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 H KNAPP

Allopathic & Osteopathic Physicians Internal Medicine Hematology & Oncology

NPI
1952359549
CMS profile
88957
Location
COLUMBUS, OH

General Payments · PY2018–2024

$70,209.67

  • Reported across 230 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$15,135.92

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

Nature of paymentAmountRecords
Consulting Fee $7,413.00 6
Honoraria $5,294.00 1
Travel and Lodging $1,683.09 5
Food and Beverage $745.83 18

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $11,409.19 35
PY2019 $9,872.20 31
PY2020 $4,255.78 35
PY2021 $8,990.61 44
PY2022 $12,806.34 30
PY2023 $7,739.63 25
PY2024 $15,135.92 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
ABBVIE INC. $19.35 08/09/2024 Food and Beverage Undisputed 01/23/2026 1104087808 CMS
Adaptive Biotechnologies Corporation $20.31 11/11/2024 Food and Beverage Undisputed 01/23/2026 1150263089 CMS
Aveo Pharmaceuticals, Inc. $20.35 05/30/2024 Food and Beverage Undisputed 01/23/2026 1143481908 CMS
Blueprint Medicines Corporation $1,008.00 04/26/2024 Consulting Fee Undisputed 01/23/2026 1147447816 CMS
Celgene Corporation $17.48 01/15/2024 Food and Beverage Undisputed 01/23/2026 1101100022 CMS
Daiichi Sankyo Inc. $1,110.00 05/29/2024 Consulting Fee Undisputed 01/23/2026 1089443517 CMS
Daiichi Sankyo Inc. $1,387.50 07/24/2024 Consulting Fee Undisputed 01/23/2026 1089443511 CMS
Daiichi Sankyo Inc. $1,942.50 08/14/2024 Consulting Fee Undisputed 01/23/2026 1089443519 CMS
Daiichi Sankyo Inc. $555.00 10/23/2024 Consulting Fee Undisputed 01/23/2026 1089443515 CMS
Daiichi Sankyo Inc. $1,410.00 10/30/2024 Consulting Fee Undisputed 01/23/2026 1089443513 CMS
E.R. Squibb & Sons, L.L.C. $13.56 01/03/2024 Food and Beverage Undisputed 01/23/2026 1101288638 CMS
E.R. Squibb & Sons, L.L.C. $13.88 10/16/2024 Food and Beverage Undisputed 01/23/2026 1101288694 CMS
E.R. Squibb & Sons, L.L.C. $116.90 12/04/2024 Food and Beverage Undisputed 01/23/2026 1101288712 CMS
Fennec Pharmaceuticals, Inc. $16.76 03/19/2024 Food and Beverage Undisputed 01/23/2026 1120187048 CMS
JAZZ PHARMACEUTICALS INC. $119.47 03/09/2024 Food and Beverage Undisputed 01/23/2026 1150239516 CMS
Kite Pharma, Inc. $15.44 03/07/2024 Food and Beverage Undisputed 01/23/2026 1128612329 CMS
Novartis Pharmaceuticals Corporation $21.42 02/15/2024 Food and Beverage Undisputed 01/23/2026 1087080222 CMS
Novartis Pharmaceuticals Corporation $19.45 11/26/2024 Food and Beverage Undisputed 01/23/2026 1087080246 CMS
Novo Nordisk Inc $14.87 02/19/2024 Food and Beverage Undisputed 01/23/2026 1097695522 CMS
Novo Nordisk Inc $13.38 07/15/2024 Food and Beverage Undisputed 01/23/2026 1097359304 CMS
Pharmacosmos Therapeutics Inc. $233.54 06/28/2024 Travel and Lodging Undisputed 01/23/2026 1154823245 CMS
Pharmacosmos Therapeutics Inc. $605.94 06/28/2024 Travel and Lodging Undisputed 01/23/2026 1154823247 CMS
Pharmacosmos Therapeutics Inc. $477.66 06/28/2024 Travel and Lodging Undisputed 01/23/2026 1154823249 CMS
Pharmacosmos Therapeutics Inc. $150.55 06/28/2024 Food and Beverage Undisputed 01/23/2026 1154823251 CMS
Pharmacosmos Therapeutics Inc. $13.14 06/29/2024 Food and Beverage Undisputed 01/23/2026 1154823253 CMS
Pharmacosmos Therapeutics Inc. $76.23 06/29/2024 Food and Beverage Undisputed 01/23/2026 1154823255 CMS
Pharmacosmos Therapeutics Inc. $324.95 06/29/2024 Travel and Lodging Undisputed 01/23/2026 1154823257 CMS
Pharmacosmos Therapeutics Inc. $63.29 06/29/2024 Food and Beverage Undisputed 01/23/2026 1154823259 CMS
Pharmacosmos Therapeutics Inc. $5,294.00 07/24/2024 Honoraria Undisputed 01/23/2026 1154823261 CMS
Pharmacosmos Therapeutics Inc. $41.00 07/24/2024 Travel and Lodging Undisputed 01/23/2026 1154823263 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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