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

Michael Patrick Harrigan, MS

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1669654661

Michael Patrick Harrigan, MS is an Addiction (Substance Use Disorder) Counselor in Holyoke, Massachusetts. Practices as a sole proprietor. Registered with an NPI since 2007.

In the registry since
2007
What do these letters mean?
MS — Master of Science
A graduate science degree.

See every abbreviation used in this directory →

Practice location Address checks out

1233 Main St
Holyoke, MA 01040-5381
Phone: (413) 539-2587
Fax: (413) 539-2436
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 number1669654661
Entity typeIndividual (Type 1)
GenderMale
Credentials MS
Sole proprietorYes
NPI enumeratedNovember 30, 2007
Last updated in NPPESNovember 30, 2007
Mailing address1233 Main St, Holyoke, MA 01040-5381

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