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

DENISE M RIVERS

Allopathic & Osteopathic Physicians Internal Medicine Nephrology

NPI
1932193471
CMS profile
873700
Location
KNOXVILLE, TN

General Payments · PY2018–2024

$8,211.77

  • Reported across 232 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$1,241.76

66 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 TN All categories

By nature of payment

PY2024 · sorted by reported total

Nature of paymentAmountRecords
Food and Beverage $1,220.72 64
Education $21.04 2

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
Relypsa, Inc. $171.10 6
Amgen Inc. $164.87 8
Bayer HealthCare Pharmaceuticals Inc. $140.74 9
Retrophin, Inc. $133.70 10
Otsuka America Pharmaceutical, Inc. $100.52 6
NOVARTIS PHARMACEUTICALS CORPORATION $89.43 5
CALLIDITAS THERAPEUTICS US INC. $59.13 2
Acerta Pharma LLC $58.10 3
Fresenius USA Marketing, Inc. $57.83 3
Mallinckrodt Hospital Products Inc. $44.95 2
Aurinia Pharma U.S., Inc. $44.14 3
AKEBIA THERAPEUTICS INC $36.93 2
Kyowa Kirin, Inc. $36.10 2
Ardelyx, Inc. $33.36 2
ANI Pharmaceuticals, Inc. $30.43 1
Daiichi Sankyo Inc. $21.96 1
Alexion Pharmaceuticals, Inc. $18.47 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $4,445.54 28
PY2019 $331.38 18
PY2020 $294.22 16
PY2021 $284.36 17
PY2022 $639.67 34
PY2023 $974.84 53
PY2024 $1,241.76 66

Payment records · PY2024 (66)

