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

KRISTEN P TAMURA

Allopathic & Osteopathic Physicians Internal Medicine Nephrology

NPI
1356502553
CMS profile
1113692
Location
SAN JOSE, CA

General Payments · PY2018–2024

$10,474.94

  • Reported across 65 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$679.88

27 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.

By nature of payment

PY2024 · sorted by reported total

Nature of paymentAmountRecords
Food and Beverage $667.92 25
Travel and Lodging $8.88 1
Education $3.08 1

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
Bayer HealthCare Pharmaceuticals Inc. $239.12 15
Retrophin, Inc. $191.81 4
Acerta Pharma LLC $120.09 1
Ardelyx, Inc. $106.52 6
Merck Sharp & Dohme Corporation $22.34 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $245.42 4
PY2019 $116.57 2
PY2021 $432.91 6
PY2022 $293.70 5
PY2023 $8,706.46 21
PY2024 $679.88 27

Payment records · PY2024 (27)

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

Program year 2024 20182019202120222023 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
Ardelyx, Inc. $14.31 04/03/2024 Food and Beverage Undisputed 01/23/2026 1146710583 CMS
Ardelyx, Inc. $23.30 05/09/2024 Food and Beverage Undisputed 01/23/2026 1146710585 CMS
Ardelyx, Inc. $16.02 07/18/2024 Food and Beverage Undisputed 01/23/2026 1146710587 CMS
Ardelyx, Inc. $19.30 08/23/2024 Food and Beverage Undisputed 01/23/2026 1146710589 CMS
Ardelyx, Inc. $15.32 09/27/2024 Food and Beverage Undisputed 01/23/2026 1146710591 CMS
Ardelyx, Inc. $18.27 12/12/2024 Food and Beverage Undisputed 01/23/2026 1146710593 CMS
AstraZeneca Pharmaceuticals LP $120.09 10/21/2024 Food and Beverage Undisputed 01/23/2026 1104649681 CMS
Bayer Healthcare Pharmaceuticals Inc. $20.50 03/21/2024 Food and Beverage Undisputed 01/23/2026 1086155068 CMS
Bayer Healthcare Pharmaceuticals Inc. $20.68 04/04/2024 Food and Beverage Undisputed 01/23/2026 1086178114 CMS
Bayer Healthcare Pharmaceuticals Inc. $19.27 04/17/2024 Food and Beverage Undisputed 01/23/2026 1086162808 CMS
Bayer Healthcare Pharmaceuticals Inc. $18.95 04/30/2024 Food and Beverage Undisputed 01/23/2026 1086252492 CMS
Bayer Healthcare Pharmaceuticals Inc. $14.31 05/22/2024 Food and Beverage Undisputed 01/23/2026 1086241858 CMS
Bayer Healthcare Pharmaceuticals Inc. $1.38 06/19/2024 Food and Beverage Undisputed 01/23/2026 1086086523 CMS
Bayer Healthcare Pharmaceuticals Inc. $22.79 06/19/2024 Food and Beverage Undisputed 01/23/2026 1086183394 CMS
Bayer Healthcare Pharmaceuticals Inc. $20.80 07/17/2024 Food and Beverage Undisputed 01/23/2026 1086230874 CMS
Bayer Healthcare Pharmaceuticals Inc. $19.52 07/23/2024 Food and Beverage Undisputed 01/23/2026 1086135919 CMS
Bayer Healthcare Pharmaceuticals Inc. $25.00 08/28/2024 Food and Beverage Undisputed 01/23/2026 1086170974 CMS
Bayer Healthcare Pharmaceuticals Inc. $10.06 10/03/2024 Food and Beverage Undisputed 01/23/2026 1086094951 CMS
Bayer Healthcare Pharmaceuticals Inc. $10.56 10/09/2024 Food and Beverage Undisputed 01/23/2026 1086096331 CMS
Bayer Healthcare Pharmaceuticals Inc. $26.66 11/13/2024 Food and Beverage Undisputed 01/23/2026 1086140521 CMS
Bayer Healthcare Pharmaceuticals Inc. $2.57 12/03/2024 Food and Beverage Undisputed 01/23/2026 1086084107 CMS
Bayer Healthcare Pharmaceuticals Inc. $6.07 12/03/2024 Food and Beverage Undisputed 01/23/2026 1086087359 CMS
Merck Sharp & Dohme LLC $22.34 11/05/2024 Food and Beverage Undisputed 01/23/2026 1141749321 CMS
Travere Therapeutics, Inc. $29.86 05/28/2024 Food and Beverage Undisputed 01/23/2026 1149948212 CMS
Travere Therapeutics, Inc. $3.08 08/07/2024 Education Undisputed 01/23/2026 1149948204 CMS
Travere Therapeutics, Inc. $149.99 08/08/2024 Food and Beverage Undisputed 01/23/2026 1149948216 CMS
Travere Therapeutics, Inc. $8.88 11/07/2024 Travel and Lodging Undisputed 01/23/2026 1149948208 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, 2021, 2022, 2023, 2024
Source files
Dataset page · Bulk file · PY2018 , PY2019 , PY2021 , PY2022 , PY2023 , PY2024
Generated from
OP_DTL_GNRL_PGYR2024_P01232026_01102026.csv

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