Surgeon profile

Alexi Zemsky, MD

Clinical Cardiac Electrophysiology · Portland, OR 97213NPI 1598944928

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

Contactverified live in NPPES · Jul 7, 2026

Active NPI4400 NE HALSEY ST STE 102, PORTLAND, OR 97213☎ 503-962-1000

Checking live NPPES registry…

Operates atCMS affiliations, refreshed monthly

PROVIDENCE ST VINCENT MEDICAL CENTER · PORTLAND, ORPROVIDENCE PORTLAND MEDICAL CENTER · PORTLAND, ORPROVIDENCE HOOD RIVER MEMORIAL HOSPITAL · HOOD RIVER, ORPROVIDENCE WILLAMETTE FALLS MEDICAL CENTER · OREGON CITY, ORPROVIDENCE MILWAUKIE HOSPITAL · MILWAUKIE, OR

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Tracked procedure volumes

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

69 Medicare cases/yr

69 patients

3 procedures

Procedure	Cases	Trend	Patients
Pacemaker — Dual Chamber CPT 33208	29	≈ flat	29
AFib Ablation CPT 93656	21	new	21
SVT Ablation CPT 93653	19	▲ +27%	19

Industry relationships

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

$787 total received, 2025

24 payments

6 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…