Leah Mackus, LLMSW
NPI 1386918910 · Clinical Social Worker · Chicago, IL
Leah Mackus, LLMSW is a Clinical Social Worker provider in Chicago, IL (NPI 1386918910).
Provider details
- NPI number
- 1386918910
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LLMSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- L2547191 (MI)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
14 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
- 2012-02-29
- Last updated
- 2021-09-01
- Certified
- 2021-09-01
Frequently asked questions
- What is Leah Mackus's NPI number?
- Leah Mackus's National Provider Identifier (NPI) is 1386918910, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leah Mackus's specialty?
- Leah Mackus is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Leah Mackus located?
- Leah Mackus's practice location on file with NPPES is 4525 N Ravenswood Ave, Chicago, IL 60640-5201.
- What is Leah Mackus's phone number?
- The practice phone number listed in the NPPES registry for Leah Mackus is (248) 365-4457.
- Is Leah Mackus's NPI active?
- Yes — Leah Mackus's NPI (1386918910) is active in the NPPES registry as of the last update on 2021-09-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.