Physician profile

Thomas D Eisen

Nephrology (Internal Medicine) · New Haven, CT

NPI 1427044684

$8,052.56

in general payments reported to CMS, 2019-2025

33 companies · $1,751 in 2025

The $1,751 reported for 2025 was more than what 88% 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$4,292.10
Education$59.73

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
Amgen INC. $1,144.36 2019-2025 Aranesp, Tavneos, Parsabiv
Vifor Pharma, INC. $909.42 2019-2024 Veltassa
Astrazeneca Pharmaceuticals LP $901.65 2019-2025 Farxiga, Lokelma
Akebia Therapeutics INC $499.18 2019-2025 Vafseo, Auryxia
Novo Nordisk INC $467.29 2022-2025 Ozempic, Rybelsus, Rivfloza
Travere Therapeutics, INC. $457.59 2022-2025 Filspari
Mallinckrodt Hospital Products INC. $316.67 2022-2025 Acthar
Otsuka America Pharmaceutical, INC. $296.19 2019-2025 Jynarque
Ardelyx, INC. $286.38 2023-2025 Ibsrela
Bayer Healthcare Pharmaceuticals INC. $281.18 2021-2025
Glaxosmithkline, LLC. $270.01 2020-2025 Benlysta, Jesduvroq
Boehringer Ingelheim Pharmaceuticals, INC. $266.59 2023-2025 Jardiance
Calliditas Therapeutics US INC. $264.51 2022-2025 Tarpeyo
Fresenius USA Marketing, INC. $254.37 2019-2025 Velphoro, Velphoro
Genzyme Corporation $204.94 2019-2025
Show all 33 companies
CompanyGeneral paymentsYearsTop products
Aurinia Pharma U.S., INC. $201.15 2021-2025 Lupkynis
Novartis Pharmaceuticals Corporation $183.94 2019-2025
Xeris Pharmaceuticals, INC. $126.84 2021-2025 Keveyis, Gvoke Hypopen
Alexion Pharmaceuticals, INC. $123.76 2021-2024 Ultomiris
Kyowa Kirin, INC. $105.08 2023-2025 Crysvita
Horizon Therapeutics Plc $95.28 2022-2023 Krystexxa
Genentech USA, INC. $84.57 2019
Ultragenyx Pharmaceutical INC. $78.20 2021-2022
Lilly USA, LLC $51.14 2023-2025 Jardiance
Apellis Pharmaceuticals, INC. $33.04 2025 Empaveli
Shire North American Group INC $27.83 2019
Ani Pharmaceuticals, INC. $21.55 2025 Purified Cortrophin Gel
Opko Pharmaceuticals, LLC $18.88 2021
Cormedix INC. $18.41 2024 Defencath
Csl Behring $17.44 2020
Bard Peripheral Vascular, INC. $17.35 2019
E.R. Squibb & Sons, L.L.C. $15.85 2019
Janssen Pharmaceuticals, INC $11.92 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

Thomas D Eisen

$8,052.56

in general payments reported 2019-2025

Years
2019-2025
Top company
Amgen INC.
Context
The $1,751 reported for 2025 was more than what 88% of Nephrology (Internal Medicine) providers received nationally (typical 2025 total: $311).

https://glasscript.com/doctor/19525/thomas-d-eisen

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.