Esther Marcus, LCSW
NPI 1730437104 · Clinical Social Worker · Brooklyn, NY
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Esther Marcus, LCSW is a Clinical Social Worker provider in Brooklyn, NY (NPI 1730437104).
Provider details
- NPI number
- 1730437104
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Mental Health Counselor101YM0800X
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
83% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 1551 E 32nd StBrooklyn, NY 11234-3403Phone: (347) 286-1042Fax: (718) 787-4422
Registry dates
- Enumerated
- 2012-08-16
- Last updated
- 2020-11-02
- Certified
- 2020-11-02
Frequently asked questions
- What is Esther Marcus's NPI number?
- Esther Marcus's National Provider Identifier (NPI) is 1730437104, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Esther Marcus's specialty?
- Esther Marcus is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Esther Marcus located?
- Esther Marcus's practice location on file with NPPES is 247 Prospect Ave Ste P, Brooklyn, NY 11215-8451.
- What is Esther Marcus's phone number?
- The practice phone number listed in the NPPES registry for Esther Marcus is (347) 286-1042.
- Does Esther Marcus accept Medicare?
- Esther Marcus is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Esther Marcus's NPI active?
- Yes — Esther Marcus's NPI (1730437104) is active in the NPPES registry as of the last update on 2020-11-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.