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 / MT

ERIN KATHLEEN MCMAHON

MENTAL HEALTH COUNSELOR

Graduated: 2019

NPI: 1467009415

Practice Locations (1)

535 SADDLE DR

HELENA, MT 596015634

4065589062

Source: CMS National Downloadable File, September 2026.

ERIN MCMAHON | HealthCareAtlasUSA