Addiction Therapist

Mary Marsh, LCPC, LAC

712 13th St S, Great Falls, Montana, 59405-2344

About Mary Marsh

Mary Marsh is a therapist based in Great Falls, Montana who is specialized in Addiction (Substance Use Disorder) Counselor. Active license number of Mary Marsh is 69983 for Professional Counselor in Montana. Her current practice location is 712 13th St S, Great Falls. Patients can reach her at 406-788-1164. Mary Marsh is LCPC, LAC in Addiction (Substance Use Disorder) Counselor and her NPI number (Unique professional ID assigned by NPPES) is 1417371915.

Mary Marsh 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.

Practice Information

Mary Marsh speciality, credentials, practice address, contact phone number and fax are as below. Patients can call on the below given phone number for appointment.

Provider Name Mary Marsh
Specialization Addiction (Substance Use Disorder) Counselor
Credentials LCPC, LAC
Gender Female
Practice Address: 712 13th St S,
Great Falls, MT - 59405-2344

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 Number1417371915
NPI Enumeration Date: 05 Feb, 2014
NPI Last Update On: 21 Mar, 2025

Medical Licenses:

Healthcare professionals can hold one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Mary Marsh are as mentioned below.

License NumberSpecializationStateStatus
69983Professional Counselor MontanaPrimary
1368Addiction (Substance Use Disorder) Counselor MontanaSecondary

Mailing Address

Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned Practice address.

Mary Marsh
Po Box 142,
Great Falls, MT - 59403-0142
Phone: 406-788-1164

Book an Appointment with Mary Marsh

To schedule an appointment, contact Mary Marsh at 712 13th St S, Great Falls, Montana or call on below stated phone number.

Call to Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Mary Marsh:

Mary Marsh is a therapist specializing in Professional Counselor. She is a licensed mental health practitioner trained to help individuals, couples, and groups address emotional, psychological, and behavioral challenges. She uses talk therapy and evidence-based counseling methods to support clients in managing mental health conditions, improving relationships, and developing coping strategies for life’s difficulties.

Yes, Mary Marsh is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.

Mary Marsh practices at 712 13th St S, Great Falls, Montana, 59405-2344.

To schedule an appointment with Mary Marsh, please contact the office at 406-788-1164.

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**Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 14 September, 2026.