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

Mr. Laurence George Leff, CADCII

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1538359807

Mr. Laurence George Leff, CADCII is an Addiction (Substance Use Disorder) Counselor in Saint Helens, Oregon. Registered with an NPI since 2007.

In the registry since
2007

Practice location Address checks out

185 N 4th St
Saint Helens, OR 97051-1535
Phone: (503) 366-4526
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Addiction (Substance Use Disorder) Counselor (primary) Taxonomy 101YA0400X

Record details

NPI number1538359807
Entity typeIndividual (Type 1)
GenderMale
Credentials CADCII
Sole proprietorNo
NPI enumeratedAugust 1, 2007
Last updated in NPPESAugust 1, 2007

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