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

Keith Adam Marks, MA

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1801123336

Keith Adam Marks, MA is an Addiction (Substance Use Disorder) Counselor in Boston, Massachusetts. Registered with an NPI since 2009.

In the registry since
2009
What do these letters mean?
MA — Master of Arts
A graduate arts degree.

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Practice location Address checks out

66 Canal St
Boston, MA 02114-2002
Phone: (617) 371-3030
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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 number1801123336
Entity typeIndividual (Type 1)
GenderMale
Credentials MA
Sole proprietorNo
NPI enumeratedNovember 4, 2009
Last updated in NPPESNovember 4, 2009

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