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

STEFAN T TACHEV

Allopathic & Osteopathic Physicians Internal Medicine Nephrology

NPI
1295778108
CMS profile
240874
Location
EXTON, PA

General Payments · PY2018–2024

$3,614.18

  • Reported across 143 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$709.68

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

PY2024 · sorted by reported total

Nature of paymentAmountRecords
Food and Beverage $709.68 24

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $973.60 36
PY2019 $712.89 28
PY2020 $58.10 3
PY2021 $204.54 9
PY2022 $372.48 17
PY2023 $582.89 26
PY2024 $709.68 24

Payment records · PY2024 (24)

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
Amgen Inc. $25.55 06/06/2024 Food and Beverage Undisputed 01/23/2026 1116166851 CMS
Amgen Inc. $18.95 06/14/2024 Food and Beverage Undisputed 01/23/2026 1117696918 CMS
Amgen Inc. $17.92 10/08/2024 Food and Beverage Undisputed 01/23/2026 1117696920 CMS
AstraZeneca Pharmaceuticals LP $101.80 03/20/2024 Food and Beverage Undisputed 01/23/2026 1104325296 CMS
AstraZeneca Pharmaceuticals LP $18.64 04/03/2024 Food and Beverage Undisputed 01/23/2026 1105621663 CMS
AstraZeneca Pharmaceuticals LP $18.90 06/22/2024 Food and Beverage Undisputed 01/23/2026 1104632567 CMS
AstraZeneca Pharmaceuticals LP $22.21 10/11/2024 Food and Beverage Undisputed 01/23/2026 1105201734 CMS
Bayer Healthcare Pharmaceuticals Inc. $17.87 01/04/2024 Food and Beverage Undisputed 01/23/2026 1086178716 CMS
Bayer Healthcare Pharmaceuticals Inc. $19.61 02/28/2024 Food and Beverage Undisputed 01/23/2026 1086214005 CMS
Bayer Healthcare Pharmaceuticals Inc. $19.43 08/22/2024 Food and Beverage Undisputed 01/23/2026 1086154721 CMS
Bayer Healthcare Pharmaceuticals Inc. $21.05 10/21/2024 Food and Beverage Undisputed 01/23/2026 1086262702 CMS
Bayer Healthcare Pharmaceuticals Inc. $20.79 12/20/2024 Food and Beverage Undisputed 01/23/2026 1086194206 CMS
GlaxoSmithKline, LLC. $21.51 01/12/2024 Food and Beverage Undisputed 01/23/2026 1116474956 CMS
GlaxoSmithKline, LLC. $19.08 09/13/2024 Food and Beverage Undisputed 01/23/2026 1116562934 CMS
Lilly USA, LLC $18.23 01/31/2024 Food and Beverage Undisputed 01/23/2026 1135431325 CMS
Lilly USA, LLC $20.86 03/11/2024 Food and Beverage Undisputed 01/23/2026 1135411641 CMS
Lilly USA, LLC $117.78 06/27/2024 Food and Beverage Undisputed 01/23/2026 1135385191 CMS
Lilly USA, LLC $24.94 09/13/2024 Food and Beverage Undisputed 01/23/2026 1135424405 CMS
Mallinckrodt Hospital Products Inc. $32.30 05/09/2024 Food and Beverage Undisputed 01/23/2026 1145143668 CMS
Novartis Pharmaceuticals Corporation $32.76 09/12/2024 Food and Beverage Undisputed 01/23/2026 1087437246 CMS
Novo Nordisk Inc $23.74 04/25/2024 Food and Beverage Undisputed 01/23/2026 1096748988 CMS
Travere Therapeutics, Inc. $36.10 06/28/2024 Food and Beverage Undisputed 01/23/2026 1149913663 CMS
Travere Therapeutics, Inc. $23.40 10/24/2024 Food and Beverage Undisputed 01/23/2026 1149913659 CMS
Vifor Pharma, Inc. $16.26 01/22/2024 Food and Beverage Undisputed 01/23/2026 1124041060 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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