Todd Lazar
NPI 1639664873 · Clinical Social Worker · Chicago, IL
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Todd Lazar is a Clinical Social Worker provider in Chicago, IL (NPI 1639664873).
Provider details
- NPI number
- 1639664873
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 149018280
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
8 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 455 E Main StEast Dundee, IL 60118-1529Phone: (872) 242-7540
Registry dates
- Enumerated
- 2018-06-29
- Last updated
- 2020-02-24
- Certified
- 2020-02-24
Frequently asked questions
- What is Todd Lazar's NPI number?
- Todd Lazar's National Provider Identifier (NPI) is 1639664873, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Todd Lazar's specialty?
- Todd Lazar is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Todd Lazar located?
- Todd Lazar's practice location on file with NPPES is 2858 W Diversey Ave, Chicago, IL 60647-1871.
- What is Todd Lazar's phone number?
- The practice phone number listed in the NPPES registry for Todd Lazar is (312) 925-6366.
- Does Todd Lazar accept Medicare?
- Todd Lazar is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Todd Lazar's NPI active?
- Yes — Todd Lazar's NPI (1639664873) is active in the NPPES registry as of the last update on 2020-02-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.