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

Michael Douglas Grubb

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1629301221

Michael Douglas Grubb is an Addiction (Substance Use Disorder) Counselor in Oakland, California. Registered with an NPI since 2009.

In the registry since
2009
Specialties on file
3

Practice location Address checks out

390 40th St
Oakland, CA 94609-2633
Phone: (510) 653-5040
Fax: (510) 653-6475
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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
Mental Health Counselor Taxonomy 101YM0800X
Case Manager/Care Coordinator Taxonomy 171M00000X

Record details

NPI number1629301221
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedSeptember 14, 2009
Last updated in NPPESOctober 3, 2014

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