Physician profile

Stuart Douglas Klein

Internal Medicine · Poway, CA

NPI 1104834472

$11,528.36

in general payments reported to CMS, 2019-2025

54 companies · $983 in 2025

The $983 reported for 2025 was more than what 85% of Internal Medicine providers received nationally (typical 2025 total: $156).

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$3,408.04

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
Biohaven Pharmaceutical Holding Company Ltd. $1,742.65 2022
Abbvie INC. $1,438.36 2019-2025
Glaxosmithkline, LLC. $1,056.89 2019-2025 Trelegy Ellipta, Arexvy, Shingrix
Astrazeneca Pharmaceuticals Lp $996.10 2019-2025 Airsupra, Farxiga, Breztri
Lilly USA, LLC $694.32 2019-2025 Mounjaro, Jardiance, Zepbound
Merck Sharp & Dohme LLC $469.48 2019-2025 Gardasil 9, Capvaxive, Gardasil
Pfizer INC. $398.71 2019-2025
Novo Nordisk INC $389.14 2019-2025 Rybelsus, Ozempic
Kowa Pharmaceuticals America, INC. $337.36 2019-2024 Livalo, Seglentis, Zoryve
Salix Pharmaceuticals, A Division of Bausch Health US, LLC $293.11 2020-2025 Xifaxan
Astellas Pharma US INC $287.88 2019-2024 Veozah
Eisai INC. $280.04 2019-2022
Indivior INC. $274.69 2019-2025 Sublocade
Allergan, INC. $270.51 2019-2020
Amarin Pharma, INC. $265.89 2019-2022
Show all 54 companies
CompanyGeneral paymentsYearsTop products
Biohaven Pharmaceuticals, INC. $206.42 2020-2021
Amgen INC. $205.14 2019-2024 Repatha
Teva Pharmaceuticals USA, INC. $162.21 2019-2020
Seqirus USA INC $132.37 2021-2025 Flucelvax, Fluad, Flucelvax Quadrivalent
Bayer Healthcare Pharmaceuticals INC. $109.98 2022-2024
Novartis Pharmaceuticals Corporation $107.57 2019-2023
Sanofi-Aventis U.S. LLC $106.05 2019-2022
E.R. Squibb & Sons, L.L.C. $94.83 2019-2022
Abbott Laboratories $92.09 2021-2025 Freestyle Libre 3
Boehringer Ingelheim Pharmaceuticals, INC. $85.70 2019-2025 Jardiance
Horizon Therapeutics Plc $84.88 2019
Boston Scientific Corporation $73.13 2022-2025 General - Pain Management
Orexo US, INC. $65.34 2019-2021
Takeda Pharmaceuticals U.S.A., INC. $59.35 2019-2024 Gattex
Dexcom, INC. $52.40 2021-2025 Dexcom G6 Transmitter
Optinose US, INC. $47.43 2022
Teleflex LLC $47.27 2023-2025 Barrigel, Urolift
Nevro Corp. $45.46 2022-2023 Senza
Inspire Medical Systems, INC. $43.18 2024-2025 Inspire
Exact Sciences Corporation $43.17 2023 Cologuard Collection Kit
Si-Bone, INC. $37.51 2023-2024
Ultragenyx Pharmaceutical INC. $36.32 2020-2022
Gilead Sciences, INC. $33.76 2025
Janssen Pharmaceuticals, INC $32.31 2019-2021
Sanofi Pasteur INC. $32.17 2019-2020
Arbor Pharmaceuticals, INC. $30.63 2021
Scilex Pharmaceuticals INC. $27.17 2020
Braeburn INC. $26.35 2025 Brixadi
Daiichi Sankyo INC. $24.04 2023 Injectafer
Linus Health, INC. $23.02 2022
Organogenesis INC. $22.49 2024
Radius Health, INC. $21.80 2019
Therapeuticsmd, INC. $21.15 2021
Hologic Sales and Service, LLC $20.19 2023 Thinprep 2000 Processor, Aptima
Baxter Healthcare $18.15 2025 Hillrom - Cardiac Ambulatory Monitor
Viiv Healthcare Company $17.42 2025 Apretude
Idorsia Pharmaceuticals US INC $15.50 2023 Quviviq
Kaleo, INC. $15.44 2019
Supernus Pharmaceuticals, INC. $13.84 2022

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

Stuart Douglas Klein

$11,528.36

in general payments reported 2019-2025

Years
2019-2025
Top company
Biohaven Pharmaceutical Holding Company Ltd.
Context
The $983 reported for 2025 was more than what 85% of Internal Medicine providers received nationally (typical 2025 total: $156).

https://glasscript.com/doctor/95043/stuart-douglas-klein

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.