Lillian Sobel, LCSW
NPI 1588903520 · Clinical Social Worker · Arlington, VA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lillian Sobel, LCSW is a Clinical Social Worker provider in Arlington, VA (NPI 1588903520).
Provider details
- NPI number
- 1588903520
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- 0904008139 (VA)
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
13 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
- 2013-02-12
- Last updated
- 2013-02-12
Frequently asked questions
- What is Lillian Sobel's NPI number?
- Lillian Sobel's National Provider Identifier (NPI) is 1588903520, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lillian Sobel's specialty?
- Lillian Sobel is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Lillian Sobel located?
- Lillian Sobel's practice location on file with NPPES is 2100 Washignton Blvd, Arlington, VA 22204.
- What is Lillian Sobel's phone number?
- The practice phone number listed in the NPPES registry for Lillian Sobel is (703) 228-1755.
- Does Lillian Sobel accept Medicare?
- Lillian Sobel is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lillian Sobel's NPI active?
- Yes — Lillian Sobel's NPI (1588903520) is active in the NPPES registry as of the last update on 2013-02-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.