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

MARK K AASEN

Allopathic & Osteopathic Physicians Pain Medicine Interventional Pain Medicine

NPI
1184609356
CMS profile
325282
Location
GREENFIELD, WI

General Payments · PY2018–2024

$7,688.67

  • Reported across 64 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$616.21

11 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 $400.55 9
Travel and Lodging $215.66 2

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
Curonix LLC $334.96 4
Janssen Pharmaceuticals, Inc $150.00 1
Collegium Pharmaceutical, Inc. $100.87 5
Nevro Corp. $30.38 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $439.33 4
PY2019 $207.54 7
PY2020 $20.71 1
PY2021 $221.75 6
PY2022 $168.30 10
PY2023 $6,014.83 25
PY2024 $616.21 11

Payment records · PY2024 (11)

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
Collegium Pharmaceutical, Inc. $22.04 01/30/2024 Food and Beverage Undisputed 01/23/2026 1135211897 CMS
Collegium Pharmaceutical, Inc. $21.25 02/27/2024 Food and Beverage Undisputed 01/23/2026 1135223613 CMS
Collegium Pharmaceutical, Inc. $19.79 03/20/2024 Food and Beverage Undisputed 01/23/2026 1135230592 CMS
Collegium Pharmaceutical, Inc. $23.57 06/04/2024 Food and Beverage Undisputed 01/23/2026 1135261952 CMS
Collegium Pharmaceutical, Inc. $14.22 08/20/2024 Food and Beverage Undisputed 01/23/2026 1135290575 CMS
Curonix LLC $19.30 02/02/2024 Food and Beverage Undisputed 01/23/2026 1132904514 CMS
Curonix LLC $174.93 03/23/2024 Travel and Lodging Undisputed 01/23/2026 1132904516 CMS
Curonix LLC $40.73 03/23/2024 Travel and Lodging Undisputed 01/23/2026 1132904518 CMS
Curonix LLC $100.00 03/23/2024 Food and Beverage Undisputed 01/23/2026 1132904520 CMS
Janssen Pharmaceuticals, Inc $150.00 05/14/2024 Food and Beverage Undisputed 01/23/2026 1078249577 CMS
Nevro Corp. $30.38 10/03/2024 Food and Beverage Undisputed 01/23/2026 1130733539 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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