HealthCareAtlasUSA

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Doctors / MO

MICHAEL J ZEREGA, MD

GASTROENTEROLOGY

Medical school: WASHINGTON UNIVERSITY SCHOOL OF MEDICINE

Graduated: 1997

NPI: 1073505178

Practice Locations (3)

MERCY CLINIC GASTROENTEROLOGY LLC

200 BREVCO PLZ, SUITE 208

LAKE ST LOUIS, MO 633672950

6365619020

MERCY CLINIC GASTROENTEROLOGY LLC

615 S NEW BALLAS RD

SAINT LOUIS, MO 631418221

3142512880

MERCY CLINIC GASTROENTEROLOGY LLC

901 PATIENTS 1ST DR, SUITE 3300

WASHINGTON, MO 630904700

6362397344

Source: CMS National Downloadable File, September 2026.

MICHAEL ZEREGA, MD | HealthCareAtlasUSA