Katarzyna Zak, LCSW, CADC
NPI 1679157945 · Clinical Social Worker · Chicago, IL
Katarzyna Zak, LCSW, CADC is a Clinical Social Worker provider in Chicago, IL (NPI 1679157945).
Provider details
- NPI number
- 1679157945
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW, CADC
- Sex
- Female
- Sole proprietor
- No
- License
- 33927 (IL)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
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
- 2021-05-11
- Last updated
- 2023-10-04
- Certified
- 2023-10-04
Frequently asked questions
- What is Katarzyna Zak's NPI number?
- Katarzyna Zak's National Provider Identifier (NPI) is 1679157945, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katarzyna Zak's specialty?
- Katarzyna Zak is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Katarzyna Zak located?
- Katarzyna Zak's practice location on file with NPPES is 155 N Michigan Ave # 308, Chicago, IL 60601-7511.
- What is Katarzyna Zak's phone number?
- The practice phone number listed in the NPPES registry for Katarzyna Zak is (773) 340-2616.
- Is Katarzyna Zak's NPI active?
- Yes — Katarzyna Zak's NPI (1679157945) is active in the NPPES registry as of the last update on 2023-10-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.