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

MAZEN HASSAN

Allopathic & Osteopathic Physicians Internal Medicine

NPI
1003311093
CMS profile
9158348
Location
DALLAS, TX

General Payments · PY2021–2024

$2,882.56

  • Reported across 130 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$1,270.96

55 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 $1,270.96 55

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2021 $35.80 2
PY2022 $463.63 22
PY2023 $1,112.17 51
PY2024 $1,270.96 55

Payment records · PY2024 (55)

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

Program year 2024 202120222023 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. $27.93 05/21/2024 Food and Beverage Undisputed 01/23/2026 1103890533 CMS
ABBVIE INC. $27.23 06/24/2024 Food and Beverage Undisputed 01/23/2026 1103890535 CMS
ABBVIE INC. $24.98 07/29/2024 Food and Beverage Undisputed 01/23/2026 1103890537 CMS
ABBVIE INC. $29.14 09/27/2024 Food and Beverage Undisputed 01/23/2026 1103890539 CMS
ABBVIE INC. $25.58 10/24/2024 Food and Beverage Undisputed 01/23/2026 1103890541 CMS
ABBVIE INC. $25.64 11/14/2024 Food and Beverage Undisputed 01/23/2026 1103890543 CMS
Alexion Pharmaceuticals, Inc. $22.77 01/04/2024 Food and Beverage Undisputed 01/23/2026 1093901485 CMS
Alexion Pharmaceuticals, Inc. $20.25 02/08/2024 Food and Beverage Undisputed 01/23/2026 1093919357 CMS
Alexion Pharmaceuticals, Inc. $26.42 05/24/2024 Food and Beverage Undisputed 01/23/2026 1093890958 CMS
Alexion Pharmaceuticals, Inc. $12.63 06/18/2024 Food and Beverage Undisputed 01/23/2026 1093948436 CMS
Alexion Pharmaceuticals, Inc. $27.80 09/09/2024 Food and Beverage Undisputed 01/23/2026 1094007129 CMS
Alexion Pharmaceuticals, Inc. $31.88 10/15/2024 Food and Beverage Undisputed 01/23/2026 1093993650 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $18.16 06/11/2024 Food and Beverage Undisputed 01/23/2026 1117832166 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $15.36 10/04/2024 Food and Beverage Undisputed 01/23/2026 1117832164 CMS
CSL Behring $31.34 05/06/2024 Food and Beverage Undisputed 01/23/2026 1134653335 CMS
CSL Behring $24.26 09/30/2024 Food and Beverage Undisputed 01/23/2026 1134653385 CMS
Ferring Pharmaceuticals Inc. $29.45 05/14/2024 Food and Beverage Undisputed 01/23/2026 1137481037 CMS
Ferring Pharmaceuticals Inc. $27.97 12/12/2024 Food and Beverage Undisputed 01/23/2026 1137481041 CMS
Gilead Sciences, Inc. $21.30 06/04/2024 Food and Beverage Undisputed 01/23/2026 1133764025 CMS
Gilead Sciences, Inc. $23.13 07/25/2024 Food and Beverage Undisputed 01/23/2026 1133764027 CMS
Gilead Sciences, Inc. $18.56 08/30/2024 Food and Beverage Undisputed 01/23/2026 1133764029 CMS
Gilead Sciences, Inc. $24.71 09/24/2024 Food and Beverage Undisputed 01/23/2026 1133764031 CMS
Gilead Sciences, Inc. $21.75 10/21/2024 Food and Beverage Undisputed 01/23/2026 1133764033 CMS
Gilead Sciences, Inc. $20.64 11/21/2024 Food and Beverage Undisputed 01/23/2026 1133764035 CMS
Gilead Sciences, Inc. $22.41 12/24/2024 Food and Beverage Undisputed 01/23/2026 1133764037 CMS
Janssen Pharmaceuticals, Inc $27.71 01/19/2024 Food and Beverage Undisputed 01/23/2026 1078196737 CMS
