David Lewis, LCSW
NPI 1740517267 · Clinical Social Worker · Chicago, IL
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Lewis, LCSW is a Clinical Social Worker provider in Chicago, IL (NPI 1740517267).
Provider details
- NPI number
- 1740517267
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Male
- Sole proprietor
- Yes
- License
- 149014032 (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
16 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
- 2009-11-04
- Last updated
- 2021-05-08
- Certified
- 2021-05-08
Frequently asked questions
- What is David Lewis's NPI number?
- David Lewis's National Provider Identifier (NPI) is 1740517267, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Lewis's specialty?
- David Lewis is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is David Lewis located?
- David Lewis's practice location on file with NPPES is 1658 N Milwaukee Ave, Chicago, IL 60647-6905.
- What is David Lewis's phone number?
- The practice phone number listed in the NPPES registry for David Lewis is (321) 219-4136.
- Does David Lewis accept Medicare?
- David Lewis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Lewis's NPI active?
- Yes — David Lewis's NPI (1740517267) is active in the NPPES registry as of the last update on 2021-05-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.