Physician profile

James A Killeffer

Neurological Surgery · Knoxville, TN

NPI 1851333728

$164,913.55

in general payments reported to CMS, 2019-2025

19 companies · $69.88 in 2025

The $69.88 reported for 2025 was less than what a typical Neurological Surgery provider received nationally (typical 2025 total: $604).

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$695.09
Education$20.00

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
Arkis Biosciences INC $162,551.15 2019
Sanara Medtech INC. $941.94 2020-2024 Celleraterx
Stryker Corporation $357.33 2021-2023 Everest Spinal System, Ozark Cervical Plate System, Capri Corpectomy Cage System
Zimvie INC. $206.96 2022-2024
Zimmer Biomet Holdings, INC. $177.21 2019-2022
Spineology INC. $118.25 2022
Medtronic USA, INC. $95.34 2019
Integra Lifesciences Corporation $82.77 2019-2025 Cusa Clarity, Codman Hakim, Codman Certas
Csl Behring $52.65 2019-2024 Kcentra
Medtronic, INC. $48.55 2023-2024 Mazor X System, Catalyft Pl Expandable Interbody System
Spine Wave, INC. $44.66 2021
Highridge Medical LLC $41.80 2024 Trelloss-C Sa
Innovation Technologies INC $41.74 2021
Misonix INC $35.85 2019-2020
Wound Management Technologies, INC $31.91 2019
Show all 19 companies
CompanyGeneral paymentsYearsTop products
Aesculap, INC. $26.26 2024 Aesculap
Arbor Pharmaceuticals, INC. $22.03 2021
Ethicon US, LLC $21.41 2023 Vistaseal
Abbvie INC. $15.74 2024

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.

Research and ownership

$2,192,376.68 in ownership or investment interests, as reported to CMS. These are holdings a clinician or an immediate family member has in a company, not payments received.

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Payment summary

James A Killeffer

$164,913.55

in general payments reported 2019-2025

Years
2019-2025
Top company
Arkis Biosciences INC
Context
The $69.88 reported for 2025 was less than what a typical Neurological Surgery provider received nationally (typical 2025 total: $604).

https://glasscript.com/doctor/129055/james-a-killeffer

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.