Mental Health Therapist

Mr. William Castillo Jr., LMHC, CDP

1725 Roxbury Avenue Sw, Suite #5, Seattle, Washington, 98106

About Mr. William Castillo Jr.

Mr. William Castillo Jr. is a therapist based in Seattle, Washington who is specialized in Mental Health Counselor. Active license number of Mr. William Castillo Jr. is LH60208827 for Mental Health Counselor in Washington. His current practice location is 1725 Roxbury Avenue Sw, Suite #5, Seattle. Patients can reach him at 206-932-6638. Mr. William Castillo Jr. is LMHC, CDP in Mental Health Counselor and his NPI number (Unique professional ID assigned by NPPES) is 1164864971.

Mr. William Castillo Jr. is a licensed professional who helps individuals, couples, and families manage and overcome emotional, psychological, and behavioral challenges. He 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

Mr. William Castillo Jr. 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 Mr. William Castillo Jr.
Specialization Mental Health Counselor
Credentials LMHC, CDP
Gender Male
Practice Address: 1725 Roxbury Avenue Sw, Suite #5
Seattle, WA - 98106

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 Number1164864971
NPI Enumeration Date: 22 Jul, 2013
NPI Last Update On: 22 Jul, 2013

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 Mr. William Castillo Jr. are as mentioned below.

License NumberSpecializationStateStatus
LH60208827Mental 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.

Mr. William Castillo Jr.
6523 California Avenue Sw,
Seattle, WA - 98136
Phone: 206-919-6844

Book an Appointment with Mr. William Castillo Jr.

To schedule an appointment, contact Mr. William Castillo Jr. at 1725 Roxbury Avenue Sw, Suite #5, Seattle, Washington or call on below stated phone number.

Call to Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Mr. William Castillo Jr.:

William Castillo Jr. is a therapist specializing in Mental Health Counselor. He is a licensed professional who helps individuals, couples, and families manage and overcome emotional, psychological, and behavioral challenges. He 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, William Castillo Jr. is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.

William Castillo Jr. practices at 1725 Roxbury Avenue Sw, Suite #5, Seattle, Washington, 98106.

To schedule an appointment with William Castillo Jr., please contact the office at 206-932-6638.

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