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 DONNELL KELSO

Allopathic & Osteopathic Physicians Internal Medicine Gastroenterology

NPI
1679868277
CMS profile
121189
Location
CAMBRIDGE, MA

General Payments · PY2018–2024

$3,754.11

  • Reported across 185 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$268.11

13 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 $268.11 13

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $139.32 5
PY2019 $68.57 4
PY2020 $451.87 25
PY2021 $1,033.81 74
PY2022 $908.37 28
PY2023 $884.06 36
PY2024 $268.11 13

Payment records · PY2024 (13)

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. $26.07 05/09/2024 Food and Beverage Undisputed 01/23/2026 1104050754 CMS
ABBVIE INC. $21.30 11/08/2024 Food and Beverage Undisputed 01/23/2026 1104050756 CMS
Ardelyx, Inc. $16.79 10/10/2024 Food and Beverage Undisputed 01/23/2026 1146688554 CMS
Exact Sciences Corporation $27.88 10/28/2024 Food and Beverage Undisputed 01/23/2026 1114730622 CMS
Lilly USA, LLC $25.04 04/10/2024 Food and Beverage Undisputed 01/23/2026 1135206980 CMS
Phathom Pharmaceuticals, Inc. $19.76 02/15/2024 Food and Beverage Undisputed 01/23/2026 1151080664 CMS
Phathom Pharmaceuticals, Inc. $20.65 05/07/2024 Food and Beverage Undisputed 01/23/2026 1151080666 CMS
Phathom Pharmaceuticals, Inc. $17.04 08/12/2024 Food and Beverage Undisputed 01/23/2026 1151080668 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $23.35 05/07/2024 Food and Beverage Undisputed 01/23/2026 1153756833 CMS
Takeda Pharmaceuticals U.S.A., Inc. $14.96 03/14/2024 Food and Beverage Undisputed 01/23/2026 1137598503 CMS
Takeda Pharmaceuticals U.S.A., Inc. $17.74 07/16/2024 Food and Beverage Undisputed 01/23/2026 1137598507 CMS
Takeda Pharmaceuticals U.S.A., Inc. $18.62 10/07/2024 Food and Beverage Undisputed 01/23/2026 1137598511 CMS
Takeda Pharmaceuticals U.S.A., Inc. $18.91 12/06/2024 Food and Beverage Undisputed 01/23/2026 1137598515 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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