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

MACKENZIE B MONTAG

Physician Assistants & Advanced Practice Nursing Providers Nurse Practitioner Pediatrics

NPI
1609439371
CMS profile
10697315
Location
LONE TREE, CO

General Payments · PY2021–2024

$1,677.31

  • Reported across 79 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$443.93

20 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 $430.17 19
Education $13.76 1

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2021 $259.12 13
PY2022 $524.79 24
PY2023 $449.47 22
PY2024 $443.93 20

Payment records · PY2024 (20)

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. $26.08 01/13/2024 Food and Beverage Undisputed 01/23/2026 1107681303 CMS
ABBVIE INC. $18.68 06/11/2024 Food and Beverage Undisputed 01/23/2026 1107681305 CMS
ABBVIE INC. $22.89 07/16/2024 Food and Beverage Undisputed 01/23/2026 1107681307 CMS
ABBVIE INC. $17.86 10/29/2024 Food and Beverage Undisputed 01/23/2026 1107681309 CMS
ACADIA Pharmaceuticals Inc $29.62 08/02/2024 Food and Beverage Undisputed 01/23/2026 1148009792 CMS
GENZYME CORPORATION $23.08 05/28/2024 Food and Beverage Undisputed 01/23/2026 1139751159 CMS
GENZYME CORPORATION $20.25 10/28/2024 Food and Beverage Undisputed 01/23/2026 1139751183 CMS
IRONWOOD PHARMACEUTICALS, INC $13.87 08/08/2024 Food and Beverage Undisputed 01/23/2026 1153771336 CMS
Janssen Biotech, Inc. $24.66 07/18/2024 Food and Beverage Undisputed 01/23/2026 1078366382 CMS
Janssen Biotech, Inc. $24.87 10/31/2024 Food and Beverage Undisputed 01/23/2026 1078366019 CMS
Organon Llc $17.85 05/02/2024 Food and Beverage Undisputed 01/23/2026 1136268249 CMS
QOL Medical, LLC $27.11 09/10/2024 Food and Beverage Undisputed 01/23/2026 1147736638 CMS
Regeneron Healthcare Solutions, Inc. $22.22 03/28/2024 Food and Beverage Undisputed 01/23/2026 1114345287 CMS
Regeneron Healthcare Solutions, Inc. $29.31 04/08/2024 Food and Beverage Undisputed 01/23/2026 1114345289 CMS
Regeneron Healthcare Solutions, Inc. $25.31 04/10/2024 Food and Beverage Undisputed 01/23/2026 1114345291 CMS
Regeneron Healthcare Solutions, Inc. $18.64 06/11/2024 Food and Beverage Undisputed 01/23/2026 1114345293 CMS
Regeneron Healthcare Solutions, Inc. $20.98 10/15/2024 Food and Beverage Undisputed 01/23/2026 1114345295 CMS
Takeda Pharmaceuticals U.S.A., Inc. $31.67 02/22/2024 Food and Beverage Undisputed 01/23/2026 1137794995 CMS
Takeda Pharmaceuticals U.S.A., Inc. $13.76 04/09/2024 Education Undisputed 01/23/2026 1137794997 CMS
Takeda Pharmaceuticals U.S.A., Inc. $15.22 10/15/2024 Food and Beverage Undisputed 01/23/2026 1137794999 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

One page per canonical provider; split Profile_IDs are merged via Associated_Covered_Recipient_Profile_ID_1/_2 from the Covered Recipient Profile Supplement.

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