Leonard Kushner
Social Worker · Brooklyn, NY
Leonard Kushner is a social worker with a practice address in Brooklyn, New York, and NPI 1619426210, issued on Sep 25, 2016. Check the license with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Leonard Kushner
- Primary taxonomy
- Social Worker 104100000X
- Practice location
- 4111 18TH Ave, Brooklyn, NY 11218
- Phone
- (718) 875-6900
- Enumerated
- Sep 25, 2016
- Record last updated
- Sep 25, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (347) 462-3088
- Medicare enrollment
- Enrolled (PECOS I20211221002112); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest social worker records → All 23,561 in New York → Look up another NPI →
Also registered at 4111 18TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Fay BrezelMental Health Counselor1477945301
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Verify Leonard Kushner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through 2 group practices
- Pesach Tikvah Hope Development IncBrooklyn, NY
- Sentinel Services Group IncSpring Valley, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Leonard Kushner among 23,561 social worker records in New York
Leonard Kushner is one of 23,561 social worker records with a practice address in New York. 3% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 30% of them.
- NPI issued2016 · 30% of these records are older, 66% newer
- In a Medicare fileYes · 3% of these records are
- In the CMS Doctors and Clinicians fileYes · 5% of these records are
- Graduated2017 · median 2013 among the 1,177 with a school on file
- Record last updated2016 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 104100000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
3,662 social worker records list a practice address in Brooklyn
They are 3,662 of the 64,057 NPPES records with a practice address in Brooklyn, and 23,561 social worker records in New York.
All 23,561 in New York → Every provider in Brooklyn → Social Worker nationwide →
The 8 social worker records with the nearest ZIP codes
- Julia AlboresBrooklyn, NY 112181821035098
- Chaim Biberfeld, LMSWBrooklyn, NY 112181710090949
- Mary Ann Cappellino, LCSWBrooklyn, NY 112181225270481
- Nachman Chopp, LMSWBrooklyn, NY 112181245597863
- Shifra DeutschBrooklyn, NY 112181528213873
- Linda Eber, LCSWBrooklyn, NY 112181467402891
- Michelle Garber, LCSWBrooklyn, NY 112181396050704
- Tzippy Levy, LCSWBrooklyn, NY 112181265457626
Common questions
What is Leonard Kushner's NPI number?
Leonard Kushner's National Provider Identifier (NPI) is 1619426210, issued on Sep 25, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Leonard Kushner located?
The NPPES record lists a practice address at 4111 18TH Ave, Brooklyn, NY, 11218. Phone: (718) 875-6900. Providers update this record themselves, so call before visiting.
How can I verify Leonard Kushner's license?
Search the New York board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.