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

ANDREI VIKTOROVICH MARECHEK

Allopathic & Osteopathic Physicians Oral & Maxillofacial Surgery

NPI
1033539606
CMS profile
1397509
Location
BATON ROUGE, LA

General Payments · PY2018–2024

$3,811.70

  • Reported across 48 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$1,565.81

17 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
Travel and Lodging $1,016.31 6
Food and Beverage $549.50 11

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
Stryker Corporation $1,309.29 11
KLS-Martin L.P. $256.52 6

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $1,171.22 15
PY2019 $584.61 7
PY2021 $151.05 4
PY2022 $110.71 1
PY2023 $228.30 4
PY2024 $1,565.81 17

Payment records · PY2024 (17)

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

Program year 2024 20182019202120222023 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
KLS-Martin L.P. $121.13 02/21/2024 Food and Beverage Undisputed 01/23/2026 1144945059 CMS
KLS-Martin L.P. $104.00 03/23/2024 Food and Beverage Undisputed 01/23/2026 1144945061 CMS
KLS-Martin L.P. $6.81 03/29/2024 Food and Beverage Undisputed 01/23/2026 1144945063 CMS
KLS-Martin L.P. $8.76 08/05/2024 Food and Beverage Undisputed 01/23/2026 1144945065 CMS
KLS-Martin L.P. $9.78 10/04/2024 Food and Beverage Undisputed 01/23/2026 1144945067 CMS
KLS-Martin L.P. $6.04 10/28/2024 Food and Beverage Undisputed 01/23/2026 1144945069 CMS
Stryker Corporation $469.99 08/24/2024 Travel and Lodging Undisputed 01/23/2026 1119905263 CMS
Stryker Corporation $48.83 10/10/2024 Travel and Lodging Undisputed 01/23/2026 1119905265 CMS
Stryker Corporation $152.99 10/10/2024 Food and Beverage Undisputed 01/23/2026 1119905267 CMS
Stryker Corporation $7.32 10/11/2024 Travel and Lodging Undisputed 01/23/2026 1119905269 CMS
Stryker Corporation $24.93 10/11/2024 Travel and Lodging Undisputed 01/23/2026 1119905271 CMS
Stryker Corporation $96.94 10/17/2024 Travel and Lodging Undisputed 01/23/2026 1119905273 CMS
Stryker Corporation $47.11 10/25/2024 Food and Beverage Undisputed 01/23/2026 1119905275 CMS
Stryker Corporation $18.17 10/25/2024 Food and Beverage Undisputed 01/23/2026 1119905277 CMS
Stryker Corporation $18.17 10/25/2024 Food and Beverage Undisputed 01/23/2026 1119905279 CMS
Stryker Corporation $56.54 10/25/2024 Food and Beverage Undisputed 01/23/2026 1119905281 CMS
Stryker Corporation $368.30 10/25/2024 Travel and Lodging Undisputed 01/23/2026 1119905283 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, 2021, 2022, 2023, 2024
Source files
Dataset page · Bulk file · PY2018 , PY2019 , 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.