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

DONALD MAHLER

Allopathic & Osteopathic Physicians Internal Medicine Pulmonary Disease

NPI
1518075159
CMS profile
113294
Location
LEBANON, NH

General Payments · PY2018–2024

$510,325.35

  • Reported across 438 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$13,123.39

14 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

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
Mylan Specialty L.P. $8,521.36 9
Aero US Inc $2,706.19 1
Mylan Inc. $1,561.08 2
CHIESI USA, INC. $334.76 2

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $110,313.57 118
PY2019 $186,131.67 154
PY2020 $84,427.09 70
PY2021 $57,756.43 33
PY2022 $35,936.47 21
PY2023 $22,636.73 28
PY2024 $13,123.39 14

Payment records · PY2024 (14)

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
Aero US Inc $2,706.19 04/10/2024 Consulting Fee Undisputed 01/23/2026 1144311337 CMS
Chiesi USA, Inc. $156.81 05/19/2024 Food and Beverage Undisputed 01/23/2026 1151812379 CMS
Chiesi USA, Inc. $177.95 05/19/2024 Food and Beverage Undisputed 01/23/2026 1151812383 CMS
Mylan Inc. $750.00 03/22/2024 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 01/23/2026 1147272250 CMS
Mylan Inc. $811.08 10/16/2024 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 01/23/2026 1147272236 CMS
Mylan Specialty L.P. $124.73 05/21/2024 Food and Beverage Undisputed 01/23/2026 1147283666 CMS
Mylan Specialty L.P. $619.00 07/19/2024 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 01/23/2026 1147371486 CMS
Mylan Specialty L.P. $309.50 07/25/2024 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 01/23/2026 1147283378 CMS
Mylan Specialty L.P. $249.20 10/05/2024 Food and Beverage Undisputed 01/23/2026 1147293929 CMS
Mylan Specialty L.P. $113.86 10/06/2024 Food and Beverage Undisputed 01/23/2026 1147367686 CMS
Mylan Specialty L.P. $106.32 10/07/2024 Food and Beverage Undisputed 01/23/2026 1147284558 CMS
Mylan Specialty L.P. $2,011.75 10/08/2024 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 01/23/2026 1147358229 CMS
Mylan Specialty L.P. $35.00 12/16/2024 Travel and Lodging Undisputed 01/23/2026 1147293917 CMS
Mylan Specialty L.P. $4,952.00 12/16/2024 Consulting Fee Undisputed 01/23/2026 1147293921 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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