Estefania Diaz, LCSW
NPI 1659675239 · Clinical Social Worker · New York, NY
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Estefania Diaz, LCSW is a Clinical Social Worker provider in New York, NY (NPI 1659675239).
Provider details
- NPI number
- 1659675239
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- No
- License
- 082198-1 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
15 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
- 2010-12-22
- Last updated
- 2016-05-31
Frequently asked questions
- What is Estefania Diaz's NPI number?
- Estefania Diaz's National Provider Identifier (NPI) is 1659675239, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Estefania Diaz's specialty?
- Estefania Diaz is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Estefania Diaz located?
- Estefania Diaz's practice location on file with NPPES is 622 W 168th St # Vc4-E, New York, NY 10032-3720.
- What is Estefania Diaz's phone number?
- The practice phone number listed in the NPPES registry for Estefania Diaz is (212) 305-7259.
- Does Estefania Diaz accept Medicare?
- Estefania Diaz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Estefania Diaz's NPI active?
- Yes — Estefania Diaz's NPI (1659675239) is active in the NPPES registry as of the last update on 2016-05-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.