Leslie Matilainen, LMHC
NPI 1720195118 · Mental Health Counselor · Leominster, MA
Leslie Matilainen, LMHC is a Mental Health Counselor provider in Leominster, MA (NPI 1720195118).
Provider details
- NPI number
- 1720195118
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- LMHC
- Sex
- Female
- 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
19 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
- 2006-08-23
- Last updated
- 2013-01-04
Frequently asked questions
- What is Leslie Matilainen's NPI number?
- Leslie Matilainen's National Provider Identifier (NPI) is 1720195118, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leslie Matilainen's specialty?
- Leslie Matilainen is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Leslie Matilainen located?
- Leslie Matilainen's practice location on file with NPPES is 100 Erdman Way, Leominster, MA 01453-1804.
- What is Leslie Matilainen's phone number?
- The practice phone number listed in the NPPES registry for Leslie Matilainen is (978) 466-3825.
- Is Leslie Matilainen's NPI active?
- Yes — Leslie Matilainen's NPI (1720195118) is active in the NPPES registry as of the last update on 2013-01-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.