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 B SKEEN

Allopathic & Osteopathic Physicians Psychiatry & Neurology Neurology

NPI
1497839351
CMS profile
946950
Location
DURHAM, NC

General Payments · PY2018–2024

$634,535.53

  • Reported across 609 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$21,703.68

30 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
Alexion Pharmaceuticals, Inc. $9,471.32 6
NOVARTIS PHARMACEUTICALS CORPORATION $6,777.98 8
Biogen, Inc. $4,378.71 4
EMD Serono, Inc. $835.20 9
TG THERAPEUTICS, INC. $154.76 2
Amgen Inc. $85.71 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $103,102.13 117
PY2019 $228,760.98 230
PY2020 $56,506.45 37
PY2021 $68,012.72 61
PY2022 $76,929.65 75
PY2023 $79,519.92 59
PY2024 $21,703.68 30

Payment records · PY2024 (30)

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
Alexion Pharmaceuticals, Inc. $74.82 02/28/2024 Food and Beverage Undisputed 01/23/2026 1093894070 CMS
Alexion Pharmaceuticals, Inc. $3,550.00 02/28/2024 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 1094042888 CMS
Alexion Pharmaceuticals, Inc. $4,260.00 02/29/2024 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 1093907899 CMS
Alexion Pharmaceuticals, Inc. $94.81 02/29/2024 Food and Beverage Undisputed 01/23/2026 1093952242 CMS
Alexion Pharmaceuticals, Inc. $71.69 02/29/2024 Travel and Lodging Undisputed 01/23/2026 1093968010 CMS
Alexion Pharmaceuticals, Inc. $1,420.00 04/10/2024 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 1093942653 CMS
Amgen Inc. $85.71 11/21/2024 Food and Beverage Undisputed 01/23/2026 1111710584 CMS
Biogen, Inc. $171.00 04/10/2024 Consulting Fee Undisputed 01/23/2026 1104858960 CMS
Biogen, Inc. $2,055.00 04/23/2024 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 1104844142 CMS
Biogen, Inc. $2,055.00 09/24/2024 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 1104819904 CMS
Biogen, Inc. $97.71 10/23/2024 Food and Beverage Undisputed 01/23/2026 1104822154 CMS
EMD Serono, Inc. $73.12 02/13/2024 Food and Beverage Undisputed 01/23/2026 1120245145 CMS
EMD Serono, Inc. $121.84 02/22/2024 Food and Beverage Undisputed 01/23/2026 1120212850 CMS
EMD Serono, Inc. $134.88 03/13/2024 Food and Beverage Undisputed 01/23/2026 1120212986 CMS
EMD Serono, Inc. $71.20 04/03/2024 Food and Beverage Undisputed 01/23/2026 1120245541 CMS
EMD Serono, Inc. $71.83 07/02/2024 Food and Beverage Undisputed 01/23/2026 1120245901 CMS
EMD Serono, Inc. $103.63 08/22/2024 Food and Beverage Undisputed 01/23/2026 1120263594 CMS
EMD Serono, Inc. $74.35 10/09/2024 Food and Beverage Undisputed 01/23/2026 1120274270 CMS
EMD Serono, Inc. $90.30 10/17/2024 Food and Beverage Undisputed 01/23/2026 1120278064 CMS
EMD Serono, Inc. $94.05 12/02/2024 Food and Beverage Undisputed 01/23/2026 1120279070 CMS
Novartis Pharmaceuticals Corporation $108.51 05/15/2024 Food and Beverage Undisputed 01/23/2026 1087313343 CMS
Novartis Pharmaceuticals Corporation $91.38 08/13/2024 Food and Beverage Undisputed 01/23/2026 1087313347 CMS
Novartis Pharmaceuticals Corporation $152.84 11/15/2024 Food and Beverage Undisputed 01/23/2026 1087313365 CMS
Novartis Pharmaceuticals Corporation $242.02 11/15/2024 Travel and Lodging Undisputed 01/23/2026 1087313367 CMS
Novartis Pharmaceuticals Corporation $29.48 11/15/2024 Travel and Lodging Undisputed 01/23/2026 1087313369 CMS
Novartis Pharmaceuticals Corporation $5,300.00 11/15/2024 Consulting Fee Undisputed 01/23/2026 1087313371 CMS
Novartis Pharmaceuticals Corporation $42.00 11/15/2024 Travel and Lodging Undisputed 01/23/2026 1087313373 CMS
Novartis Pharmaceuticals Corporation $811.75 11/15/2024 Travel and Lodging Undisputed 01/23/2026 1087313375 CMS
TG Therapeutics, Inc. $83.85 01/24/2024 Food and Beverage Undisputed 01/23/2026 1136872265 CMS
TG Therapeutics, Inc. $70.91 02/07/2024 Food and Beverage Undisputed 01/23/2026 1136872197 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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