KEITH ADAM MARKS MA
NPI 1801123336
Counselor - Addiction (Substance Use Disorder) in Boston, MA

Active since November 04, 2009

NPPES record last updated: November 4, 2009. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Keith Adam Marks Ma NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

KEITH ADAM MARKS MA (NPI 1801123336) is an individual addiction (substance use disorder) provider in Boston, Massachusetts and active in the NPI registry since November 2009.

NPPES Registry Identity

NPI1801123336
Entity TypeIndividualMale
Primary Taxonomy101YA0400X
Provider Legal NameKEITH ADAM MARKSCredential: MA
Location Address66 CANAL STBoston, MA 02114-2002
Mailing Address66 Canal StBoston, MA 02114-2002 · (617) 371-3030
Sole ProprietorNo
Enumeration DateNovember 4, 2009
NPI 1801123336 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyCounselor · Addiction (Substance Use Disorder)Behavioral Health & Social Service Providers
Taxonomy Code101YA0400X
66 CANAL ST, Boston, MA 02114

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Counselor (Addiction (Substance Use Disorder))
66 CANAL ST
BOSTON, MA 02114
Speech-Language Pathologist
66 CANAL ST
BOSTON, MA 02114
Counselor (Mental Health)
66 CANAL ST
BOSTON, MA 02114
Case Manager/Care Coordinator
66 CANAL ST
BOSTON, MA 02114
Social Worker (Clinical)
66 CANAL ST, 4TH FLR
BOSTON, MA 02114
Counselor
66 CANAL ST
BOSTON, MA 02114
Social Worker (Clinical)
66 CANAL ST
BOSTON, MA 02114
Case Manager/Care Coordinator
66 CANAL ST
BOSTON, MA 02114

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Keith Marks's NPI number?

The NPI number for Keith Marks is 1801123336. It was assigned to this individual provider in the NPPES registry on November 4, 2009.

Where is Keith Marks located?

Keith Marks practices at 66 Canal St, Boston, MA 02114. The listed phone number is (617) 371-3030.

What is Keith Marks's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

When was this NPI record last updated?

The NPPES record for Keith Marks was last updated on November 4, 2009. NPI Profile syncs with the weekly NPPES data releases published by CMS.