Physician profile

John D Blackman

Endocrinology, Diabetes & Metabolism · Columbus, OH

NPI 1174694749

$623.46

in general payments reported to CMS, 2019-2025

10 companies · $72.61 in 2025

The $72.61 reported for 2025 was less than what a typical Endocrinology, Diabetes & Metabolism provider received nationally (typical 2025 total: $506).

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$465.66

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
Insulet Corporation $156.08 2024-2025 Omnipod
Abbott Laboratories $153.71 2023-2024 Freestyle Libre 3
Dexcom, INC. $80.08 2022-2024 Dexcom G6 Transmitter
Medtronic, INC. $63.90 2024-2025 Minimed 780g
Novo Nordisk INC $55.17 2022
Xeris Pharmaceuticals, INC. $53.38 2022
Lilly USA, LLC $17.00 2022
Corcept Therapeutics $15.08 2023 Korlym
Boehringer Ingelheim Pharmaceuticals, INC. $14.62 2023 Jardiance
Ultragenyx Pharmaceutical INC. $14.44 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

John D Blackman

$623.46

in general payments reported 2019-2025

Years
2022-2025
Top company
Insulet Corporation
Context
The $72.61 reported for 2025 was less than what a typical Endocrinology, Diabetes & Metabolism provider received nationally (typical 2025 total: $506).

https://glasscript.com/doctor/53403/john-d-blackman

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.