Michael Harrigan, M.S.
NPI 1669654661 · Addiction (Substance Use Disorder) Counselor · Holyoke, MA
Michael Harrigan, M.S. is a Addiction (Substance Use Disorder) Counselor provider in Holyoke, MA (NPI 1669654661).
Provider details
- NPI number
- 1669654661
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- M.S.
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-11-30
- Last updated
- 2007-11-30
Frequently asked questions
- What is Michael Harrigan's NPI number?
- Michael Harrigan's National Provider Identifier (NPI) is 1669654661, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Harrigan's specialty?
- Michael Harrigan is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Michael Harrigan located?
- Michael Harrigan's practice location on file with NPPES is 1233 Main St, Holyoke, MA 01040-5381.
- What is Michael Harrigan's phone number?
- The practice phone number listed in the NPPES registry for Michael Harrigan is (413) 539-2587.
- Is Michael Harrigan's NPI active?
- Yes — Michael Harrigan's NPI (1669654661) is active in the NPPES registry as of the last update on 2007-11-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.