Isabelle Zwick
NPI 1023789211 · Clinical Social Worker · Brooklyn, NY
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Isabelle Zwick is a Clinical Social Worker provider in Brooklyn, NY (NPI 1023789211).
Provider details
- NPI number
- 1023789211
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- 113813 (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
4 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
- 2021-09-27
- Last updated
- 2021-09-27
- Certified
- 2021-09-27
Frequently asked questions
- What is Isabelle Zwick's NPI number?
- Isabelle Zwick's National Provider Identifier (NPI) is 1023789211, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Isabelle Zwick's specialty?
- Isabelle Zwick is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Isabelle Zwick located?
- Isabelle Zwick's practice location on file with NPPES is 514 49th St, Brooklyn, NY 11220-2010.
- What is Isabelle Zwick's phone number?
- The practice phone number listed in the NPPES registry for Isabelle Zwick is (718) 431-2600.
- Does Isabelle Zwick accept Medicare?
- Isabelle Zwick is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Isabelle Zwick's NPI active?
- Yes — Isabelle Zwick's NPI (1023789211) is active in the NPPES registry as of the last update on 2021-09-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.