Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Mr. William Castillo Jr., LMHC, CDP

Individual provider Mental Health Counselor · NPI 1164864971

Mr. William Castillo Jr., LMHC, CDP is a Mental Health Counselor in Seattle, Washington. Practices as a sole proprietor. Licensed in Washington.

Licensed in
WA
In the registry since
2013
What do these letters mean?
LMHC — Licensed Mental Health Counselor
A licensed mental health counsellor; the title used in Florida, New York and Washington among others.

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Practice location Address checks out

1725 Roxbury Ave SW Ste #5
Seattle, WA 98106
Phone: (206) 932-6638
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X · Licence LH60208827 (WA)

Record details

NPI number1164864971
Entity typeIndividual (Type 1)
GenderMale
Credentials LMHC , CDP
Sole proprietorYes
NPI enumeratedJuly 22, 2013
Last updated in NPPESJuly 22, 2013

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