Physician profile

Spencer Hammack

Foot & Ankle Surgery · Platteville, WI

NPI 1588281448

$20,119.95

in general payments reported to CMS, 2019-2025

22 companies · $1,990 in 2025

The $1,990 reported for 2025 was more than what 83% of Foot & Ankle Surgery providers received nationally (typical 2025 total: $424).

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$5,063.74
Travel and Lodging$2,792.53

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
Stryker Corporation $13,031.43 2021-2025 Inbone, Infinity, Invision
Alpha Orthopedic Systems $4,240.21 2020-2022
Integra Lifesciences Corporation $740.73 2020-2023 Integra, Integra Dermal Regeneration Template, Primatrix
Smith+Nephew, INC. $495.74 2021-2024 Stravix, Grafix Pl, Grafix
Treace Medical Concepts, INC. $401.40 2025
Depuy Synthes Sales INC. $192.05 2021-2023 Healix Knotless Peek
Sanara Medtech INC. $169.00 2023 Celleraterx
Organogenesis INC. $124.74 2022
Kerecis Limited $121.07 2022-2025 Kerecis Surgiclose, Kerecis Graftguide
Acera Surgical, INC. $117.32 2021
Medline Industries LP $115.52 2024
Paratek Pharmaceuticals, INC. $77.64 2023 Nuzyra
Bsn Medical INC $47.11 2022
Vericel Corporation $47.08 2024 Maci
Paragon 28, INC. $39.94 2022
Show all 22 companies
CompanyGeneral paymentsYearsTop products
Bone Support INC. $30.81 2022
Osteomed LLC $30.17 2021
Pacira Pharmaceuticals Incorporated $24.81 2024 Iovera
Innovation Technologies INC $22.01 2024 Irrisept
Averitas Pharma INC. $21.44 2023 Qutenza
Acumed LLC $17.87 2021
Sebela Pharmaceuticals INC. $11.86 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

Spencer Hammack

$20,119.95

in general payments reported 2019-2025

Years
2020-2025
Top company
Stryker Corporation
Context
The $1,990 reported for 2025 was more than what 83% of Foot & Ankle Surgery providers received nationally (typical 2025 total: $424).

https://glasscript.com/doctor/8170696/spencer-hammack

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.