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Leslie Herzik, LCSW
NPI 1528007911 · Clinical Social Worker · New York, NY
Leslie Herzik, LCSW is a Clinical Social Worker provider in New York, NY (NPI 1528007911).
Provider details
- NPI number
- 1528007911
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- No
- License
- 070492-1 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
85 5th Ave
Suite 921
New York, NY 10003-3019
Phone: (917) 710-1872
Street-level locationGet directions
Mailing address
235 E 10th St
New York, NY 10003-7606
Registry dates
- Enumerated
- 2006-06-04
- Last updated
- 2007-07-16
Frequently asked questions
- What is Leslie Herzik's NPI number?
- Leslie Herzik's National Provider Identifier (NPI) is 1528007911, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leslie Herzik's specialty?
- Leslie Herzik is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Leslie Herzik located?
- Leslie Herzik's practice location on file with NPPES is 85 5th Ave, New York, NY 10003-3019.
- What is Leslie Herzik's phone number?
- The practice phone number listed in the NPPES registry for Leslie Herzik is (917) 710-1872.
- Is Leslie Herzik's NPI active?
- Yes — Leslie Herzik's NPI (1528007911) is active in the NPPES registry as of the last update on 2007-07-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.