IndustryPayments
Official source Data mirrored from Centers for Medicare & Medicaid Services Open Payments · General Payments · as published 2026-01-23 View official record Methodology

Covered recipient · General Payments record

WASHINGTON SEREATAN

Allopathic & Osteopathic Physicians Internal Medicine Nephrology

NPI
1750351698
CMS profile
79521
Location
HOUSTON, TX

General Payments · PY2019–2024

$6,072.50

  • Reported across 306 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$1,333.93

60 records · 0 disputed

Financial relationships do not necessarily indicate an improper relationship; the data is open to interpretation.

How these totals are calculated
  • The total is the sum of the General Payments records CMS published for the labeled program year(s), exactly as published. Nothing is estimated, weighted, or combined across categories.
  • General Payments only. Research and Ownership/Investment are separate datasets and are never summed with these figures; amounts are kept separate per program year.
  • Featured-page threshold (a presentation gate, not a judgment): records>=3 OR total>=100 (all years).
  • Methodology & Data — sourcing, labeling, and limitations.

Related groups: Nephrology TX All categories

By nature of payment

PY2024 · sorted by reported total

Nature of paymentAmountRecords
Food and Beverage $1,320.56 59
Travel and Lodging $13.37 1

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
Amgen Inc. $285.49 12
CALLIDITAS THERAPEUTICS US INC. $158.34 4
Acerta Pharma LLC $146.47 7
Ardelyx, Inc. $101.18 4
NOVARTIS PHARMACEUTICALS CORPORATION $98.78 5
Lilly USA, LLC $66.30 3
AKEBIA THERAPEUTICS INC $61.95 3
Novo Nordisk AS $53.96 3
Aurinia Pharma U.S., Inc. $49.20 3
Fresenius USA Marketing, Inc. $46.77 2
Retrophin, Inc. $46.48 3
Boehringer Ingelheim Pharmaceuticals, Inc. $41.79 2
OPKO Pharmaceuticals, LLC $34.54 2
Abbott Laboratories $29.57 2
Ultragenyx Pharmaceutical Inc. $28.05 1
Bayer HealthCare Pharmaceuticals Inc. $23.53 1
Otsuka America Pharmaceutical, Inc. $22.08 1
ANI Pharmaceuticals, Inc. $21.97 1
Mallinckrodt Hospital Products Inc. $17.48 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2019 $36.71 2
PY2020 $1,171.47 77
PY2021 $1,285.06 62
PY2022 $1,351.01 64
PY2023 $894.32 41
PY2024 $1,333.93 60

Payment records · PY2024 (60)

