Leo Lyon, LCSW
NPI 1942045182 · Clinical Social Worker · Chicago, IL
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Leo Lyon, LCSW is a Clinical Social Worker provider in Chicago, IL (NPI 1942045182).
Provider details
- NPI number
- 1942045182
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Male
- Sole proprietor
- No
- License
- 149.027386 (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
1 yr 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
- 2024-06-28
- Last updated
- 2024-06-28
- Certified
- 2024-06-28
Frequently asked questions
- What is Leo Lyon's NPI number?
- Leo Lyon's National Provider Identifier (NPI) is 1942045182, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leo Lyon's specialty?
- Leo Lyon is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Leo Lyon located?
- Leo Lyon's practice location on file with NPPES is 5215 N California Ave Ste F101, Chicago, IL 60625-0035.
- What is Leo Lyon's phone number?
- The practice phone number listed in the NPPES registry for Leo Lyon is (773) 561-5809.
- Does Leo Lyon accept Medicare?
- Leo Lyon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Leo Lyon's NPI active?
- Yes — Leo Lyon's NPI (1942045182) is active in the NPPES registry as of the last update on 2024-06-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.