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

William Leissner, PSS

Individual provider Peer Specialist · NPI 1205287026

William Leissner, PSS is a Peer Specialist in Portland, Oregon. Licensed in Oregon. Registered with an NPI since 2016.

Licensed in
OR
In the registry since
2016
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Practice location Address checks out

30 NE Mlk
Portland, OR 97232-2941
Phone: (503) 232-1099
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Peer Specialist (primary) Taxonomy 175T00000X (OR)

Record details

NPI number1205287026
Entity typeIndividual (Type 1)
GenderMale
Credentials PSS
Sole proprietorNo
NPI enumeratedJune 22, 2016
Last updated in NPPESMay 22, 2020
Certification dateMay 22, 2020

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