Physician profile

John Burton Calhoun

Internal Medicine · Charleston, SC

NPI 1770845141

$2,995.22

in general payments reported to CMS, 2019-2025

29 companies · $360 in 2025

The $360 reported for 2025 was more than what a typical Internal Medicine provider 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$848.54

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
Janssen Pharmaceuticals, INC $582.85 2019-2023 Spravato
Abbvie INC. $458.68 2020-2024 Qulipta, Vraylar, Linzess
Novo Nordisk INC $300.37 2019-2022
Glaxosmithkline, LLC. $214.85 2020-2025 Trelegy Ellipta
Nevro Corp. $197.27 2021-2023 Senza
Amarin Pharma, INC. $148.97 2019-2021
Novartis Pharmaceuticals Corporation $115.22 2019-2022
Abiomed $114.93 2025
Abbott Laboratories $109.52 2021-2023 Freestyle Libre 3
Astrazeneca Pharmaceuticals LP $97.26 2019-2025 Airsupra
Amgen INC. $97.10 2024-2025 Evenity, Repatha, Repatha
Salix Pharmaceuticals, A Division of Bausch Health US, LLC $73.20 2019
Allergan, INC. $61.10 2019-2020
Medtronic, INC. $59.46 2025 Symplicity G3
Pfizer INC. $57.91 2019-2021
Show all 29 companies
CompanyGeneral paymentsYearsTop products
Lilly USA, LLC $45.09 2020-2022
Dexcom, INC. $44.13 2024-2025 Dexcom G6 Transmitter
Shire North American Group INC $38.32 2019
Sanofi-Aventis U.S. LLC $36.02 2020
Inspire Medical Systems, INC. $18.71 2025 Inspire
Xeris Pharmaceuticals, INC. $18.40 2023 Gvoke Hypopen
Biohaven Pharmaceuticals, INC. $16.94 2021
Astellas Pharma US INC $15.83 2020
Otsuka America Pharmaceutical, INC. $14.14 2025 Rexulti
Kowa Pharmaceuticals America, INC. $12.50 2019
Horizon Therapeutics Plc $12.13 2020
Boehringer Ingelheim Pharmaceuticals, INC. $12.11 2020
Takeda Pharmaceuticals U.S.A., INC. $11.31 2021
E.R. Squibb & Sons, L.L.C. $10.90 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.

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

John Burton Calhoun

$2,995.22

in general payments reported 2019-2025

Years
2019-2025
Top company
Janssen Pharmaceuticals, INC
Context
The $360 reported for 2025 was more than what a typical Internal Medicine provider received nationally (typical 2025 total: $156).

https://glasscript.com/doctor/983463/john-burton-calhoun

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

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.