Physician profile

John C Showalter

Internal Medicine · Knoxville, TN

NPI 1104862002

$8,433.07

in general payments reported to CMS, 2019-2025

48 companies · $1,162 in 2025

The $1,162 reported for 2025 was more than what 87% of Internal Medicine providers received nationally (typical 2025 total: $156).

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$4,210.84

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
Abbvie INC. $1,104.68 2019-2025 Vraylar, Ubrelvy, Linzess
Pfizer INC. $1,025.34 2019-2025
Novo Nordisk INC $989.38 2019-2025 Wegovy, Ozempic, Rybelsus
Amgen INC. $746.41 2019-2025 Repatha, Otezla, Otezla
Abbott Laboratories $589.69 2022-2025 Freestyle Libre 3
Astellas Pharma US INC $305.74 2019-2025 Veozah, Myrbetriq
Astrazeneca Pharmaceuticals LP $295.97 2019-2025 Airsupra
E.R. Squibb & Sons, L.L.C. $293.29 2019-2025 Eliquis, Camzyos
Novartis Pharmaceuticals Corporation $281.24 2019-2023
Salix Pharmaceuticals, A Division of Bausch Health US, LLC $274.17 2019-2024 Xifaxan
Lilly USA, LLC $213.75 2019-2024 Mounjaro, Jardiance, Zepbound
Janssen Pharmaceuticals, INC $180.59 2019-2023 Xarelto
Merck Sharp & Dohme LLC $161.11 2019-2023 Belsomra
Boston Scientific Corporation $141.45 2022-2023
Boehringer Ingelheim Pharmaceuticals, INC. $137.72 2019-2023 Ofev
Show all 48 companies
CompanyGeneral paymentsYearsTop products
Edwards Lifesciences Corporation $130.40 2024-2025
Amarin Pharma, INC. $130.10 2019-2022
Xeris Pharmaceuticals, INC. $122.66 2021-2023 Gvoke Hypopen
Mannkind Corporation $117.01 2020
Sumitomo Pharma America, INC. $103.62 2023-2025 Gemtesa
Glaxosmithkline, LLC. $97.33 2022-2025 Shingrix, Arexvy, Bexsero
Otsuka America Pharmaceutical, INC. $94.93 2023-2025 Rexulti
Bayer Healthcare Pharmaceuticals INC. $83.40 2022-2024
Heartflow, INC. $79.34 2025
Daiichi Sankyo INC. $66.27 2019-2023 Injectafer
Takeda Pharmaceuticals U.S.A., INC. $62.52 2022
Inspire Medical Systems, INC. $62.46 2023-2024 Inspire
Exact Sciences Corporation $58.35 2024-2025 Cologuard Collection Kit
Sanofi-Aventis U.S. LLC $58.02 2019-2021
Medtronic, INC. $43.31 2021-2025 Intellis Adaptivestim, Minimed 780g
Phathom Pharmaceuticals, INC. $34.14 2024 Voquezna
Allergan, INC. $33.11 2019-2020
Arbor Pharmaceuticals, INC. $32.57 2019
Horizon Therapeutics Plc $30.69 2021-2022
Kowa Pharmaceuticals America, INC. $27.52 2019
Gilead Sciences, INC. $27.04 2019-2021
Idorsia Pharmaceuticals US INC $23.90 2022
Inogen, INC. $23.36 2022
Biohaven Pharmaceuticals, INC. $21.66 2021
Nevro Corp. $19.88 2023 Senza
Philips North America LLC $18.67 2024 (Ck7) Extended Holter
Ironwood Pharmaceuticals, INC $17.71 2019
Azurity Pharmaceuticals, INC. $13.85 2025 Horizant
Hikma Pharmaceuticals USA $13.79 2019
Antares Pharma, INC. $13.16 2022
Shire North American Group INC $12.29 2019
Teva Pharmaceuticals USA, INC. $11.33 2021
Daxor Corporation $8.15 2023 Bva-100

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 C Showalter

$8,433.07

in general payments reported 2019-2025

Years
2019-2025
Top company
Abbvie INC.
Context
The $1,162 reported for 2025 was more than what 87% of Internal Medicine providers received nationally (typical 2025 total: $156).

https://glasscript.com/doctor/321893/john-c-showalter

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.