Janssen Pharmaceuticals, Inc $25.45 03/06/2024 Food and Beverage Undisputed 01/23/2026 1078196219 CMS
Janssen Pharmaceuticals, Inc $25.45 03/26/2024 Food and Beverage Undisputed 01/23/2026 1078197205 CMS
Janssen Pharmaceuticals, Inc $25.45 04/09/2024 Food and Beverage Undisputed 01/23/2026 1078196425 CMS
Janssen Pharmaceuticals, Inc $25.45 06/11/2024 Food and Beverage Undisputed 01/23/2026 1078196177 CMS
Janssen Pharmaceuticals, Inc $11.15 06/26/2024 Food and Beverage Undisputed 01/23/2026 1078195495 CMS
Melinta Therapeutics, LLC $17.52 12/11/2024 Food and Beverage Undisputed 01/23/2026 1140481336 CMS
Merck Sharp & Dohme LLC $18.45 04/17/2024 Food and Beverage Undisputed 01/23/2026 1141870783 CMS
Merck Sharp & Dohme LLC $18.90 05/20/2024 Food and Beverage Undisputed 01/23/2026 1141705436 CMS
Merck Sharp & Dohme LLC $18.90 10/08/2024 Food and Beverage Undisputed 01/23/2026 1141705434 CMS
Paratek Pharmaceuticals, Inc. $19.87 02/02/2024 Food and Beverage Undisputed 01/23/2026 1113903113 CMS
Paratek Pharmaceuticals, Inc. $15.24 03/06/2024 Food and Beverage Undisputed 01/23/2026 1113903115 CMS
PFIZER INC. $23.85 05/13/2024 Food and Beverage Undisputed 01/23/2026 1131421305 CMS
PFIZER INC. $28.88 07/18/2024 Food and Beverage Undisputed 01/23/2026 1131762488 CMS
PFIZER INC. $23.74 11/15/2024 Food and Beverage Undisputed 01/23/2026 1131128873 CMS
PFIZER INC. $27.13 12/03/2024 Food and Beverage Undisputed 01/23/2026 1131059517 CMS
PFIZER INC. $29.89 12/19/2024 Food and Beverage Undisputed 01/23/2026 1131413937 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $23.77 01/03/2024 Food and Beverage Undisputed 01/23/2026 1153530469 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $21.94 01/03/2024 Food and Beverage Undisputed 01/23/2026 1153610092 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $23.77 02/07/2024 Food and Beverage Undisputed 01/23/2026 1153712120 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $23.77 06/06/2024 Food and Beverage Undisputed 01/23/2026 1153473091 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $21.12 08/07/2024 Food and Beverage Undisputed 01/23/2026 1153480986 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $27.16 08/21/2024 Food and Beverage Undisputed 01/23/2026 1153436105 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $17.82 12/23/2024 Food and Beverage Undisputed 01/23/2026 1153624431 CMS
Shionogi Inc $22.14 01/26/2024 Food and Beverage Undisputed 01/23/2026 1154338748 CMS
Shionogi Inc $20.37 05/08/2024 Food and Beverage Undisputed 01/23/2026 1154338782 CMS
Shionogi Inc $19.71 06/26/2024 Food and Beverage Undisputed 01/23/2026 1154338792 CMS
Shionogi Inc $21.07 09/27/2024 Food and Beverage Undisputed 01/23/2026 1154338810 CMS
Shionogi Inc $21.07 11/26/2024 Food and Beverage Undisputed 01/23/2026 1154338816 CMS
VERTEX PHARMACEUTICALS INCORPORATED $22.93 11/11/2024 Food and Beverage Undisputed 01/23/2026 1105907741 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
2021, 2022, 2023, 2024
Source files
Dataset page · Bulk file · PY2021 , PY2022 , PY2023 , PY2024
Generated from
OP_DTL_GNRL_PGYR2024_P01232026_01102026.csv

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