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

Mr. Dennis Jay Eigen, LMHC, LADC

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1770665770

Mr. Dennis Jay Eigen, LMHC, LADC is an Addiction (Substance Use Disorder) Counselor in Gloucester, Massachusetts. Practices as a sole proprietor. Licensed in Massachusetts.

Licensed in
MA
In the registry since
2006
Specialties on file
2
What do these letters mean?
LMHC — Licensed Mental Health Counselor
A licensed mental health counsellor; the title used in Florida, New York and Washington among others.
LADC — Licensed Alcohol and Drug Counselor
A licensed addiction counsellor.

See every abbreviation used in this directory →

Practice location Address checks out

298 Washington St
Gloucester, MA 01930-4832
Phone: (978) 298-4001
Fax: (978) 491-6573
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 · Licence 858 (MA)
Mental Health Counselor Taxonomy 101YM0800X · Licence 408 (MA)

Record details

NPI number1770665770
Entity typeIndividual (Type 1)
GenderMale
Credentials LMHC , LADC
Sole proprietorYes
NPI enumeratedOctober 19, 2006
Last updated in NPPESSeptember 11, 2025

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