Ms. Cecilia Cassidy Lenahan
LCPC, LAC | Professional Counselor
510 1st Ave N, Great Falls
Montana, 59401-2592
406-454-6973 406-791-9277
Maps & DirectionsMs. Cecilia Cassidy Lenahan is a Great Falls, Montana based counselor who is specialized as Professional Counselor. Active license number of Ms. Cecilia Cassidy Lenahan is BBH-LAC-LIC-4258 for Addiction (Substance Use Disorder) Counselor in Montana. Her current practice location is 510 1st Ave N, Great Falls. Patients can book an appointment with her at 406-454-6973.
Ms. Cecilia Cassidy Lenahan 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.
Complete Profile:
Ms. Cecilia Cassidy Lenahan 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: | Ms. Cecilia Cassidy Lenahan |
| Specialization: | Professional Counselor |
| Gender: | Female |
| Credentials: | LCPC, LAC |
| Accepts Medicare Assignment: | No |
| Practice Address: | 510 1st Ave N, Great Falls,
Montana, 59401-2592 |
| Phone: | 406-454-6973 |
| Fax: | 406-791-9277 |
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: | 1659767580 |
| NPI Enumeration Date: | 07 Apr, 2015 |
| NPI Last Update On: | 13 Apr, 2026 |
Medical Licenses:
Doctors can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Ms. Cecilia Cassidy Lenahan are as mentioned below.
| License Number | Specialization | State | Status | |
| BBH-LAC-LIC-4258 | Addiction (Substance Use Disorder) Counselor | Montana | Primary | |
| BBH-LCPC-LIC-81696 | Professional Counselor | Montana | Secondary | |
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
| Address: | 601 1st Ave N,
Great Falls, Montana |
| Zip: | 59401-2510 |
| Phone Number: | 406-454-6973 |
| Fax Number: | 406-791-9277 |
Patients can reach Ms. Cecilia Cassidy Lenahan at
510 1st Ave N, Great Falls, Montana or can
call to book an appointment on 406-454-6973.
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Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 13 July, 2026.