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

William John Mayer, QMHA

Individual provider Social Worker · NPI 1346388543

William John Mayer, QMHA is a Social Worker in Portland, Oregon. Practices as a sole proprietor. Registered with an NPI since 2007.

In the registry since
2007
Specialties on file
2
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Practice location Address checks out

14600 NW Cornell Rd
Portland, OR 97229-5442
Phone: (503) 645-9581
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Social Worker (primary) Taxonomy 104100000X
Nurse's Aide Taxonomy 376K00000X

Record details

NPI number1346388543
Entity typeIndividual (Type 1)
GenderMale
Credentials QMHA
Sole proprietorYes
NPI enumeratedFebruary 1, 2007
Last updated in NPPESNovember 18, 2011

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