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

PRADIP C P CHOWDHURY

Allopathic & Osteopathic Physicians Internal Medicine Nephrology

NPI
1053348946
CMS profile
478909
Location
MONTEBELLO, CA

General Payments · PY2018–2024

$12,942.65

  • Reported across 375 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$1,603.68

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 CA All categories

By nature of payment

PY2024 · sorted by reported total

Nature of paymentAmountRecords
Food and Beverage $1,529.35 56
Education $74.33 4

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
Amgen Inc. $244.13 13
Outset Medical Inc $242.22 1
Acerta Pharma LLC $176.51 4
AKEBIA THERAPEUTICS INC $174.10 8
Ardelyx, Inc. $173.71 7
Retrophin, Inc. $79.57 5
Mallinckrodt Hospital Products Inc. $72.08 3
OPKO Pharmaceuticals, LLC $65.49 3
Otsuka America Pharmaceutical, Inc. $50.86 2
GlaxoSmithKline, LLC. $49.68 2
CALLIDITAS THERAPEUTICS US INC. $47.01 2
NOVARTIS PHARMACEUTICALS CORPORATION $42.71 2
Fresenius USA Marketing, Inc. $42.67 2
Relypsa, Inc. $33.26 1
Bayer HealthCare Pharmaceuticals Inc. $24.17 1
Novo Nordisk AS $24.05 1
Aurinia Pharma U.S., Inc. $23.29 1
ANI Pharmaceuticals, Inc. $21.32 1
Boehringer Ingelheim Pharmaceuticals, Inc. $16.85 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $4,812.82 24
PY2019 $919.80 36
PY2020 $391.11 18
PY2021 $1,528.54 74
PY2022 $1,737.96 86
PY2023 $1,948.74 77
PY2024 $1,603.68 60

Payment records · PY2024 (60)

