John Mazurek, MSW
NPI 1194717553 · Clinical Social Worker · Arlington Heights, IL
John Mazurek, MSW is a Clinical Social Worker provider in Arlington Heights, IL (NPI 1194717553).
Provider details
- NPI number
- 1194717553
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- MSW
- Sex
- Male
- Sole proprietor
- Yes
- License
- 149002459 (IL)
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
20 yrs in NPPES registry
- Profile completeness38% of score
100% 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
- 2005-08-21
- Last updated
- 2010-06-23
Frequently asked questions
- What is John Mazurek's NPI number?
- John Mazurek's National Provider Identifier (NPI) is 1194717553, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Mazurek's specialty?
- John Mazurek is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is John Mazurek located?
- John Mazurek's practice location on file with NPPES is 637 E Golf Rd, Arlington Heights, IL 60005-4967.
- What is John Mazurek's phone number?
- The practice phone number listed in the NPPES registry for John Mazurek is (847) 357-9611.
- Is John Mazurek's NPI active?
- Yes — John Mazurek's NPI (1194717553) is active in the NPPES registry as of the last update on 2010-06-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.