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

William Alldredge, MS

Individual provider Mental Health Counselor · NPI 1922146745

William Alldredge, MS is a Mental Health Counselor in Portland, Oregon. Practices as a sole proprietor. Registered with an NPI since 2007.

In the registry since
2007
Specialties on file
3
What do these letters mean?
MS — Master of Science
A graduate science degree.

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Practice location Address checks out

2375 NW Glisan St
Portland, OR 97210-3420
Phone: (503) 243-2236
Fax: (503) 243-2439
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Case Manager/Care Coordinator (primary) Taxonomy 171M00000X
Mental Health Counselor Taxonomy 101YM0800X
Adult Companion Taxonomy 372600000X

Record details

NPI number1922146745
Entity typeIndividual (Type 1)
GenderMale
Credentials MS
Sole proprietorYes
NPI enumeratedFebruary 2, 2007
Last updated in NPPESSeptember 11, 2025
Mailing address5383 Sw Humphrey Blvd, Portland, OR 97221-2316

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