HealthCareAtlasUSA

This site republishes official CMS/Medicare Care Compare data. It is not medical advice and does not recommend any specific hospital or treatment — for medical decisions, talk to a doctor.

Doctors / CA

KATHLEEN MCMAHON, DO

EMERGENCY MEDICINE

Medical school: UNIVERSITY OF NEW ENGLAND, COLLEGE OF OSTEO MEDICINE

Graduated: 2019

Offers telehealth

NPI: 1184287492

Practice Locations (2)

MISSION VIEJO EMERGENCY MEDICAL ASSOCIATES, INC.

4650 LINCOLN BLVD

MARINA DEL REY, CA 902926306

3101185200

NEW YORK UNIVERSITY

111 BROADWAY

NEW YORK, NY 100061901

2122639700

Source: CMS National Downloadable File, September 2026.

KATHLEEN MCMAHON, DO | HealthCareAtlasUSA