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

ALEXANDROS MALLIOS

Allopathic & Osteopathic Physicians Surgery Vascular Surgery

NPI
1235477613
CMS profile
283354
Location
TULSA, OK

General Payments · PY2019–2023

$204,325.88

  • Reported across 107 records
  • CMS publication 2026-01-23

Latest program year · PY2023

$41,456.29

8 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

PY2023 · sorted by reported total

Nature of paymentAmountRecords
Consulting Fee $32,347.24 4
Travel and Lodging $6,209.23 3
Acquisitions $2,899.82 1

By paying entity

PY2023 · sorted by reported total

Paying entityAmountRecords
Contego Medical, Inc $38,556.47 7
Medtronic, Inc. $2,899.82 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2019 $107,606.10 65
PY2020 $25,383.14 25
PY2021 $16,171.03 3
PY2022 $13,709.32 6
PY2023 $41,456.29 8

Payment records · PY2023 (8)

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

Program year 2023 2019202020212022 Record-level detail is published for PY2023; earlier years are summarised in “By program year”.
Paying entity Amount Date Nature of payment Dispute status Published Record ID Source
Contego Medical, Inc $9,420.17 02/03/2023 Consulting Fee Undisputed 01/23/2026 1058449917 CMS
Contego Medical, Inc $5,858.55 05/10/2023 Travel and Lodging Undisputed 01/23/2026 1058450245 CMS
Contego Medical, Inc $332.92 06/16/2023 Travel and Lodging Undisputed 01/23/2026 1058449817 CMS
Contego Medical, Inc $7,389.59 06/23/2023 Consulting Fee Undisputed 01/23/2026 1058449925 CMS
Contego Medical, Inc $17.76 07/21/2023 Travel and Lodging Undisputed 01/23/2026 1058449840 CMS
Contego Medical, Inc $7,337.48 10/17/2023 Consulting Fee Undisputed 01/23/2026 1058449933 CMS
Contego Medical, Inc $8,200.00 12/31/2023 Consulting Fee Undisputed 01/23/2026 1058449941 CMS
Medtronic, Inc. $2,899.82 01/26/2023 Acquisitions Undisputed 01/23/2026 1007522591 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
2019, 2020, 2021, 2022, 2023
Source files
Dataset page · Bulk file · PY2019 , PY2020 , PY2021 , PY2022 , PY2023
Generated from
OP_DTL_GNRL_PGYR2023_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.