Mental Health Therapist

Colleen Illsley, LMHC

221 Avenue B, Snohomish, Washington, 98290-2840

About Colleen Illsley

Colleen Illsley is a therapist based in Snohomish, Washington who is specialized in Mental Health Counselor. Active license number of Colleen Illsley is LH00008189 for Mental Health Counselor in Washington. Her current practice location is 221 Avenue B, Snohomish. Patients can reach her at 425-349-7244. Colleen Illsley, LMHC, specializes in Mental Health Counselor and her NPI number (Unique professional ID assigned by NPPES) is 1902252430.

Colleen Illsley is a licensed professional who helps individuals, couples, and families manage and overcome emotional, psychological, and behavioral challenges. She assess clients’ mental health conditions and develop personalized treatment plans to provide therapy for a range of mental health issues, including anxiety, depression, trauma, relationship issues, stress, grief, and life transitions.

Practice Information

Colleen Illsley specialty, credentials, practice address, contact phone number and fax are as below. Patients can contact the office at the given phone number for appointment.

Provider Name Colleen Illsley
Specialization Mental Health Counselor
Credentials LMHC
Gender Female
Practice Address: 221 Avenue B,
Snohomish, WA - 98290-2840

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 Number1902252430
NPI Enumeration Date: 13 May, 2016
NPI Last Update On: 13 May, 2016

Medical Licenses:

Healthcare professionals can hold one or more medical licenses for different specialties in the same state or different states. Related medical licenses for Colleen Illsley are as mentioned below.

License NumberSpecializationStateStatus
LH00008189Mental Health Counselor WashingtonPrimary

Mailing Address

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

Colleen Illsley
221 Avenue B,
Snohomish, WA - 98290-2840
Phone: 425-349-7244

Book an Appointment with Colleen Illsley

To schedule an appointment, contact Colleen Illsley at 221 Avenue B, Snohomish, Washington or call on below stated phone number.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Colleen Illsley:

Colleen Illsley is a therapist specializing in Mental Health Counselor. She is a licensed professional who helps individuals, couples, and families manage and overcome emotional, psychological, and behavioral challenges. She assess clients’ mental health conditions and develop personalized treatment plans to provide therapy for a range of mental health issues, including anxiety, depression, trauma, relationship issues, stress, grief, and life transitions.

Yes, Colleen Illsley is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.
*Availability may change. Please contact the office directly to ask about appointments.

Colleen Illsley practices at 221 Avenue B, Snohomish, Washington, 98290-2840.

To schedule an appointment with Colleen Illsley, please contact the office at 425-349-7244.

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