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

Eugene Dennis Isaak

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1619419462

Eugene Dennis Isaak is an Addiction (Substance Use Disorder) Counselor in Springfield, Massachusetts. Practices as a sole proprietor. Registered with an NPI since 2016.

In the registry since
2016

Practice location Address checks out

1607 Main St Apt A 323
Springfield, MA 01103-1234
Phone: (508) 361-1847
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

Record details

NPI number1619419462
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedNovember 10, 2016
Last updated in NPPESNovember 10, 2016

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