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

MARC ALEXANDER KORN

Allopathic & Osteopathic Physicians Pain Medicine Interventional Pain Medicine

NPI
1205253671
CMS profile
1382387
Location
GRAND RAPIDS, MI

General Payments · PY2018–2024

$3,133.79

  • Reported across 74 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$239.74

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 $239.74 11

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
Nevro Corp. $87.56 4
ABBVIE INC. $70.19 3
Abbott Laboratories $38.05 2
Nalu Medical, Inc. $28.80 1
FIDIA PHARMA USA INC. $15.14 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $363.78 7
PY2019 $603.62 7
PY2020 $958.12 7
PY2021 $47.78 5
PY2022 $452.21 13
PY2023 $468.54 24
PY2024 $239.74 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
Abbott Laboratories $18.44 02/20/2024 Food and Beverage Undisputed 01/23/2026 1124898158 CMS
Abbott Laboratories $19.61 09/16/2024 Food and Beverage Undisputed 01/23/2026 1124898160 CMS
ABBVIE INC. $28.85 03/14/2024 Food and Beverage Undisputed 01/23/2026 1104099612 CMS
ABBVIE INC. $22.39 06/13/2024 Food and Beverage Undisputed 01/23/2026 1104099614 CMS
ABBVIE INC. $18.95 07/29/2024 Food and Beverage Undisputed 01/23/2026 1104099616 CMS
Fidia Pharma USA Inc. $15.14 03/21/2024 Food and Beverage Undisputed 01/23/2026 1141157819 CMS
Nalu Medical, Inc. $28.80 08/19/2024 Food and Beverage Undisputed 01/23/2026 1133994875 CMS
Nevro Corp. $14.33 04/16/2024 Food and Beverage Undisputed 01/23/2026 1130743142 CMS
Nevro Corp. $17.30 05/29/2024 Food and Beverage Undisputed 01/23/2026 1130743148 CMS
Nevro Corp. $29.96 08/16/2024 Food and Beverage Undisputed 01/23/2026 1130743146 CMS
Nevro Corp. $25.97 09/19/2024 Food and Beverage Undisputed 01/23/2026 1130743144 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

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

Corrections to the substance of a record route to CMS through its review-and-dispute process; errors in how this site mirrors or displays a record route to us. Both paths are described in Methodology & Data.