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Leslee Sumner, LCSW
NPI 1306404439 · Clinical Social Worker · New York, NY
Leslee Sumner, LCSW is a Clinical Social Worker provider in New York, NY (NPI 1306404439).
Provider details
- NPI number
- 1306404439
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(59/100 index)
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
83% 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
347 W 37th St
New York, NY 10018-4202
Phone: (646) 245-6614
Street-level locationGet directions
Mailing address
18 Morningside Ave Apt 7
New York, NY 10026-2395
Registry dates
- Enumerated
- 2019-06-04
- Last updated
- 2019-06-04
Frequently asked questions
- What is Leslee Sumner's NPI number?
- Leslee Sumner's National Provider Identifier (NPI) is 1306404439, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leslee Sumner's specialty?
- Leslee Sumner is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Leslee Sumner located?
- Leslee Sumner's practice location on file with NPPES is 347 W 37th St, New York, NY 10018-4202.
- What is Leslee Sumner's phone number?
- The practice phone number listed in the NPPES registry for Leslee Sumner is (646) 245-6614.
- Is Leslee Sumner's NPI active?
- Yes — Leslee Sumner's NPI (1306404439) is active in the NPPES registry as of the last update on 2019-06-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.