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

Mr. Warren N Leemgraven, BS, CACI

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1861575193

Mr. Warren N Leemgraven, BS, CACI is an Addiction (Substance Use Disorder) Counselor in Allendale, Michigan. Registered with an NPI since 2006.

In the registry since
2006
What do these letters mean?
BS — Bachelor of Science
An undergraduate science degree.

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Practice location Address checks out

6866 Joal St
Allendale, MI 49401-8718
Phone: (616) 895-5486
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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 number1861575193
Entity typeIndividual (Type 1)
GenderMale
Credentials BS , CACI
Sole proprietorNo
NPI enumeratedOctober 23, 2006
Last updated in NPPESMay 19, 2011