Erin Kathleen Mcmahon

LCPC, LAC | Addiction (Substance Use Disorder) Counselor


  535 Saddle Dr, Helena
     Montana, 59601-5634
  406-558-9062    406-449-8828 Maps & Directions
Erin Kathleen Mcmahon is a Helena, Montana based counselor who is specialized as Addiction (Substance Use Disorder) Counselor. Active license number of Erin Kathleen Mcmahon is LCPC-LIC-52379 for Professional Counselor in Montana. Her current practice location is 535 Saddle Dr, Helena. Patients can book an appointment with her at 406-558-9062.
Erin Kathleen Mcmahon is a licensed mental health therapist who help individuals struggling with addiction of alcohol, drug, or other substance use disorder. She helps her clients by manage and overcome the psychological, emotional, and behavioral challenges related to substance use. Counselors also work closely with families and support systems to help them better understand their loved one’s illness. SUD counselors help to promote long-term sobriety, emotional stability, and overall mental wellness for both the individual and their family.
Complete Profile:
Erin Kathleen Mcmahon speciality, credentials, practice address, contact phone number and fax are as below. Patients can directly walk in or can call on the below given phone number for appointment.
Name: Erin Kathleen Mcmahon
Specialization: Addiction (Substance Use Disorder) Counselor
Gender:Female
Credentials: LCPC, LAC
Accepts Medicare Assignment:No
Practice Address:535 Saddle Dr, Helena,
Montana, 59601-5634
Phone:406-558-9062
Fax:406-449-8828
Professional Identification Codes:
NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS). NPI details are as mentioned below.
NPI Number: 1467009415
NPI Enumeration Date: 23 Aug, 2019
NPI Last Update On: 30 Mar, 2022

Medical Licenses:
Doctors can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Erin Kathleen Mcmahon are as mentioned below.
License NumberSpecializationStateStatus
LCPC-LIC-52379Professional Counselor MontanaPrimary
BBH-LAC-LIC-38099Addiction (Substance Use Disorder) Counselor MontanaSecondary
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
Address: 410 S Fee St,
Helena, Montana
Zip: 59601-5504
Phone Number: 406-558-9062
Fax Number: 406-449-8828
Patients can reach Erin Kathleen Mcmahon at 535 Saddle Dr, Helena, Montana or can call to book an appointment on 406-558-9062.
*Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 09 June, 2025.

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