Surgeon profile

William Kemp, MD

Neurosurgery · Madison, WI 53703NPI 1306251947

Database refreshed July 2026Live NPPES registry· Industry payments CY2025ⓘ sources

Contactverified live in NPPES · Jul 6, 2026

Active NPI309 W JOHNSON ST, MADISON, WI 53703☎ 248-935-8472

Checking live NPPES registry…

Operates atCMS affiliations, refreshed monthly

CJW MEDICAL CENTER · RICHMOND, VARESTON HOSPITAL CENTER · RESTON, VAWINCHESTER MEDICAL CENTER · WINCHESTER, VAVIRGINIA HOSPITAL CENTER · ARLINGTON, VAHENRICO DOCTORS' HOSPITAL · RICHMOND, VA

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Tracked procedure volumes

Latest federal claims release with year-over-year momentum. Orthopedics & cardiology tracked — more specialties coming.

56 Medicare cases/yr

53 patients

2 procedures

Procedure	Cases	Trend	Patients
Lumbar Laminectomy CPT 63047	30	≈ flat	29
Lumbar Fusion — Posterior CPT 22612	26	▲ +13%	24

Industry relationships

CMS Open Payments, CY2025 general payments (published June 2026) — who already pays this surgeon.

$1,548 total received, 2025

10 payments

4 manufacturer relationships on file

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Relationship trajectory, 2019–2025

7-year payment trajectory (who's warming up, who's cooling off on this surgeon) is a paid feature. Unlock

Pulling CY2025 industry payments + 7-year history…