Michael Matuszak
NPI 1104417278 · Addiction (Substance Use Disorder) Counselor · Simi Valley, CA
Michael Matuszak is a Addiction (Substance Use Disorder) Counselor provider in Simi Valley, CA (NPI 1104417278).
Provider details
- NPI number
- 1104417278
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- 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
5 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
- 2021-02-01
- Last updated
- 2021-02-01
- Certified
- 2021-02-01
Frequently asked questions
- What is Michael Matuszak's NPI number?
- Michael Matuszak's National Provider Identifier (NPI) is 1104417278, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Matuszak's specialty?
- Michael Matuszak is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Michael Matuszak located?
- Michael Matuszak's practice location on file with NPPES is 660 E. Los Angeles Ave. #b2, Simi Valley, CA 93065.
- What is Michael Matuszak's phone number?
- The practice phone number listed in the NPPES registry for Michael Matuszak is (805) 522-1844.
- Is Michael Matuszak's NPI active?
- Yes — Michael Matuszak's NPI (1104417278) is active in the NPPES registry as of the last update on 2021-02-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.