HealthCareAtlasUSA

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Doctors / MO

EILEEN O'HALLORAN, MD

GENERAL SURGERY

Medical school: LOYOLA UNIVERSITY OF CHICAGO, STRITCH SCHOOL OF MEDICINE

Graduated: 2011

Offers telehealth

NPI: 1447549571

Practice Locations (4)

MERCY CLINIC SURGICAL SPECIALISTS LLC

10050 KENNERLY RD, SUITE 25200

SAINT LOUIS, MO 631282106

3145254440

MERCY CLINIC SURGICAL SPECIALISTS LLC

607 S NEW BALLAS RD, 3100 MERCY CLINIC SURGICAL ONCOLOGY DAV

SAINT LOUIS, MO 631418219

3142511340

MERCY CLINIC SURGICAL SPECIALISTS LLC

621 S NEW BALLAS RD, SUITE 3005B

SAINT LOUIS, MO 631418266

3145675850

MERCY CLINIC SURGICAL SPECIALISTS LLC

851 E 5TH ST, SUITE 108

WASHINGTON, MO 630903128

6368617870

Source: CMS National Downloadable File, September 2026.

EILEEN O'HALLORAN, MD | HealthCareAtlasUSA