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

MICHAEL THOMAS MASSARO

Allopathic & Osteopathic Physicians Internal Medicine Gastroenterology

NPI
1558741447
CMS profile
7226333
Location
CARMICHAEL, CA

General Payments · PY2019–2024

$1,706.37

  • Reported across 67 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$660.90

25 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 $570.91 24
Education $89.99 1

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2019 $56.28 4
PY2021 $52.26 3
PY2022 $367.40 17
PY2023 $569.53 18
PY2024 $660.90 25

Payment records · PY2024 (25)

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

Program year 2024 2019202120222023 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. $24.05 02/29/2024 Food and Beverage Undisputed 01/23/2026 1104980487 CMS
ABBVIE INC. $19.13 06/01/2024 Food and Beverage Undisputed 01/23/2026 1104980489 CMS
ABBVIE INC. $22.11 06/07/2024 Food and Beverage Undisputed 01/23/2026 1104980491 CMS
ABBVIE INC. $22.10 08/09/2024 Food and Beverage Undisputed 01/23/2026 1104980493 CMS
ABBVIE INC. $20.25 08/09/2024 Food and Beverage Undisputed 01/23/2026 1104980495 CMS
GENZYME CORPORATION $32.75 05/07/2024 Food and Beverage Undisputed 01/23/2026 1139918915 CMS
GENZYME CORPORATION $121.84 07/19/2024 Food and Beverage Undisputed 01/23/2026 1139918951 CMS
GENZYME CORPORATION $28.53 11/13/2024 Food and Beverage Undisputed 01/23/2026 1139918991 CMS
Janssen Biotech, Inc. $17.68 01/18/2024 Food and Beverage Undisputed 01/23/2026 1078289963 CMS
Janssen Biotech, Inc. $5.16 02/06/2024 Food and Beverage Undisputed 01/23/2026 1078290017 CMS
Janssen Biotech, Inc. $19.01 03/06/2024 Food and Beverage Undisputed 01/23/2026 1078289981 CMS
Janssen Biotech, Inc. $19.74 03/27/2024 Food and Beverage Undisputed 01/23/2026 1078290063 CMS
Janssen Biotech, Inc. $18.06 04/03/2024 Food and Beverage Undisputed 01/23/2026 1078290033 CMS
Janssen Biotech, Inc. $6.34 04/29/2024 Food and Beverage Undisputed 01/23/2026 1078290025 CMS
Janssen Biotech, Inc. $89.99 06/12/2024 Education Undisputed 01/23/2026 1078290031 CMS
Janssen Biotech, Inc. $22.99 06/12/2024 Food and Beverage Undisputed 01/23/2026 1078290047 CMS
Janssen Biotech, Inc. $16.57 07/31/2024 Food and Beverage Undisputed 01/23/2026 1078289961 CMS
Merck Sharp & Dohme LLC $18.80 01/31/2024 Food and Beverage Undisputed 01/23/2026 1141851088 CMS
Merck Sharp & Dohme LLC $20.34 07/10/2024 Food and Beverage Undisputed 01/23/2026 1141641796 CMS
Phathom Pharmaceuticals, Inc. $17.81 04/23/2024 Food and Beverage Undisputed 01/23/2026 1151094003 CMS
Regeneron Healthcare Solutions, Inc. $20.67 06/19/2024 Food and Beverage Undisputed 01/23/2026 1114109685 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $16.72 12/23/2024 Food and Beverage Undisputed 01/23/2026 1153526679 CMS
Takeda Pharmaceuticals U.S.A., Inc. $16.81 02/02/2024 Food and Beverage Undisputed 01/23/2026 1137630881 CMS
Takeda Pharmaceuticals U.S.A., Inc. $25.41 02/16/2024 Food and Beverage Undisputed 01/23/2026 1137630883 CMS
Takeda Pharmaceuticals U.S.A., Inc. $18.04 12/16/2024 Food and Beverage Undisputed 01/23/2026 1137630885 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
2019, 2021, 2022, 2023, 2024
Source files
Dataset page · Bulk file · PY2019 , PY2021 , PY2022 , PY2023 , PY2024
Generated from
OP_DTL_GNRL_PGYR2024_P01232026_01102026.csv

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