IndividualActive
William Harrigan
NPI 1659252732 · Mental Health Counselor · Waltham, MA
William Harrigan is a Mental Health Counselor provider in Waltham, MA (NPI 1659252732).
Provider details
- NPI number
- 1659252732
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Basic profile(47/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in 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
675 Main St
Waltham, MA 02451-0602
Phone: (508) 416-7872
Street-level locationGet directions
Mailing address
10 Butler Ave
Maynard, MA 01754-1404
Registry dates
- Enumerated
- 2025-09-08
- Last updated
- 2025-09-08
- Certified
- 2025-09-08
Frequently asked questions
- What is William Harrigan's NPI number?
- William Harrigan's National Provider Identifier (NPI) is 1659252732, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Harrigan's specialty?
- William Harrigan is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is William Harrigan located?
- William Harrigan's practice location on file with NPPES is 675 Main St, Waltham, MA 02451-0602.
- What is William Harrigan's phone number?
- The practice phone number listed in the NPPES registry for William Harrigan is (508) 416-7872.
- Is William Harrigan's NPI active?
- Yes — William Harrigan's NPI (1659252732) is active in the NPPES registry as of the last update on 2025-09-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.