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 CALLOW

Allopathic & Osteopathic Physicians Psychiatry & Neurology Neurology

NPI
1457644338
CMS profile
201928
Location
WEST CHESTER, OH

General Payments · PY2018–2024

$51,249.57

  • Reported across 497 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$3,933.89

32 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
UCB, Inc. $3,026.74 9
SK Life Science, Inc. $298.20 8
JAZZ PHARMACEUTICALS INC. $249.65 7
CATALYST PHARMACEUTICALS, INC. $233.90 7
NEUROPACE, INC. $125.40 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $19,550.64 130
PY2019 $11,945.06 125
PY2020 $857.94 71
PY2021 $814.02 44
PY2022 $5,622.32 54
PY2023 $8,525.70 41
PY2024 $3,933.89 32

Payment records · PY2024 (32)

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
CATALYST PHARMACEUTICALS, INC. $36.17 02/26/2024 Food and Beverage Undisputed 01/23/2026 1144448934 CMS
CATALYST PHARMACEUTICALS, INC. $36.79 04/19/2024 Food and Beverage Undisputed 01/23/2026 1144448936 CMS
CATALYST PHARMACEUTICALS, INC. $36.38 05/06/2024 Food and Beverage Undisputed 01/23/2026 1144448938 CMS
CATALYST PHARMACEUTICALS, INC. $36.27 06/03/2024 Food and Beverage Undisputed 01/23/2026 1144448940 CMS
CATALYST PHARMACEUTICALS, INC. $32.48 07/23/2024 Food and Beverage Undisputed 01/23/2026 1144448942 CMS
CATALYST PHARMACEUTICALS, INC. $32.48 08/13/2024 Food and Beverage Undisputed 01/23/2026 1144448944 CMS
CATALYST PHARMACEUTICALS, INC. $23.33 09/17/2024 Food and Beverage Undisputed 01/23/2026 1144448946 CMS
JAZZ PHARMACEUTICALS INC. $19.97 01/09/2024 Food and Beverage Undisputed 01/23/2026 1150216135 CMS
JAZZ PHARMACEUTICALS INC. $22.71 04/16/2024 Food and Beverage Undisputed 01/23/2026 1150216143 CMS
JAZZ PHARMACEUTICALS INC. $121.17 04/25/2024 Food and Beverage Undisputed 01/23/2026 1150216147 CMS
JAZZ PHARMACEUTICALS INC. $26.35 06/11/2024 Food and Beverage Undisputed 01/23/2026 1150216145 CMS
JAZZ PHARMACEUTICALS INC. $19.60 09/03/2024 Food and Beverage Undisputed 01/23/2026 1150216137 CMS
JAZZ PHARMACEUTICALS INC. $23.08 10/08/2024 Food and Beverage Undisputed 01/23/2026 1150216139 CMS
JAZZ PHARMACEUTICALS INC. $16.77 11/26/2024 Food and Beverage Undisputed 01/23/2026 1150216141 CMS
NEUROPACE, INC. $125.40 01/18/2024 Food and Beverage Undisputed 01/23/2026 1153275014 CMS
SK Life Science, Inc. $35.13 02/07/2024 Food and Beverage Undisputed 01/23/2026 1154111821 CMS
SK Life Science, Inc. $23.81 04/10/2024 Food and Beverage Undisputed 01/23/2026 1154111837 CMS
SK Life Science, Inc. $29.80 07/16/2024 Food and Beverage Undisputed 01/23/2026 1154111863 CMS
SK Life Science, Inc. $26.20 09/17/2024 Food and Beverage Undisputed 01/23/2026 1154111875 CMS
SK Life Science, Inc. $4.15 10/02/2024 Food and Beverage Undisputed 01/23/2026 1154111879 CMS
SK Life Science, Inc. $29.13 10/29/2024 Food and Beverage Undisputed 01/23/2026 1154111885 CMS
SK Life Science, Inc. $125.00 10/30/2024 Food and Beverage Undisputed 01/23/2026 1154111969 CMS
SK Life Science, Inc. $24.98 12/03/2024 Food and Beverage Undisputed 01/23/2026 1154111933 CMS
UCB, Inc. $900.00 03/05/2024 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 1143376048 CMS
UCB, Inc. $18.98 09/24/2024 Food and Beverage Undisputed 01/23/2026 1143376052 CMS
UCB, Inc. $1,000.00 10/01/2024 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 1143376057 CMS
UCB, Inc. $1,000.00 10/01/2024 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 1143376061 CMS
UCB, Inc. $18.02 10/21/2024 Food and Beverage Undisputed 01/23/2026 1143376064 CMS
UCB, Inc. $0.60 10/22/2024 Food and Beverage Undisputed 01/23/2026 1143376068 CMS
UCB, Inc. $16.24 12/03/2024 Food and Beverage Undisputed 01/23/2026 1143376073 CMS
UCB, Inc. $22.53 12/16/2024 Food and Beverage Undisputed 01/23/2026 1143376077 CMS
UCB, Inc. $50.37 12/17/2024 Food and Beverage Undisputed 01/23/2026 1143376081 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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