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

KAELIN C MERVELDT

Allopathic & Osteopathic Physicians Internal Medicine Nephrology

NPI
1104088517
CMS profile
764930
Location
OKLAHOMA CITY, OK

General Payments · PY2018–2024

$4,242.56

  • Reported across 215 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$1,409.46

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 OK All categories

By nature of payment

PY2024 · sorted by reported total

Nature of paymentAmountRecords
Food and Beverage $1,368.63 62
Education $40.83 4

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
Acerta Pharma LLC $332.51 14
NOVARTIS PHARMACEUTICALS CORPORATION $246.17 9
Retrophin, Inc. $155.10 8
Ardelyx, Inc. $143.26 9
Fresenius USA Marketing, Inc. $85.03 4
Amgen Inc. $81.01 4
Alexion Pharmaceuticals, Inc. $71.34 3
CorMedix Inc. $59.78 3
GlaxoSmithKline, LLC. $55.11 3
Boehringer Ingelheim Pharmaceuticals, Inc. $54.70 3
Aurinia Pharma U.S., Inc. $41.68 2
Lilly USA, LLC $23.17 1
Bayer HealthCare Pharmaceuticals Inc. $22.34 1
Relypsa, Inc. $19.98 1
Mallinckrodt Hospital Products Inc. $18.28 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $541.03 28
PY2019 $521.91 30
PY2020 $85.48 4
PY2021 $275.03 16
PY2022 $646.37 30
PY2023 $763.28 41
PY2024 $1,409.46 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
Alexion Pharmaceuticals, Inc. $24.61 02/06/2024 Food and Beverage Undisputed 01/23/2026 1093994872 CMS
Alexion Pharmaceuticals, Inc. $23.94 03/27/2024 Food and Beverage Undisputed 01/23/2026 1093895814 CMS
Alexion Pharmaceuticals, Inc. $22.79 10/15/2024 Food and Beverage Undisputed 01/23/2026 1093991436 CMS
Amgen Inc. $20.18 05/08/2024 Food and Beverage Undisputed 01/23/2026 1117327369 CMS
Amgen Inc. $19.77 07/08/2024 Food and Beverage Undisputed 01/23/2026 1117327371 CMS
Amgen Inc. $18.48 07/08/2024 Education Undisputed 01/23/2026 1117327373 CMS
Amgen Inc. $22.58 10/02/2024 Food and Beverage Undisputed 01/23/2026 1117327375 CMS
Ardelyx, Inc. $14.97 01/17/2024 Food and Beverage Undisputed 01/23/2026 1146695552 CMS
Ardelyx, Inc. $16.16 02/13/2024 Food and Beverage Undisputed 01/23/2026 1146695554 CMS
Ardelyx, Inc. $17.64 03/28/2024 Food and Beverage Undisputed 01/23/2026 1146695556 CMS
Ardelyx, Inc. $20.98 04/29/2024 Food and Beverage Undisputed 01/23/2026 1146695558 CMS
Ardelyx, Inc. $14.47 06/20/2024 Food and Beverage Undisputed 01/23/2026 1146695560 CMS
Ardelyx, Inc. $9.94 08/05/2024 Food and Beverage Undisputed 01/23/2026 1146695562 CMS
Ardelyx, Inc. $21.20 09/26/2024 Food and Beverage Undisputed 01/23/2026 1146695564 CMS
Ardelyx, Inc. $16.26 11/21/2024 Food and Beverage Undisputed 01/23/2026 1146695566 CMS
Ardelyx, Inc. $11.64 12/17/2024 Food and Beverage Undisputed 01/23/2026 1146695568 CMS
AstraZeneca Pharmaceuticals LP $53.43 01/18/2024 Food and Beverage Undisputed 01/23/2026 1104290706 CMS
AstraZeneca Pharmaceuticals LP $25.42 01/19/2024 Food and Beverage Undisputed 01/23/2026 1104776188 CMS
AstraZeneca Pharmaceuticals LP $27.60 02/22/2024 Food and Beverage Undisputed 01/23/2026 1104540528 CMS
AstraZeneca Pharmaceuticals LP $14.90 04/17/2024 Food and Beverage Undisputed 01/23/2026 1104715657 CMS
AstraZeneca Pharmaceuticals LP $28.24 05/21/2024 Food and Beverage Undisputed 01/23/2026 1104742339 CMS
AstraZeneca Pharmaceuticals LP $13.39 06/11/2024 Food and Beverage Undisputed 01/23/2026 1104360181 CMS
AstraZeneca Pharmaceuticals LP $20.22 06/19/2024 Food and Beverage Undisputed 01/23/2026 1104307238 CMS
AstraZeneca Pharmaceuticals LP $14.64 07/17/2024 Food and Beverage Undisputed 01/23/2026 1104326584 CMS
AstraZeneca Pharmaceuticals LP $19.46 07/30/2024 Food and Beverage Undisputed 01/23/2026 1105530550 CMS
AstraZeneca Pharmaceuticals LP $18.42 08/13/2024 Food and Beverage Undisputed 01/23/2026 1104216585 CMS
AstraZeneca Pharmaceuticals LP $17.34 09/17/2024 Food and Beverage Undisputed 01/23/2026 1104441853 CMS
AstraZeneca Pharmaceuticals LP $23.02 10/25/2024 Food and Beverage Undisputed 01/23/2026 1104501984 CMS