Sorted by paying entity, then date · as published by CMS

Program year 2024 20192020202120222023 Record-level detail is published for PY2024; earlier years are summarised in “By program year”.
Paying entity Amount Date Nature of payment Dispute status Published Record ID Source
Abbott Laboratories $15.08 07/29/2024 Food and Beverage Undisputed 01/23/2026 1125239201 CMS
Abbott Laboratories $14.49 11/14/2024 Food and Beverage Undisputed 01/23/2026 1125239204 CMS
AKEBIA THERAPEUTICS INC $26.66 01/05/2024 Food and Beverage Undisputed 01/23/2026 1145825555 CMS
AKEBIA THERAPEUTICS INC $19.29 08/20/2024 Food and Beverage Undisputed 01/23/2026 1145829132 CMS
AKEBIA THERAPEUTICS INC $16.00 10/15/2024 Food and Beverage Undisputed 01/23/2026 1145830706 CMS
Amgen Inc. $25.15 04/30/2024 Food and Beverage Undisputed 01/23/2026 1116102686 CMS
Amgen Inc. $21.76 05/08/2024 Food and Beverage Undisputed 01/23/2026 1116102692 CMS
Amgen Inc. $19.22 06/26/2024 Food and Beverage Undisputed 01/23/2026 1117679968 CMS
Amgen Inc. $27.66 07/23/2024 Food and Beverage Undisputed 01/23/2026 1116102700 CMS
Amgen Inc. $29.19 08/07/2024 Food and Beverage Undisputed 01/23/2026 1116102706 CMS
Amgen Inc. $28.94 08/27/2024 Food and Beverage Undisputed 01/23/2026 1116102712 CMS
Amgen Inc. $26.05 09/25/2024 Food and Beverage Undisputed 01/23/2026 1116102718 CMS
Amgen Inc. $19.78 10/08/2024 Food and Beverage Undisputed 01/23/2026 1116102726 CMS
Amgen Inc. $21.65 11/12/2024 Food and Beverage Undisputed 01/23/2026 1116102732 CMS
Amgen Inc. $23.06 11/14/2024 Food and Beverage Undisputed 01/23/2026 1117679970 CMS
Amgen Inc. $25.34 11/20/2024 Food and Beverage Undisputed 01/23/2026 1116102738 CMS
Amgen Inc. $17.69 12/13/2024 Food and Beverage Undisputed 01/23/2026 1116102744 CMS
ANI Pharmaceuticals, Inc. $21.97 03/28/2024 Food and Beverage Undisputed 01/23/2026 1091173256 CMS
Ardelyx, Inc. $28.53 01/08/2024 Food and Beverage Undisputed 01/23/2026 1146706795 CMS
Ardelyx, Inc. $25.09 05/29/2024 Food and Beverage Undisputed 01/23/2026 1146706797 CMS
Ardelyx, Inc. $18.83 07/17/2024 Food and Beverage Undisputed 01/23/2026 1146706799 CMS
Ardelyx, Inc. $28.73 09/24/2024 Food and Beverage Undisputed 01/23/2026 1146706801 CMS
AstraZeneca Pharmaceuticals LP $19.34 02/06/2024 Food and Beverage Undisputed 01/23/2026 1105504186 CMS
AstraZeneca Pharmaceuticals LP $13.50 06/11/2024 Food and Beverage Undisputed 01/23/2026 1104331942 CMS
AstraZeneca Pharmaceuticals LP $14.90 07/02/2024 Food and Beverage Undisputed 01/23/2026 1104545412 CMS
AstraZeneca Pharmaceuticals LP $23.86 07/24/2024 Food and Beverage Undisputed 01/23/2026 1105723685 CMS
AstraZeneca Pharmaceuticals LP $38.07 08/08/2024 Food and Beverage Undisputed 01/23/2026 1105217785 CMS
AstraZeneca Pharmaceuticals LP $16.95 10/09/2024 Food and Beverage Undisputed 01/23/2026 1104401297 CMS
AstraZeneca Pharmaceuticals LP $19.85 10/22/2024 Food and Beverage Undisputed 01/23/2026 1104757556 CMS
Aurinia Pharma U.S., Inc. $21.61 05/31/2024 Food and Beverage Undisputed 01/23/2026 1150691732 CMS
Aurinia Pharma U.S., Inc. $13.96 08/13/2024 Food and Beverage Undisputed 01/23/2026 1150691734 CMS
Aurinia Pharma U.S., Inc. $13.63 10/30/2024 Food and Beverage Undisputed 01/23/2026 1150691736 CMS
Bayer Healthcare Pharmaceuticals Inc. $23.53 10/16/2024 Food and Beverage Undisputed 01/23/2026 1086263176 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $25.08 01/22/2024 Food and Beverage Undisputed 01/23/2026 1118138510 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $16.71 07/03/2024 Food and Beverage Undisputed 01/23/2026 1118138508 CMS
CALLIDITAS THERAPEUTICS US INC. $92.71 05/22/2024 Food and Beverage Undisputed 01/23/2026 1141515633 CMS
CALLIDITAS THERAPEUTICS US INC. $23.18 06/19/2024 Food and Beverage Undisputed 01/23/2026 1141517309 CMS
CALLIDITAS THERAPEUTICS US INC. $19.10 10/21/2024 Food and Beverage Undisputed 01/23/2026 1141525148 CMS
CALLIDITAS THERAPEUTICS US INC. $23.35 11/19/2024 Food and Beverage Undisputed 01/23/2026 1141527642 CMS
Fresenius USA Marketing, Inc. $24.33 11/08/2024 Food and Beverage Undisputed 01/23/2026 1154200754 CMS
Fresenius USA Marketing, Inc. $22.44 12/02/2024 Food and Beverage Undisputed 01/23/2026 1154200752 CMS
Lilly USA, LLC $23.67 01/23/2024 Food and Beverage Undisputed 01/23/2026 1135480279 CMS
Lilly USA, LLC $18.16 03/14/2024 Food and Beverage Undisputed 01/23/2026 1135477090 CMS
Lilly USA, LLC $24.47 03/22/2024 Food and Beverage Undisputed 01/23/2026 1135495078 CMS
Mallinckrodt Hospital Products Inc. $17.48 06/25/2024 Food and Beverage Undisputed 01/23/2026 1145134724 CMS
Novartis Pharmaceuticals Corporation $19.74 02/07/2024 Food and Beverage Undisputed 01/23/2026 1087303611 CMS
Novartis Pharmaceuticals Corporation $17.23 04/02/2024 Food and Beverage Undisputed 01/23/2026 1087303621 CMS
Novartis Pharmaceuticals Corporation $17.70 07/24/2024 Food and Beverage Undisputed 01/23/2026 1087303633 CMS
Novartis Pharmaceuticals Corporation $21.70 09/12/2024 Food and Beverage Undisputed 01/23/2026 1087303637 CMS
Novartis Pharmaceuticals Corporation $22.41 09/25/2024 Food and Beverage Undisputed 01/23/2026 1087303643 CMS
Novo Nordisk Inc $18.56 06/04/2024 Food and Beverage Undisputed 01/23/2026 1097388336 CMS
Novo Nordisk Inc $18.56 07/31/2024 Food and Beverage Undisputed 01/23/2026 1096675807 CMS
Novo Nordisk Inc $16.84 09/17/2024 Food and Beverage Undisputed 01/23/2026 1096612600 CMS
OPKO Pharmaceuticals, LLC $16.64 04/03/2024 Food and Beverage Undisputed 01/23/2026 1112849646 CMS
OPKO Pharmaceuticals, LLC $17.90 08/22/2024 Food and Beverage Undisputed 01/23/2026 1112849648 CMS
Otsuka America Pharmaceutical, Inc. $22.08 02/28/2024 Food and Beverage Undisputed 01/23/2026 1118978922 CMS
Travere Therapeutics, Inc. $19.96 05/29/2024 Food and Beverage Undisputed 01/23/2026 1149944654 CMS
Travere Therapeutics, Inc. $13.15 10/14/2024 Food and Beverage Undisputed 01/23/2026 1149944647 CMS
Travere Therapeutics, Inc. $13.37 11/13/2024 Travel and Lodging Undisputed 01/23/2026 1149944650 CMS
Ultragenyx Pharmaceutical Inc. $28.05 08/20/2024 Food and Beverage Undisputed 01/23/2026 1153282722 CMS

Source & provenance

Dataset
CMS Open Payments — General Payments
Publisher of source data
Centers for Medicare & Medicaid Services
CMS publication date
2026-01-23
Program years on this page
2019, 2020, 2021, 2022, 2023, 2024
Source files
Dataset page · Bulk file · PY2019 , PY2020 , PY2021 , PY2022 , PY2023 , PY2024
Generated from
OP_DTL_GNRL_PGYR2024_P01232026_01102026.csv

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