IndividualActive
Josephine Mazzaia, LCSW
NPI 1366577637 · Clinical Social Worker · Oak Park, IL
Josephine Mazzaia, LCSW is a Clinical Social Worker provider in Oak Park, IL (NPI 1366577637).
Provider details
- NPI number
- 1366577637
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(84/100 index)
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
128 S Humphrey Ave
Oak Park, IL 60302-2711
Phone: (708) 886-5500
Street-level locationGet directions
Mailing address
128 S Humphrey Ave
Oak Park, IL 60302-2711
Registry dates
- Enumerated
- 2007-02-23
- Last updated
- 2007-07-08
Frequently asked questions
- What is Josephine Mazzaia's NPI number?
- Josephine Mazzaia's National Provider Identifier (NPI) is 1366577637, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Josephine Mazzaia's specialty?
- Josephine Mazzaia is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Josephine Mazzaia located?
- Josephine Mazzaia's practice location on file with NPPES is 128 S Humphrey Ave, Oak Park, IL 60302-2711.
- What is Josephine Mazzaia's phone number?
- The practice phone number listed in the NPPES registry for Josephine Mazzaia is (708) 886-5500.
- Is Josephine Mazzaia's NPI active?
- Yes — Josephine Mazzaia's NPI (1366577637) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.