Physician profile

Stefan T Tachev

Nephrology (Internal Medicine) · Exton, PA

NPI 1295778108

$3,683.13

in general payments reported to CMS, 2019-2025

26 companies · $1,043 in 2025

The $1,043 reported for 2025 was more than what 79% of Nephrology (Internal Medicine) providers received nationally (typical 2025 total: $311).

Payments by year

General payments by program year, as reported to CMS.

What the payments were for

Nature of payment as categorized by the reporting companies: meals, consulting, travel, and so on.

View as a table
Payment typeAmount (2023-2025)
Food and Beverage$2,271.13
Education$63.99

Payment-type detail covers 2023-2025; earlier years are included in totals but not broken out here.

Who reported paying

General payments only, as reported to CMS. Product names cover 2023-2025.

CompanyGeneral paymentsYearsTop products
Astrazeneca Pharmaceuticals LP $584.33 2019-2025 Farxiga, Lokelma
Bayer Healthcare Pharmaceuticals INC. $319.89 2022-2025
Amgen INC. $284.92 2019-2025 Tavneos, Uplizna, Parsabiv
Lilly USA, LLC $261.49 2023-2025 Jardiance
Alexion Pharmaceuticals, INC. $245.95 2019-2025 Ultomiris
Vifor Pharma, INC. $234.52 2019-2025 Veltassa
Mallinckrodt Hospital Products INC. $226.77 2020-2025 Acthar
Travere Therapeutics, INC. $183.90 2024-2025 Filspari
Otsuka America Pharmaceutical, INC. $182.72 2019-2025 Jynarque
Glaxosmithkline, LLC. $176.58 2021-2024 Benlysta, Jesduvroq
Novartis Pharmaceuticals Corporation $176.45 2024-2025
Opko Pharmaceuticals, LLC $98.85 2021-2025 Rayaldee
Fresenius USA Marketing, INC. $98.65 2021-2023 Velphoro
Ardelyx, INC. $91.11 2025 Ibsrela
Akebia Therapeutics INC $85.64 2022-2025 Auryxia, Vafseo
Show all 26 companies
CompanyGeneral paymentsYearsTop products
Ani Pharmaceuticals, INC. $83.01 2022-2023 Purified Cortrophin Gel
Novo Nordisk INC $72.70 2023-2025 Ozempic, Rybelsus
Calliditas Therapeutics US INC. $60.80 2025 Tarpeyo
Takeda Pharmaceuticals U.S.A., INC. $55.29 2022-2023 Gattex
Horizon Therapeutics Plc $36.28 2019-2021
Otsuka Pharmaceutical Development & Commercialization, INC. $29.58 2019
Genzyme Corporation $25.71 2023
Shire North American Group INC $20.66 2019
Scpharmaceuticals INC. $18.50 2025
Mallinckrodt Enterprises LLC $16.92 2019
Genentech USA, INC. $11.91 2019

Drugs and devices associated with these payments

CMS records which products a payment was associated with, not how the money was allocated. Association is not allocation: one payment can be associated with several products, and a product listing does not mean the payment was made because of that product. Product detail covers 2023-2025.

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Payment summary

Stefan T Tachev

$3,683.13

in general payments reported 2019-2025

Years
2019-2025
Top company
Astrazeneca Pharmaceuticals LP
Context
The $1,043 reported for 2025 was more than what 79% of Nephrology (Internal Medicine) providers received nationally (typical 2025 total: $311).

https://glasscript.com/doctor/240874/stefan-t-tachev

Source: CMS Open Payments, program years 2019-2025. Payments are legal and often routine.

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Source: CMS Open Payments, program years 2019-2025, as reported to CMS by drug and device makers (published June 30, 2026). Drug and device detail covers 2023-2025.