AstraZeneca Pharmaceuticals LP $26.47 11/19/2024 Food and Beverage Undisputed 01/23/2026 1104349322 CMS
AstraZeneca Pharmaceuticals LP $29.96 12/11/2024 Food and Beverage Undisputed 01/23/2026 1104600146 CMS
Aurinia Pharma U.S., Inc. $17.96 01/24/2024 Food and Beverage Undisputed 01/23/2026 1150687449 CMS
Aurinia Pharma U.S., Inc. $23.72 07/23/2024 Food and Beverage Undisputed 01/23/2026 1150687451 CMS
Bayer Healthcare Pharmaceuticals Inc. $22.34 12/12/2024 Food and Beverage Undisputed 01/23/2026 1086187820 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $15.23 02/14/2024 Food and Beverage Undisputed 01/23/2026 1117872497 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $16.50 07/10/2024 Food and Beverage Undisputed 01/23/2026 1117872499 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $22.97 10/16/2024 Food and Beverage Undisputed 01/23/2026 1117872501 CMS
CorMedix Inc. $13.60 06/19/2024 Food and Beverage Undisputed 01/23/2026 1082024754 CMS
CorMedix Inc. $26.90 07/03/2024 Food and Beverage Undisputed 01/23/2026 1082024762 CMS
CorMedix Inc. $19.28 12/11/2024 Food and Beverage Undisputed 01/23/2026 1082024759 CMS
Fresenius USA Marketing, Inc. $23.89 02/21/2024 Food and Beverage Undisputed 01/23/2026 1154197172 CMS
Fresenius USA Marketing, Inc. $19.35 04/22/2024 Food and Beverage Undisputed 01/23/2026 1154197166 CMS
Fresenius USA Marketing, Inc. $21.86 05/01/2024 Food and Beverage Undisputed 01/23/2026 1154197170 CMS
Fresenius USA Marketing, Inc. $19.93 12/10/2024 Food and Beverage Undisputed 01/23/2026 1154197168 CMS
GlaxoSmithKline, LLC. $22.29 04/08/2024 Food and Beverage Undisputed 01/23/2026 1116720286 CMS
GlaxoSmithKline, LLC. $13.48 06/13/2024 Food and Beverage Undisputed 01/23/2026 1116654497 CMS
GlaxoSmithKline, LLC. $19.34 12/09/2024 Food and Beverage Undisputed 01/23/2026 1116015603 CMS
Lilly USA, LLC $23.17 05/27/2024 Food and Beverage Undisputed 01/23/2026 1135088317 CMS
Mallinckrodt Hospital Products Inc. $18.28 09/18/2024 Food and Beverage Undisputed 01/23/2026 1145107195 CMS
Novartis Pharmaceuticals Corporation $15.96 02/07/2024 Food and Beverage Undisputed 01/23/2026 1087120270 CMS
Novartis Pharmaceuticals Corporation $31.53 03/06/2024 Food and Beverage Undisputed 01/23/2026 1087120276 CMS
Novartis Pharmaceuticals Corporation $34.85 04/24/2024 Food and Beverage Undisputed 01/23/2026 1087120286 CMS
Novartis Pharmaceuticals Corporation $34.63 05/16/2024 Food and Beverage Undisputed 01/23/2026 1087120292 CMS
Novartis Pharmaceuticals Corporation $6.06 07/08/2024 Food and Beverage Undisputed 01/23/2026 1087120300 CMS
Novartis Pharmaceuticals Corporation $16.32 07/31/2024 Food and Beverage Undisputed 01/23/2026 1087120302 CMS
Novartis Pharmaceuticals Corporation $33.46 08/27/2024 Food and Beverage Undisputed 01/23/2026 1087120306 CMS
Novartis Pharmaceuticals Corporation $29.24 09/12/2024 Food and Beverage Undisputed 01/23/2026 1087120308 CMS
Novartis Pharmaceuticals Corporation $44.12 11/06/2024 Food and Beverage Undisputed 01/23/2026 1087120316 CMS
Travere Therapeutics, Inc. $3.08 02/23/2024 Education Undisputed 01/23/2026 1149925977 CMS
Travere Therapeutics, Inc. $16.89 05/06/2024 Education Undisputed 01/23/2026 1149925981 CMS
Travere Therapeutics, Inc. $30.67 05/06/2024 Food and Beverage Undisputed 01/23/2026 1149926000 CMS
Travere Therapeutics, Inc. $2.38 06/18/2024 Education Undisputed 01/23/2026 1149925973 CMS
Travere Therapeutics, Inc. $30.30 06/18/2024 Food and Beverage Undisputed 01/23/2026 1149925996 CMS
Travere Therapeutics, Inc. $27.22 09/11/2024 Food and Beverage Undisputed 01/23/2026 1149925992 CMS
Travere Therapeutics, Inc. $26.97 11/15/2024 Food and Beverage Undisputed 01/23/2026 1149925989 CMS
Travere Therapeutics, Inc. $17.59 12/03/2024 Food and Beverage Undisputed 01/23/2026 1149925985 CMS
Vifor Pharma, Inc. $19.98 11/06/2024 Food and Beverage Undisputed 01/23/2026 1124060506 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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