Hadas Mavashev, LSW
Social Worker · Maywood, NJ
Hadas Mavashev, LSW is a social worker with a practice address in Maywood, New Jersey, and NPI 1447910435, issued on Dec 18, 2021. Check the license (New Jersey 44SL06703200, as entered in NPPES) with the New Jersey board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Hadas Mavashev
- Credential
- LSW
- Primary taxonomy
- Social Worker 104100000X
- License number
- 44SL06703200 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 240 W Passaic St Ste 10, Maywood, NJ 07607
- Phone
- (908) 228-2740
- Enumerated
- Dec 18, 2021
- Record last updated
- Dec 18, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20250527002144); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest social worker records → All 4,242 in New Jersey → Look up another NPI →
Also registered at 240 W Passaic St Ste 10
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joseph HammondSocial Worker1295519973
Verify Hadas Mavashev in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New Jersey board licenses this profession
Search for license 44SL06703200Check 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 one group practice
- David Helfgott Psyd LLCWestfield, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hadas Mavashev among 4,242 social worker records in New Jersey
Hadas Mavashev, LSW is one of 4,242 social worker records with a practice address in New Jersey. 5% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 44% of them.
- NPI issued2021 · 44% of these records are older, 48% newer
- In a Medicare fileYes · 5% of these records are
- In the CMS Doctors and Clinicians fileYes · 8% of these records are
- Graduated2021 · median 2015 among the 319 with a school on file
- Record last updated2021 · 43% 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 Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
3 social worker records list a practice address in Maywood
They are 3 of the 155 NPPES records with a practice address in Maywood, and 4,242 social worker records in New Jersey.
All 4,242 in New Jersey → Every provider in Maywood → Social Worker nationwide →
The 8 social worker records with the nearest ZIP codes
- Melissa Giuliano, LMSWMaywood, NJ 076071831990282
- Joseph HammondMaywood, NJ 076071295519973
- Christopher Bsales, LSWTeterboro, NJ 076081801478987
- Grazyna GawrylukTeterboro, NJ 076081699200360
- Tara Smith, LSWTeterboro, NJ 076081881258499
- Tara TimponeNorth Haledon, NJ 076081467987131
- Sara WolbertTeterboro, NJ 076081619550647
- Gabriella Antoniello, LSWHasbrouck Heights, NJ 076041992318471
Common questions
What is Hadas Mavashev, LSW's NPI number?
Hadas Mavashev, LSW's National Provider Identifier (NPI) is 1447910435, issued on Dec 18, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Hadas Mavashev, LSW located?
The NPPES record lists a practice address at 240 W Passaic St Ste 10, Maywood, NJ, 07607. Phone: (908) 228-2740. Providers update this record themselves, so call before visiting.
How can I verify Hadas Mavashev, LSW's license?
NPPES lists New Jersey license number 44SL06703200, as entered by the provider. Search the New Jersey 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.