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

MICHAEL J DEMKO

Allopathic & Osteopathic Physicians Family Medicine

NPI
1477561652
CMS profile
21684
Location
MESA, AZ

General Payments · PY2018–2022

$1,502.15

  • Reported across 87 records
  • CMS publication 2026-01-23

Latest program year · PY2022

$404.09

24 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

PY2022 · sorted by reported total

Nature of paymentAmountRecords
Food and Beverage $404.09 24

By paying entity

PY2022 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $442.84 23
PY2019 $337.88 20
PY2020 $60.08 4
PY2021 $257.26 16
PY2022 $404.09 24

Payment records · PY2022 (24)

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

Program year 2022 2018201920202021 Record-level detail is published for PY2022; earlier years are summarised in “By program year”.
Paying entity Amount Date Nature of payment Dispute status Published Record ID Source
ABBVIE INC. $15.44 02/24/2022 Food and Beverage Undisputed 01/23/2026 890852105 CMS
ABBVIE INC. $18.00 03/03/2022 Food and Beverage Undisputed 01/23/2026 890852107 CMS
ABBVIE INC. $12.86 04/05/2022 Food and Beverage Undisputed 01/23/2026 890852109 CMS
ABBVIE INC. $15.86 04/14/2022 Food and Beverage Undisputed 01/23/2026 890852111 CMS
ABBVIE INC. $18.85 05/18/2022 Food and Beverage Undisputed 01/23/2026 890852113 CMS
ABBVIE INC. $16.87 06/01/2022 Food and Beverage Undisputed 01/23/2026 890852115 CMS
Alfasigma USA, Inc. $14.37 06/23/2022 Food and Beverage Undisputed 01/23/2026 881903897 CMS
Amgen Inc. $19.09 03/01/2022 Food and Beverage Undisputed 01/23/2026 939498619 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $27.76 05/25/2022 Food and Beverage Undisputed 01/23/2026 887373753 CMS
Echosens North America, Inc. $12.26 03/05/2022 Food and Beverage Undisputed 01/23/2026 877936205 CMS
GlaxoSmithKline, LLC. $19.49 01/20/2022 Food and Beverage Undisputed 01/23/2026 944745819 CMS
GlaxoSmithKline, LLC. $24.45 02/10/2022 Food and Beverage Undisputed 01/23/2026 944745823 CMS
GlaxoSmithKline, LLC. $22.35 04/14/2022 Food and Beverage Undisputed 01/23/2026 944745815 CMS
GlaxoSmithKline, LLC. $18.01 04/21/2022 Food and Beverage Undisputed 01/23/2026 944745831 CMS
GlaxoSmithKline, LLC. $16.44 05/19/2022 Food and Beverage Undisputed 01/23/2026 944745827 CMS
GlaxoSmithKline, LLC. $16.39 06/29/2022 Food and Beverage Undisputed 01/23/2026 944745835 CMS
Janssen Pharmaceuticals, Inc $14.29 02/03/2022 Food and Beverage Undisputed 01/23/2026 885699623 CMS
Janssen Pharmaceuticals, Inc $19.46 05/18/2022 Food and Beverage Undisputed 01/23/2026 885699629 CMS
Kowa Pharmaceuticals America, Inc. $15.10 02/17/2022 Food and Beverage Undisputed 01/23/2026 900395691 CMS
Novo Nordisk Inc $13.11 03/03/2022 Food and Beverage Undisputed 01/23/2026 899421893 CMS
Novo Nordisk Inc $16.02 03/31/2022 Food and Beverage Undisputed 01/23/2026 898960963 CMS
Novo Nordisk Inc $13.48 06/02/2022 Food and Beverage Undisputed 01/23/2026 898960954 CMS
Novo Nordisk Inc $11.69 06/30/2022 Food and Beverage Undisputed 01/23/2026 898862677 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $12.45 05/23/2022 Food and Beverage Undisputed 01/23/2026 959575185 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
Source files
Dataset page · Bulk file · PY2018 , PY2019 , PY2020 , PY2021 , PY2022
Generated from
OP_DTL_GNRL_PGYR2022_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.