Physician profile

Carl R Lang

Internal Medicine · Buffalo Grove, IL

NPI 1730167339

$9,609.91

in general payments reported to CMS, 2019-2025

39 companies · $1,556 in 2025

The $1,556 reported for 2025 was more than what 91% of Internal Medicine providers received nationally (typical 2025 total: $156).

See the full distribution for Internal Medicine

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$4,510.96

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 Pharmaceuticals, INC. $1,298.17 2021
Abbvie INC. $1,230.77 2021-2025
Pfizer INC. $1,179.34 2019-2025
Amgen INC. $957.46 2019-2025 Repatha, Evenity, Otezla
Astrazeneca Pharmaceuticals LP $695.89 2019-2025 Airsupra, Farxiga, Breztri
Lilly USA, LLC $579.45 2019-2025 Mounjaro, Zepbound, Jardiance
Novo Nordisk INC $577.55 2019-2025 Ozempic, Rybelsus, Wegovy
Allergan, INC. $544.58 2019-2020
Esperion Therapeutics, INC. $273.69 2020-2025 Nexletol
Janssen Pharmaceuticals, INC $271.35 2019-2025 Spravato, Xarelto
Amarin Pharma, INC. $215.01 2020-2022
Takeda Pharmaceuticals U.S.A., INC. $211.39 2021-2025 Trintellix
Axsome Therapeutics, INC. $207.48 2024-2025 Auvelity, Symbravo
Idorsia Pharmaceuticals US INC $181.72 2022-2025 Quviviq, Quviviq
E.R. Squibb & Sons, L.L.C. $151.37 2019-2025 Eliquis, Camzyos
Show all 39 companies
CompanyGeneral paymentsYearsTop products
Glaxosmithkline, LLC. $131.83 2019-2025 Shingrix, Arexvy
Salix Pharmaceuticals, A Division of Bausch Health US, LLC $124.85 2019-2024 Xifaxan
Exact Sciences Corporation $111.94 2023-2025 Cologuard Collection Kit, The Cologuard Plus Collection Kit
Boehringer Ingelheim Pharmaceuticals, INC. $89.70 2019-2022
Biohaven Pharmaceutical Holding Company LTD. $85.39 2022
Novartis Pharmaceuticals Corporation $71.25 2022
Ironwood Pharmaceuticals, INC $47.17 2019-2024
Azurity Pharmaceuticals, INC. $43.65 2023 Edarbi, Horizant
Corcept Therapeutics $36.40 2025 Korlym
Horizon Therapeutics Plc $27.73 2021
Arbor Pharmaceuticals, INC. $26.17 2019
Tris Pharma INC $23.84 2024 Dyanavel Xr
Abbott Laboratories $23.69 2019
Edwards Lifesciences Corporation $21.82 2022
Bayer Healthcare Pharmaceuticals INC. $21.64 2025
Collegium Pharmaceutical, INC. $19.91 2025 Jornay Pm
Regeneron Healthcare Solutions, INC. $18.82 2019
Currax Pharmaceuticals LLC $17.45 2025 Contrave
Metuchen Pharmaceuticals $16.73 2019
Shire North American Group INC $15.93 2019
Aytu Biopharma, INC. $15.48 2019
Adlon Therapeutics L.P. $14.63 2019
Teva Pharmaceuticals USA, INC. $14.41 2021
Mannkind Corporation $14.26 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

Carl R Lang

$9,609.91

in general payments reported 2019-2025

Years
2019-2025
Top company
Biohaven Pharmaceuticals, INC.
Context
The $1,556 reported for 2025 was more than what 91% of Internal Medicine providers received nationally (typical 2025 total: $156).

https://glasscript.com/doctor/526525/carl-r-lang

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.