Physician profile

Gregory D Kaczmarek

Internal Medicine · Skokie, IL

NPI 1629032958

$19,866.25

in general payments reported to CMS, 2019-2025

72 companies · $2,541 in 2025

The $2,541 reported for 2025 was more than what 95% 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$8,453.55
Education$32.27

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
Novo Nordisk INC $2,791.57 2019-2025 Wegovy, Ozempic, Rybelsus
Pfizer INC. $2,223.63 2019-2025
Astrazeneca Pharmaceuticals LP $2,064.43 2019-2025 Airsupra, Breztri, Farxiga
Abbvie INC. $2,010.47 2019-2025
Amgen INC. $1,336.01 2019-2025 Repatha, Otezla, Otezla
Lilly USA, LLC $1,054.25 2019-2025 Mounjaro, Jardiance, Zepbound
Janssen Pharmaceuticals, INC $713.86 2020-2025 Spravato, Xarelto
Merck Sharp & Dohme LLC $624.76 2019-2025 Gardasil 9, Capvaxive, Vaxneuvance
Salix Pharmaceuticals, A Division of Bausch Health US, LLC $576.17 2019-2025 Xifaxan
Glaxosmithkline, LLC. $496.07 2020-2025 Shingrix, Arexvy
Boehringer Ingelheim Pharmaceuticals, INC. $491.52 2019-2025 Jardiance
Esperion Therapeutics, INC. $300.50 2020-2025 Nexletol
Takeda Pharmaceuticals U.S.A., INC. $268.18 2019-2023 Trintellix
Astellas Pharma US INC $249.52 2019-2023 Myrbetriq
Ultragenyx Pharmaceutical INC. $240.48 2020-2023 Crysvita
Show all 72 companies
CompanyGeneral paymentsYearsTop products
Mylan Specialty L.P. $209.45 2021-2024 Yupelri
Allergan, INC. $202.75 2019-2020
Novartis Pharmaceuticals Corporation $198.72 2019-2023
Biohaven Pharmaceuticals, INC. $196.32 2020-2021
Bayer Healthcare Pharmaceuticals INC. $193.35 2022-2024
Gilead Sciences, INC. $192.46 2019-2025
Biohaven Pharmaceutical Holding Company LTD. $171.68 2022
Kowa Pharmaceuticals America, INC. $165.38 2019-2021
Seqirus USA INC $157.41 2019-2025 Fluad, Flucelvax, Flucelvax Quadrivalent
Hikma Pharmaceuticals USA $148.75 2020-2023 Ryaltris, Mitigare, Kloxxado
Ibsa Pharma INC. $142.26 2020-2022
Vivus LLC $123.03 2019-2022
Otsuka America Pharmaceutical, INC. $122.18 2023 Rexulti
Sumitomo Pharma America, INC. $113.19 2023-2025 Gemtesa
Inspire Medical Systems, INC. $110.20 2023-2025 Inspire
Abbott Laboratories $107.08 2019-2022
Almatica Pharma LLC $103.32 2021-2022
Jazz Pharmaceuticals INC. $102.21 2021-2022
Exact Sciences Corporation $99.70 2023-2025 Cologuard Collection Kit
Genentech USA, INC. $94.01 2019-2022
Bausch Health US, LLC $86.04 2021-2022
Sanofi Pasteur INC. $83.91 2022-2025
Axsome Therapeutics, INC. $79.38 2025 Auvelity, Symbravo
E.R. Squibb & Sons, L.L.C. $77.73 2019-2024 Eliquis
Avanir Pharmaceuticals, INC. $76.64 2019-2022
Clarus Therapeutics INC. $64.54 2020-2021
Sanofi-Aventis U.S. LLC $64.21 2020-2024
Corium, LLC $60.16 2023 Adlarity
Vbi Vaccine (Delaware) INC. $59.09 2022
Supernus Pharmaceuticals, INC. $53.59 2019-2020
Janssen Biotech, INC. $52.42 2019
Eyevance Pharmaceuticals LLC $49.12 2021
Adlon Therapeutics L.P. $45.41 2021
Idorsia Pharmaceuticals US INC $43.80 2022-2023 Quviviq
Edwards Lifesciences Corporation $42.01 2023 Edwards Sapien 3 Transcatheter Heart Valve (Thv)
Ironwood Pharmaceuticals, INC $39.59 2019-2020
Currax Pharmaceuticals LLC $38.17 2021
Boston Scientific Corporation $37.94 2020-2022
Eisai INC. $36.05 2021-2022
Daiichi Sankyo INC. $34.50 2020-2021
Lundbeck LLC $33.53 2023 Vyepti
Corcept Therapeutics $31.13 2025 Korlym
Vanda Pharmaceuticals INC. $27.41 2019
Teva Pharmaceuticals USA, INC. $23.90 2019
Smith+Nephew, INC. $22.72 2019
Regeneron Healthcare Solutions, INC. $21.87 2024 Evkeeza, Praluent
Spinal Simplicity, LLC $21.80 2025 Ha Minuteman G3-R
Phadia US INC. $19.89 2023 Immunocap
Antares Pharma, INC. $18.78 2020
Azurity Pharmaceuticals, INC. $18.33 2024 Edarbi
Melinta Therapeutics, LLC $18.07 2019
Arbor Pharmaceuticals, INC. $17.36 2019
Philips North America LLC $17.02 2023
Ethicon US, LLC $15.89 2019
Hologic Sales and Service, LLC $14.95 2021
Foundation Fusion Solutions, LLC $12.29 2023
Avion Pharmaceuticals $12.14 2020

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

Gregory D Kaczmarek

$19,866.25

in general payments reported 2019-2025

Years
2019-2025
Top company
Novo Nordisk INC
Context
The $2,541 reported for 2025 was more than what 95% of Internal Medicine providers received nationally (typical 2025 total: $156).

https://glasscript.com/doctor/163680/gregory-d-kaczmarek

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.