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

KAMRAN HEYDARPOUR

Allopathic & Osteopathic Physicians Internal Medicine Gastroenterology

NPI
1093764193
CMS profile
276880
Location
OAK PARK, IL

General Payments · PY2018–2024

$6,849.28

  • Reported across 372 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$661.50

32 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 $647.61 31
Education $13.89 1

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $1,401.10 75
PY2019 $1,150.40 63
PY2020 $968.58 56
PY2021 $1,163.45 62
PY2022 $983.32 54
PY2023 $520.93 30
PY2024 $661.50 32

Payment records · PY2024 (32)

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
ABBVIE INC. $20.77 05/02/2024 Food and Beverage Undisputed 01/23/2026 1103914837 CMS
ABBVIE INC. $31.03 11/14/2024 Food and Beverage Undisputed 01/23/2026 1103914839 CMS
ABBVIE INC. $13.86 11/15/2024 Food and Beverage Undisputed 01/23/2026 1103914841 CMS
ABBVIE INC. $17.03 12/05/2024 Food and Beverage Undisputed 01/23/2026 1103914843 CMS
Ardelyx, Inc. $27.69 03/28/2024 Food and Beverage Undisputed 01/23/2026 1146684932 CMS
Celltrion USA Inc. $13.89 04/28/2024 Education Undisputed 01/23/2026 1075852477 CMS
Celltrion USA Inc. $24.57 09/12/2024 Food and Beverage Undisputed 01/23/2026 1075852479 CMS
GENZYME CORPORATION $13.74 01/08/2024 Food and Beverage Undisputed 01/23/2026 1140003341 CMS
GENZYME CORPORATION $39.37 04/18/2024 Food and Beverage Undisputed 01/23/2026 1140003349 CMS
Janssen Biotech, Inc. $21.98 10/03/2024 Food and Beverage Undisputed 01/23/2026 1078600203 CMS
Janssen Biotech, Inc. $24.75 11/21/2024 Food and Beverage Undisputed 01/23/2026 1078600210 CMS
Medtronic, Inc. $28.03 10/31/2024 Food and Beverage Undisputed 01/23/2026 1117061703 CMS
Merck Sharp & Dohme LLC $26.25 03/13/2024 Food and Beverage Undisputed 01/23/2026 1141598492 CMS
Merck Sharp & Dohme LLC $14.39 05/01/2024 Food and Beverage Undisputed 01/23/2026 1141835063 CMS
Merck Sharp & Dohme LLC $19.50 08/08/2024 Food and Beverage Undisputed 01/23/2026 1141598494 CMS
PFIZER INC. $21.05 04/09/2024 Food and Beverage Undisputed 01/23/2026 1131248370 CMS
PFIZER INC. $18.32 05/22/2024 Food and Beverage Undisputed 01/23/2026 1131387034 CMS
PFIZER INC. $26.18 06/20/2024 Food and Beverage Undisputed 01/23/2026 1131610119 CMS
PFIZER INC. $28.51 07/31/2024 Food and Beverage Undisputed 01/23/2026 1131774163 CMS
PFIZER INC. $17.96 09/19/2024 Food and Beverage Undisputed 01/23/2026 1131936478 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $24.54 02/28/2024 Food and Beverage Undisputed 01/23/2026 1153512291 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $21.57 04/09/2024 Food and Beverage Undisputed 01/23/2026 1153492715 CMS
Takeda Pharmaceuticals U.S.A., Inc. $8.59 01/10/2024 Food and Beverage Undisputed 01/23/2026 1137575919 CMS
Takeda Pharmaceuticals U.S.A., Inc. $27.19 01/29/2024 Food and Beverage Undisputed 01/23/2026 1137575923 CMS
Takeda Pharmaceuticals U.S.A., Inc. $14.41 02/13/2024 Food and Beverage Undisputed 01/23/2026 1137575926 CMS
Takeda Pharmaceuticals U.S.A., Inc. $12.48 02/27/2024 Food and Beverage Undisputed 01/23/2026 1137575930 CMS
Takeda Pharmaceuticals U.S.A., Inc. $20.47 04/02/2024 Food and Beverage Undisputed 01/23/2026 1137575934 CMS
Takeda Pharmaceuticals U.S.A., Inc. $21.87 05/16/2024 Food and Beverage Undisputed 01/23/2026 1137575937 CMS
Takeda Pharmaceuticals U.S.A., Inc. $14.52 06/06/2024 Food and Beverage Undisputed 01/23/2026 1137575941 CMS
Takeda Pharmaceuticals U.S.A., Inc. $26.45 07/18/2024 Food and Beverage Undisputed 01/23/2026 1137575945 CMS
Takeda Pharmaceuticals U.S.A., Inc. $2.87 08/15/2024 Food and Beverage Undisputed 01/23/2026 1137575948 CMS
Takeda Pharmaceuticals U.S.A., Inc. $17.67 08/15/2024 Food and Beverage Undisputed 01/23/2026 1137575952 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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