Mateusz Marcinowski, LMHC
NPI 1346532744 · Mental Health Counselor · Westfield, MA
Enrolled with Medicare as Practitioner - Mental Health Counselor · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mateusz Marcinowski, LMHC is a Mental Health Counselor provider in Westfield, MA (NPI 1346532744).
Provider details
- NPI number
- 1346532744
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- LMHC
- Sex
- Male
- Sole proprietor
- No
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
15 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
- 2011-05-04
- Last updated
- 2025-07-04
- Certified
- 2025-07-04
Frequently asked questions
- What is Mateusz Marcinowski's NPI number?
- Mateusz Marcinowski's National Provider Identifier (NPI) is 1346532744, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mateusz Marcinowski's specialty?
- Mateusz Marcinowski is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Mateusz Marcinowski located?
- Mateusz Marcinowski's practice location on file with NPPES is 28 Main St Unit 2, Westfield, MA 01085-3121.
- What is Mateusz Marcinowski's phone number?
- The practice phone number listed in the NPPES registry for Mateusz Marcinowski is (413) 853-9104.
- Does Mateusz Marcinowski accept Medicare?
- Mateusz Marcinowski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mateusz Marcinowski's NPI active?
- Yes — Mateusz Marcinowski's NPI (1346532744) is active in the NPPES registry as of the last update on 2025-07-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.