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

Program year 2024 201820192020202120222023 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
AKEBIA THERAPEUTICS INC $18.84 10/13/2024 Food and Beverage Undisputed 01/23/2026 1145828384 CMS
AKEBIA THERAPEUTICS INC $18.09 11/05/2024 Food and Beverage Undisputed 01/23/2026 1145830205 CMS
Alexion Pharmaceuticals, Inc. $18.47 02/29/2024 Food and Beverage Undisputed 01/23/2026 1093893988 CMS
Amgen Inc. $20.40 02/22/2024 Food and Beverage Undisputed 01/23/2026 1111689092 CMS
Amgen Inc. $23.48 03/20/2024 Food and Beverage Undisputed 01/23/2026 1117365575 CMS
Amgen Inc. $19.82 06/04/2024 Food and Beverage Undisputed 01/23/2026 1111689096 CMS
Amgen Inc. $22.11 07/24/2024 Food and Beverage Undisputed 01/23/2026 1117365577 CMS
Amgen Inc. $20.15 08/02/2024 Food and Beverage Undisputed 01/23/2026 1117365579 CMS
Amgen Inc. $17.39 09/03/2024 Food and Beverage Undisputed 01/23/2026 1111689098 CMS
Amgen Inc. $20.85 10/03/2024 Food and Beverage Undisputed 01/23/2026 1111689094 CMS
Amgen Inc. $20.67 10/29/2024 Food and Beverage Undisputed 01/23/2026 1111689100 CMS
ANI Pharmaceuticals, Inc. $30.43 01/24/2024 Food and Beverage Undisputed 01/23/2026 1091156586 CMS
Ardelyx, Inc. $16.68 01/02/2024 Food and Beverage Undisputed 01/23/2026 1146704044 CMS
Ardelyx, Inc. $16.68 02/07/2024 Food and Beverage Undisputed 01/23/2026 1146704046 CMS
AstraZeneca Pharmaceuticals LP $20.82 03/12/2024 Food and Beverage Undisputed 01/23/2026 1105751635 CMS
AstraZeneca Pharmaceuticals LP $18.83 07/10/2024 Food and Beverage Undisputed 01/23/2026 1105680227 CMS
AstraZeneca Pharmaceuticals LP $18.45 07/30/2024 Food and Beverage Undisputed 01/23/2026 1104657959 CMS
Aurinia Pharma U.S., Inc. $15.69 03/06/2024 Food and Beverage Undisputed 01/23/2026 1150690701 CMS
Aurinia Pharma U.S., Inc. $13.49 05/14/2024 Food and Beverage Undisputed 01/23/2026 1150690703 CMS
Aurinia Pharma U.S., Inc. $14.96 10/18/2024 Food and Beverage Undisputed 01/23/2026 1150690705 CMS
Bayer Healthcare Pharmaceuticals Inc. $15.50 01/10/2024 Food and Beverage Undisputed 01/23/2026 1086200798 CMS
Bayer Healthcare Pharmaceuticals Inc. $15.18 02/15/2024 Food and Beverage Undisputed 01/23/2026 1086137693 CMS
Bayer Healthcare Pharmaceuticals Inc. $17.11 03/26/2024 Food and Beverage Undisputed 01/23/2026 1086165324 CMS
Bayer Healthcare Pharmaceuticals Inc. $16.01 04/17/2024 Food and Beverage Undisputed 01/23/2026 1086177982 CMS
Bayer Healthcare Pharmaceuticals Inc. $14.26 07/26/2024 Food and Beverage Undisputed 01/23/2026 1086155012 CMS
Bayer Healthcare Pharmaceuticals Inc. $15.50 08/23/2024 Food and Beverage Undisputed 01/23/2026 1086127900 CMS
Bayer Healthcare Pharmaceuticals Inc. $15.71 10/22/2024 Food and Beverage Undisputed 01/23/2026 1086145937 CMS
Bayer Healthcare Pharmaceuticals Inc. $15.71 11/22/2024 Food and Beverage Undisputed 01/23/2026 1086144147 CMS
Bayer Healthcare Pharmaceuticals Inc. $15.76 12/06/2024 Food and Beverage Undisputed 01/23/2026 1086234365 CMS
CALLIDITAS THERAPEUTICS US INC. $36.39 07/17/2024 Food and Beverage Undisputed 01/23/2026 1141518707 CMS
CALLIDITAS THERAPEUTICS US INC. $22.74 11/13/2024 Food and Beverage Undisputed 01/23/2026 1141527166 CMS
Daiichi Sankyo Inc. $21.96 06/27/2024 Food and Beverage Undisputed 01/23/2026 1089474893 CMS
Fresenius USA Marketing, Inc. $21.57 07/12/2024 Food and Beverage Undisputed 01/23/2026 1154203456 CMS
Fresenius USA Marketing, Inc. $19.29 10/04/2024 Food and Beverage Undisputed 01/23/2026 1154203454 CMS
Fresenius USA Marketing, Inc. $16.97 11/26/2024 Food and Beverage Undisputed 01/23/2026 1154203452 CMS
Kyowa Kirin, Inc. $17.84 04/18/2024 Food and Beverage Undisputed 01/23/2026 1127028689 CMS
Kyowa Kirin, Inc. $18.26 06/19/2024 Food and Beverage Undisputed 01/23/2026 1127028691 CMS
Mallinckrodt Hospital Products Inc. $21.98 05/24/2024 Food and Beverage Undisputed 01/23/2026 1145127610 CMS
Mallinckrodt Hospital Products Inc. $22.97 07/02/2024 Food and Beverage Undisputed 01/23/2026 1145127614 CMS
Novartis Pharmaceuticals Corporation $21.16 01/26/2024 Food and Beverage Undisputed 01/23/2026 1087303481 CMS
Novartis Pharmaceuticals Corporation $13.81 02/27/2024 Food and Beverage Undisputed 01/23/2026 1087303463 CMS
Novartis Pharmaceuticals Corporation $20.08 04/16/2024 Food and Beverage Undisputed 01/23/2026 1087303471 CMS
Novartis Pharmaceuticals Corporation $14.30 05/15/2024 Food and Beverage Undisputed 01/23/2026 1087303473 CMS
Novartis Pharmaceuticals Corporation $20.08 06/11/2024 Food and Beverage Undisputed 01/23/2026 1087303477 CMS
Otsuka America Pharmaceutical, Inc. $14.74 01/03/2024 Food and Beverage Undisputed 01/23/2026 1118969945 CMS
Otsuka America Pharmaceutical, Inc. $16.13 02/01/2024 Food and Beverage Undisputed 01/23/2026 1118969947 CMS
Otsuka America Pharmaceutical, Inc. $15.79 03/18/2024 Food and Beverage Undisputed 01/23/2026 1118969949 CMS
Otsuka America Pharmaceutical, Inc. $25.64 04/02/2024 Food and Beverage Undisputed 01/23/2026 1118969951 CMS
Otsuka America Pharmaceutical, Inc. $14.33 04/30/2024 Food and Beverage Undisputed 01/23/2026 1118969953 CMS
Otsuka America Pharmaceutical, Inc. $13.89 07/31/2024 Food and Beverage Undisputed 01/23/2026 1118969955 CMS
Travere Therapeutics, Inc. $13.19 01/03/2024 Food and Beverage Undisputed 01/23/2026 1149896205 CMS
Travere Therapeutics, Inc. $13.19 02/13/2024 Food and Beverage Undisputed 01/23/2026 1149896209 CMS
Travere Therapeutics, Inc. $16.89 05/02/2024 Education Undisputed 01/23/2026 1149896198 CMS
Travere Therapeutics, Inc. $13.63 06/05/2024 Food and Beverage Undisputed 01/23/2026 1149896213 CMS
Travere Therapeutics, Inc. $13.63 07/18/2024 Food and Beverage Undisputed 01/23/2026 1149896217 CMS
Travere Therapeutics, Inc. $4.15 08/08/2024 Education Undisputed 01/23/2026 1149896201 CMS
Travere Therapeutics, Inc. $13.63 08/08/2024 Food and Beverage Undisputed 01/23/2026 1149896221 CMS
Travere Therapeutics, Inc. $15.32 10/15/2024 Food and Beverage Undisputed 01/23/2026 1149896190 CMS
Travere Therapeutics, Inc. $14.74 11/20/2024 Food and Beverage Undisputed 01/23/2026 1149896186 CMS
Travere Therapeutics, Inc. $15.33 12/11/2024 Food and Beverage Undisputed 01/23/2026 1149896194 CMS
Vifor Pharma, Inc. $26.26 04/09/2024 Food and Beverage Undisputed 01/23/2026 1124045360 CMS
Vifor Pharma, Inc. $31.46 05/08/2024 Food and Beverage Undisputed 01/23/2026 1124038043 CMS
Vifor Pharma, Inc. $27.67 06/25/2024 Food and Beverage Undisputed 01/23/2026 1124049381 CMS
Vifor Pharma, Inc. $25.40 08/07/2024 Food and Beverage Undisputed 01/23/2026 1124049867 CMS
Vifor Pharma, Inc. $26.75 10/16/2024 Food and Beverage Undisputed 01/23/2026 1124061755 CMS
Vifor Pharma, Inc. $33.56 12/18/2024 Food and Beverage Undisputed 01/23/2026 1124059815 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
2018, 2019, 2020, 2021, 2022, 2023, 2024
Source files
Dataset page · Bulk file · PY2018 , PY2019 , PY2020 , PY2021 , PY2022 , PY2023 , PY2024
Generated from
OP_DTL_GNRL_PGYR2024_P01232026_01102026.csv

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