Surgeon profile

Jonathan Chang, M.D.

Ophthalmology · Middleton, WI 53562NPI 1346403961

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

Contactverified live in NPPES · Jul 8, 2026

Active NPI2349 DEMING WAY, MIDDLETON, WI 53562☎ 608-824-3937

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Operates atCMS affiliations, refreshed monthly

UNIVERSITY OF WI HOSPITALS & CLINICS AUTHORITY · MADISON, WI

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Tracked procedure volumes

Latest federal claims release with year-over-year momentum. Eight device-heavy specialties tracked — more coming.

603 Medicare cases/yr

170 patients

2 procedures

Procedure	Cases	Trend	Patients
Intravitreal Injection (Anti-VEGF) CPT 67028	589	▼ -12%	158
Retinal Detachment Repair — Vitrectomy CPT 67108	14	▲ +8%	12

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

$147 total received, 2025

1 payments

1 manufacturer relationship on file

See exactly which companies pay this surgeon — and how much — with a paid plan.

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…