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 L JANZEN

Allopathic & Osteopathic Physicians Surgery Vascular Surgery

NPI
1932329265
CMS profile
314991
Location
RIVERSIDE, CA

General Payments · PY2018–2024

$10,886.85

  • Reported across 42 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$9,951.34

20 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
ShockWave Medical, Inc $8,235.86 9
Cook Incorporated $892.72 3
Silk Road Medical, Inc. $395.97 3
Cook Medical LLC $258.08 3
W. L. Gore & Associates, Inc. $146.75 1
Abbott Laboratories $21.96 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $129.85 9
PY2023 $805.66 13
PY2024 $9,951.34 20

Payment records · PY2024 (20)

Sorted by paying entity, then date · as published by CMS

Program year 2024 20182023 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 $21.96 12/19/2024 Food and Beverage Undisputed 01/23/2026 1125344369 CMS
Cook Incorporated $42.08 04/18/2024 Food and Beverage Undisputed 01/23/2026 1118323711 CMS
Cook Incorporated $700.19 04/18/2024 Travel and Lodging Undisputed 01/23/2026 1118323849 CMS
Cook Incorporated $150.45 04/18/2024 Travel and Lodging Undisputed 01/23/2026 1118324019 CMS
Cook Medical LLC $203.18 03/08/2024 Food and Beverage Undisputed 01/23/2026 1118336149 CMS
Cook Medical LLC $25.83 06/10/2024 Food and Beverage Undisputed 01/23/2026 1118343961 CMS
Cook Medical LLC $29.07 08/21/2024 Food and Beverage Undisputed 01/23/2026 1118337543 CMS
ShockWave Medical, Inc $230.67 02/22/2024 Food and Beverage Undisputed 01/23/2026 1153006618 CMS
ShockWave Medical, Inc $353.88 02/22/2024 Travel and Lodging Undisputed 01/23/2026 1153006620 CMS
ShockWave Medical, Inc $41.13 02/22/2024 Travel and Lodging Undisputed 01/23/2026 1153006622 CMS
ShockWave Medical, Inc $713.20 02/22/2024 Travel and Lodging Undisputed 01/23/2026 1153006624 CMS
ShockWave Medical, Inc $44.24 02/23/2024 Food and Beverage Undisputed 01/23/2026 1153006626 CMS
ShockWave Medical, Inc $3,300.00 03/28/2024 Compensation for serving as faculty or as a speaker for a medical education program Undisputed 01/23/2026 1153006632 CMS
ShockWave Medical, Inc $148.89 04/02/2024 Food and Beverage Undisputed 01/23/2026 1153006628 CMS
ShockWave Medical, Inc $3,300.00 06/05/2024 Compensation for serving as faculty or as a speaker for a medical education program Undisputed 01/23/2026 1153006630 CMS
ShockWave Medical, Inc $103.85 09/24/2024 Food and Beverage Undisputed 01/23/2026 1152998213 CMS
Silk Road Medical, Inc. $132.85 03/26/2024 Food and Beverage Undisputed 01/23/2026 1082260690 CMS
Silk Road Medical, Inc. $103.08 09/04/2024 Food and Beverage Undisputed 01/23/2026 1082260686 CMS
Silk Road Medical, Inc. $160.04 11/04/2024 Food and Beverage Undisputed 01/23/2026 1082260688 CMS
W. L. Gore & Associates, Inc. $146.75 10/08/2024 Food and Beverage Undisputed 01/23/2026 1148140213 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, 2023, 2024
Source files
Dataset page · Bulk file · PY2018 , PY2023 , PY2024
Generated from
OP_DTL_GNRL_PGYR2024_P01232026_01102026.csv

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