Addiction Therapist

Abbigail Mellum, B.S, LAC

208 N Broadway, Billings, Montana, 59101-3988

About Abbigail Mellum

Abbigail Mellum is a therapist based in Billings, Montana who is specialized in Addiction (Substance Use Disorder) Counselor. Active license number of Abbigail Mellum is BBH-LAC-LIC-16223 for Addiction (Substance Use Disorder) Counselor in Montana. Her current practice location is 208 N Broadway, Billings. Patients can reach her at 406-794-2003. Abbigail Mellum is B.S, LAC in Addiction (Substance Use Disorder) Counselor and her NPI number (Unique professional ID assigned by NPPES) is 1780042804.

Abbigail Mellum 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

Abbigail Mellum 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 Abbigail Mellum
Specialization Addiction (Substance Use Disorder) Counselor
Credentials B.S, LAC
Gender Female
Practice Address: 208 N Broadway,
Billings, MT - 59101-3988

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 Number1780042804
NPI Enumeration Date: 03 Feb, 2016
NPI Last Update On: 22 Apr, 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 Abbigail Mellum are as mentioned below.

License NumberSpecializationStateStatus
BBH-LAC-LIC-16223Addiction (Substance Use Disorder) Counselor MontanaPrimary

Mailing Address

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

Abbigail Mellum
Po Box 82,
Park City, MT - 59063-0082
Phone: 406-794-2003

Book an Appointment with Abbigail Mellum

To schedule an appointment, contact Abbigail Mellum at 208 N Broadway, Billings, Montana or call on below stated phone number.

Call to Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Abbigail Mellum:

Abbigail Mellum is a therapist specializing in Addiction (Substance Use Disorder) Counselor. She 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.

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

Abbigail Mellum practices at 208 N Broadway, Billings, Montana, 59101-3988.

To schedule an appointment with Abbigail Mellum, please contact the office at 406-794-2003.

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