Beverage $21.88 Details
Payment from West-Ward Pharmaceuticals
Payment Record ID 446668720
09/29/2016 General (Non-Research) In-kind items and services Food and Beverage $19.59 Details
Payment from Relypsa, Inc.
Payment Record ID 417045729
05/05/2016 General (Non-Research) In-kind items and services Food and Beverage $22.51 Details
Payment from Relypsa, Inc.
Payment Record ID 417045723
12/16/2016 General (Non-Research) In-kind items and services Food and Beverage $17.13 Details
Payment from Keryx Biopharmaceuticals, Inc.
Payment Record ID 415839527
10/17/2016 General (Non-Research) In-kind items and services Food and Beverage $18.04 Details
Payment from Keryx Biopharmaceuticals, Inc.
Payment Record ID 415836149
06/30/2016 General (Non-Research) In-kind items and services Food and Beverage $21.64 Details
Payment from Amgen Inc.
Payment Record ID 394411070
;