Alexandra Sobieraj, LCSW
NPI 1689138026 · Clinical Social Worker · Brooklyn, NY
Alexandra Sobieraj, LCSW is a Clinical Social Worker provider in Brooklyn, NY (NPI 1689138026).
Provider details
- NPI number
- 1689138026
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- 093468-01 (NY)
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
- 2019-01-30
- Last updated
- 2022-10-31
- Certified
- 2022-10-31
Frequently asked questions
- What is Alexandra Sobieraj's NPI number?
- Alexandra Sobieraj's National Provider Identifier (NPI) is 1689138026, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alexandra Sobieraj's specialty?
- Alexandra Sobieraj is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Alexandra Sobieraj located?
- Alexandra Sobieraj's practice location on file with NPPES is 156 Lefferts Pl Apt 2, Brooklyn, NY 11238-2909.
- What is Alexandra Sobieraj's phone number?
- The practice phone number listed in the NPPES registry for Alexandra Sobieraj is (510) 424-3068.
- Is Alexandra Sobieraj's NPI active?
- Yes — Alexandra Sobieraj's NPI (1689138026) is active in the NPPES registry as of the last update on 2022-10-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.