Physician profile

Corey Jacob Lager

Endocrinology, Diabetes & Metabolism · Portage, MI

NPI 1295171189

$3,892.43

in general payments reported to CMS, 2019-2025

37 companies · $836 in 2025

The $836 reported for 2025 was more than what a typical Endocrinology, Diabetes & Metabolism provider received nationally (typical 2025 total: $506).

See the full distribution for Endocrinology, Diabetes & Metabolism

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$861.01
Honoraria$625.00
Education$42.50

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
Tandem Diabetes Care, INC. $970.24 2019-2025 T:Slim X2 Insulin Pump With Control-Iq
Chiesi USA, INC. $625.00 2025 Mycapssa
Regeneron Healthcare Solutions, INC. $200.82 2022
Novo Nordisk INC $187.13 2019-2024 Wegovy
Novartis Pharmaceuticals Corporation $180.04 2022-2024
Amgen INC. $179.19 2019-2024 Prolia, Evenity, Repatha
Lilly USA, LLC $177.68 2019-2024 Jardiance, Zepbound
Abbott Laboratories $170.00 2019-2025 Freestyle Libre 3
Insulet Corporation $147.15 2019-2024 Omnipod
Valeritas, INC. $92.43 2019
Dexcom, INC. $90.36 2021-2025 Dexcom G6 Transmitter
Mannkind Corporation $83.55 2023-2025 Afrezza
Corcept Therapeutics $81.01 2020-2025 Korlym
Xeris Pharmaceuticals, INC. $75.99 2020-2023 Gvoke Hypopen
Sanofi-Aventis U.S. LLC $74.66 2019-2024
Show all 37 companies
CompanyGeneral paymentsYearsTop products
Neurocrine Biosciences, INC. $63.65 2024-2025
Bayer Healthcare Pharmaceuticals INC. $43.33 2021-2022
Medtronic, INC. $43.26 2021-2023 Minimed 780g
Sequel Med Tech, LLC $35.34 2025 Twiist
Pfizer INC. $33.90 2019-2022
Companion Medical, INC. $33.71 2019-2020
Shire North American Group INC $30.54 2019
Amneal Pharmaceuticals LLC $28.15 2020-2022
Takeda Pharmaceuticals U.S.A., INC. $26.14 2020
Ibsa Pharma INC. $23.32 2020
Boehringer Ingelheim Pharmaceuticals, INC. $22.88 2024 Jardiance, Synjardy
Merck Sharp & Dohme LLC $22.66 2020
Zealand Pharma US, INC. $20.15 2022
Medtronic Minimed, INC. $18.48 2019
Radius Health, INC. $17.17 2019
Abbvie INC. $16.25 2020
Recordati_rare_diseases_inc. $14.93 2021
Horizon Therapeutics Plc $14.63 2023 Tepezza
Cequr Corporation $13.05 2022
Astrazeneca Pharmaceuticals LP $12.46 2019
Ipsen Biopharmaceuticals, INC $12.05 2021
Amarin Pharma, INC. $11.13 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.

If you want to bring it up

Most clinicians are glad to talk about this. A respectful way in:

These are normal questions. A good clinician will welcome them.

Share this page

Payment summary

Corey Jacob Lager

$3,892.43

in general payments reported 2019-2025

Years
2019-2025
Top company
Tandem Diabetes Care, INC.
Context
The $836 reported for 2025 was more than what a typical Endocrinology, Diabetes & Metabolism provider received nationally (typical 2025 total: $506).

https://glasscript.com/doctor/1399007/corey-jacob-lager

Source: CMS Open Payments, program years 2019-2025. Payments are legal and often routine.

Download CSV

The CSV has this whole record: totals, yearly figures, every listed company, payment types, and product associations.

Keep an eye on this page

Get an email when the next June refresh changes this page. No account needed.

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.