Leon Back, LICSW
NPI 1720558745 · Clinical Social Worker · Providence, RI
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Leon Back, LICSW is a Clinical Social Worker provider in Providence, RI (NPI 1720558745).
Provider details
- NPI number
- 1720558745
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LICSW
- Sex
- Male
- Sole proprietor
- No
- License
- ISW03876 (RI)
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
7 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
- 2018-12-03
- Last updated
- 2024-04-04
- Certified
- 2024-04-04
Frequently asked questions
- What is Leon Back's NPI number?
- Leon Back's National Provider Identifier (NPI) is 1720558745, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leon Back's specialty?
- Leon Back is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Leon Back located?
- Leon Back's practice location on file with NPPES is 78 Baker St, Providence, RI 02905-4417.
- What is Leon Back's phone number?
- The practice phone number listed in the NPPES registry for Leon Back is (401) 781-2400.
- Does Leon Back accept Medicare?
- Leon Back is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Leon Back's NPI active?
- Yes — Leon Back's NPI (1720558745) is active in the NPPES registry as of the last update on 2024-04-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.