Karen Malczewski, LCSW
NPI 1952433179 · Clinical Social Worker · Arlington Heights, IL
Karen Malczewski, LCSW is a Clinical Social Worker provider in Arlington Heights, IL (NPI 1952433179).
Provider details
- NPI number
- 1952433179
- 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
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
- 2007-03-12
- Last updated
- 2007-07-08
Frequently asked questions
- What is Karen Malczewski's NPI number?
- Karen Malczewski's National Provider Identifier (NPI) is 1952433179, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Malczewski's specialty?
- Karen Malczewski is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Karen Malczewski located?
- Karen Malczewski's practice location on file with NPPES is 120 W Eastman St, Arlington Heights, IL 60004-5937.
- What is Karen Malczewski's phone number?
- The practice phone number listed in the NPPES registry for Karen Malczewski is (630) 415-2088.
- Is Karen Malczewski's NPI active?
- Yes — Karen Malczewski's NPI (1952433179) 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.