Physician profile

Jonathan Sung

Nephrology (Internal Medicine) · Torrance, CA

NPI 1477057859

$6,047.98

in general payments reported to CMS, 2019-2025

36 companies · $2,362 in 2025

The $2,362 reported for 2025 was more than what 90% 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$5,502.86
Education$53.90

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
Aurinia Pharma U.S., INC. $813.90 2022-2025 Lupkynis
Travere Therapeutics, INC. $643.08 2023-2025
Calliditas Therapeutics US INC. $494.62 2023-2025 Tarpeyo
Ardelyx, INC. $444.86 2023-2025 Ibsrela, Xphozah 30 Mg
Otsuka America Pharmaceutical, INC. $374.40 2023-2025 Jynarque
Bayer Healthcare Pharmaceuticals INC. $351.58 2023-2025
Amgen INC. $332.70 2022-2025 Krystexxa, Tavneos
Akebia Therapeutics INC $298.26 2023-2025 Vafseo, Auryxia
Vifor Pharma, INC. $261.79 2024-2025 Veltassa
Astrazeneca Pharmaceuticals LP $194.15 2023-2025 Farxiga, Lokelma
Mallinckrodt Hospital Products INC. $181.56 2023-2025 Acthar, Terlivaz
Boehringer Ingelheim Pharmaceuticals, INC. $171.21 2023-2025 Jardiance
Novo Nordisk INC $164.20 2023-2025 Ozempic
Novartis Pharmaceuticals Corporation $144.43 2024-2025
Fresenius USA Marketing, INC. $130.68 2024-2025 Velphoro, Velphoro
Show all 36 companies
CompanyGeneral paymentsYearsTop products
Bard Peripheral Vascular, INC. $127.71 2025 Venovo
Ani Pharmaceuticals, INC. $113.60 2023-2025 Purified Cortrophin Gel
Opko Pharmaceuticals, LLC $109.81 2023-2025 Rayaldee
Alexion Pharmaceuticals, INC. $101.94 2023-2025 Ultomiris
Takeda Pharmaceuticals U.S.A., INC. $101.60 2022
Scpharmaceuticals INC. $93.86 2025
Apellis Pharmaceuticals, INC. $74.04 2025 Empaveli
Lilly USA, LLC $34.04 2025 Jardiance
Veloxis Pharmaceuticals, INC. $33.88 2023 Envarsus
Kyowa Kirin, INC. $29.86 2025
Glaxosmithkline, LLC. $28.18 2024 Benlysta
Ascendis Pharma Endocrinology INC $25.29 2025 Yorvipath
Invivyd INC $24.37 2025 Pemgarda
Genzyme Corporation $24.21 2025
Boston Scientific Corporation $21.26 2024 Watchman Flx
Medtronic, INC. $20.31 2024 Symplicity G3
Paratek Pharmaceuticals, INC. $17.92 2024 Nuzyra
Otsuka Pharmaceutical Development & Commercialization, INC. $17.16 2024
Shield Therapeutics INC $16.73 2024
Janssen Pharmaceuticals, INC $16.19 2023 Xarelto
Pfizer INC. $14.60 2024

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

Jonathan Sung

$6,047.98

in general payments reported 2019-2025

Years
2022-2025
Top company
Aurinia Pharma U.S., INC.
Context
The $2,362 reported for 2025 was more than what 90% of Nephrology (Internal Medicine) providers received nationally (typical 2025 total: $311).

https://glasscript.com/doctor/11418618/jonathan-sung

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.