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 $24.29 01/17/2024 Food and Beverage Undisputed 01/23/2026 1145825851 CMS
AKEBIA THERAPEUTICS INC $22.46 05/24/2024 Food and Beverage Undisputed 01/23/2026 1145825853 CMS
AKEBIA THERAPEUTICS INC $14.88 07/24/2024 Food and Beverage Undisputed 01/23/2026 1145825855 CMS
AKEBIA THERAPEUTICS INC $24.61 07/24/2024 Education Undisputed 01/23/2026 1145832489 CMS
AKEBIA THERAPEUTICS INC $28.07 09/19/2024 Food and Beverage Undisputed 01/23/2026 1145829098 CMS
AKEBIA THERAPEUTICS INC $24.61 09/19/2024 Education Undisputed 01/23/2026 1145833339 CMS
AKEBIA THERAPEUTICS INC $8.22 09/19/2024 Education Undisputed 01/23/2026 1145833345 CMS
AKEBIA THERAPEUTICS INC $26.96 12/06/2024 Food and Beverage Undisputed 01/23/2026 1145831441 CMS
Amgen Inc. $12.50 01/25/2024 Food and Beverage Undisputed 01/23/2026 1115507367 CMS
Amgen Inc. $27.36 02/01/2024 Food and Beverage Undisputed 01/23/2026 1115507475 CMS
Amgen Inc. $13.28 03/12/2024 Food and Beverage Undisputed 01/23/2026 1115507380 CMS
Amgen Inc. $8.11 03/13/2024 Food and Beverage Undisputed 01/23/2026 1115507390 CMS
Amgen Inc. $31.68 03/14/2024 Food and Beverage Undisputed 01/23/2026 1115507485 CMS
Amgen Inc. $14.66 04/09/2024 Food and Beverage Undisputed 01/23/2026 1115507401 CMS
Amgen Inc. $12.50 04/25/2024 Food and Beverage Undisputed 01/23/2026 1115507415 CMS
Amgen Inc. $4.63 06/13/2024 Food and Beverage Undisputed 01/23/2026 1115507426 CMS
Amgen Inc. $29.03 07/23/2024 Food and Beverage Undisputed 01/23/2026 1115507458 CMS
Amgen Inc. $25.47 08/13/2024 Food and Beverage Undisputed 01/23/2026 1115507495 CMS
Amgen Inc. $28.87 09/04/2024 Food and Beverage Undisputed 01/23/2026 1115507436 CMS
Amgen Inc. $26.64 09/26/2024 Food and Beverage Undisputed 01/23/2026 1115507467 CMS
Amgen Inc. $9.40 10/23/2024 Food and Beverage Undisputed 01/23/2026 1115507446 CMS
ANI Pharmaceuticals, Inc. $21.32 07/25/2024 Food and Beverage Undisputed 01/23/2026 1091163368 CMS
Ardelyx, Inc. $25.80 02/15/2024 Food and Beverage Undisputed 01/23/2026 1146675674 CMS
Ardelyx, Inc. $20.66 03/05/2024 Food and Beverage Undisputed 01/23/2026 1146675676 CMS
Ardelyx, Inc. $32.74 05/01/2024 Food and Beverage Undisputed 01/23/2026 1146675678 CMS
Ardelyx, Inc. $32.12 06/06/2024 Food and Beverage Undisputed 01/23/2026 1146675680 CMS
Ardelyx, Inc. $31.41 07/17/2024 Food and Beverage Undisputed 01/23/2026 1146675682 CMS
Ardelyx, Inc. $3.29 09/27/2024 Food and Beverage Undisputed 01/23/2026 1146675684 CMS
Ardelyx, Inc. $27.69 10/10/2024 Food and Beverage Undisputed 01/23/2026 1146675686 CMS
AstraZeneca Pharmaceuticals LP $101.71 01/08/2024 Food and Beverage Undisputed 01/23/2026 1104488742 CMS
AstraZeneca Pharmaceuticals LP $29.95 01/25/2024 Food and Beverage Undisputed 01/23/2026 1105658608 CMS
AstraZeneca Pharmaceuticals LP $16.61 05/23/2024 Food and Beverage Undisputed 01/23/2026 1104433163 CMS
AstraZeneca Pharmaceuticals LP $28.24 06/25/2024 Food and Beverage Undisputed 01/23/2026 1105545843 CMS
Aurinia Pharma U.S., Inc. $23.29 07/02/2024 Food and Beverage Undisputed 01/23/2026 1150678229 CMS
Bayer Healthcare Pharmaceuticals Inc. $24.17 04/12/2024 Food and Beverage Undisputed 01/23/2026 1086149307 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $16.85 08/29/2024 Food and Beverage Undisputed 01/23/2026 1117852913 CMS
CALLIDITAS THERAPEUTICS US INC. $22.62 05/15/2024 Food and Beverage Undisputed 01/23/2026 1141515101 CMS
CALLIDITAS THERAPEUTICS US INC. $24.39 09/04/2024 Food and Beverage Undisputed 01/23/2026 1141521595 CMS
Fresenius USA Marketing, Inc. $21.12 03/14/2024 Food and Beverage Undisputed 01/23/2026 1154193462 CMS
Fresenius USA Marketing, Inc. $21.55 07/03/2024 Food and Beverage Undisputed 01/23/2026 1154193464 CMS
GlaxoSmithKline, LLC. $23.24 07/24/2024 Food and Beverage Undisputed 01/23/2026 1116544056 CMS
GlaxoSmithKline, LLC. $26.44 10/16/2024 Food and Beverage Undisputed 01/23/2026 1116554001 CMS
Mallinckrodt Hospital Products Inc. $24.54 04/09/2024 Food and Beverage Undisputed 01/23/2026 1145058067 CMS
Mallinckrodt Hospital Products Inc. $33.78 06/13/2024 Food and Beverage Undisputed 01/23/2026 1145058071 CMS
Mallinckrodt Hospital Products Inc. $13.76 08/13/2024 Food and Beverage Undisputed 01/23/2026 1145058075 CMS
Novartis Pharmaceuticals Corporation $23.50 01/30/2024 Food and Beverage Undisputed 01/23/2026 1086754315 CMS
Novartis Pharmaceuticals Corporation $19.21 08/22/2024 Food and Beverage Undisputed 01/23/2026 1086754343 CMS
Novo Nordisk Inc $24.05 10/23/2024 Food and Beverage Undisputed 01/23/2026 1096608828 CMS
OPKO Pharmaceuticals, LLC $21.47 03/12/2024 Food and Beverage Undisputed 01/23/2026 1112843582 CMS
OPKO Pharmaceuticals, LLC $22.01 04/08/2024 Food and Beverage Undisputed 01/23/2026 1112843584 CMS
OPKO Pharmaceuticals, LLC $22.01 08/06/2024 Food and Beverage Undisputed 01/23/2026 1112843586 CMS
Otsuka America Pharmaceutical, Inc. $26.37 08/07/2024 Food and Beverage Undisputed 01/23/2026 1118876062 CMS
Otsuka America Pharmaceutical, Inc. $24.49 10/02/2024 Food and Beverage Undisputed 01/23/2026 1118876064 CMS
Outset Medical Inc $242.22 05/15/2024 Food and Beverage Undisputed 01/23/2026 1138611394 CMS
Travere Therapeutics, Inc. $16.89 01/25/2024 Education Undisputed 01/23/2026 1149946026 CMS
Travere Therapeutics, Inc. $1.38 04/03/2024 Food and Beverage Undisputed 01/23/2026 1149946022 CMS
Travere Therapeutics, Inc. $31.48 04/04/2024 Food and Beverage Undisputed 01/23/2026 1149883326 CMS
Travere Therapeutics, Inc. $0.34 04/04/2024 Food and Beverage Undisputed 01/23/2026 1149946018 CMS
Travere Therapeutics, Inc. $29.48 07/11/2024 Food and Beverage Undisputed 01/23/2026 1149883321 CMS
Vifor Pharma, Inc. $33.26 05/14/2024 Food and Beverage Undisputed 01/23/2026 1124042293 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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