NPPES file of Aug 9, 2026

Lawrence Greenstein, LCSW

Clinical Social Worker · Trenton, NJ

Lawrence Greenstein, LCSW is a clinical social worker with a practice address in Trenton, New Jersey, and NPI 1447688635, issued on Oct 24, 2013. Check the license (New Jersey 44SC05586900, as entered in NPPES) with the New Jersey board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1447688635
Name
Lawrence Greenstein
Credential
LCSW
Primary taxonomy
Clinical Social Worker 1041C0700X
License number
44SC05586900 NJ
Self-reported in NPPES; status is on the state search
Practice location
635 S Clinton Ave, Trenton, NJ 08611
Phone
(609) 508-0638
Enumerated
Oct 24, 2013
Record last updated
Jan 29, 2026
Medicare enrollment
Enrolled (PECOS I20230323000096); accepts Medicare assignment
Medical or professional school
Rutgers New Jersey Medical School, 2011
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest clinical social worker records → All 9,790 in New Jersey → Look up another NPI →

Also registered at 635 S Clinton Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Grace AlforsCounselor1528930237
  2. Teresita CarrasquilloDoula1558958132
  3. Sharon CerverizzoCounselor1376496406
  4. Silvia Corado-DiazDoula1083201537
  5. Sandra De La Nube Cuenca, DOULADoula1871305474
  6. Gianna Desantis, LSWClinical Social Worker1780411322

Verify Lawrence Greenstein in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New Jersey board licenses this profession
    Search for license 44SC05586900    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the New Jersey license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Arc Mercer IncHamilton, NJ

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Lawrence Greenstein among 9,790 clinical social worker records in New Jersey

Lawrence Greenstein, LCSW is one of 9,790 clinical social worker records with a practice address in New Jersey. 12% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 41% of them.

  • NPI issued2013 · 41% of these records are older, 54% newer
  • In a Medicare fileYes · 12% of these records are
  • In the CMS Doctors and Clinicians fileYes · 22% of these records are
  • Graduated2011 · median 2006 among the 2,147 with a school on file
  • Record last updated2026 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

63 clinical social worker records list a practice address in Trenton

They are 63 of the 1,480 NPPES records with a practice address in Trenton, and 9,790 clinical social worker records in New Jersey.

All 9,790 in New Jersey → Every provider in Trenton → Clinical Social Worker nationwide →

The 8 clinical social worker records with the nearest ZIP codes

  1. Gianna Desantis, LSWTrenton, NJ 086111780411322
  2. Francesca Dorvilas, LCSWTrenton, NJ 086111346917390
  3. Nancy Goldsmith, LCSWTrenton, NJ 086111558797175
  4. Hilary Herbold, LCSWTrenton, NJ 086111942598578
  5. Dolores Ijames Bryant, MSWTrenton, NJ 086111346133246
  6. Megan McCrea, LCSWTrenton, NJ 086111780337188
  7. Laura Brooks, LCSWHamilton, NJ 086101841692613
  8. Marissa Gibbons, LCSWTrenton, NJ 086101548686298

Common questions

What is Lawrence Greenstein, LCSW's NPI number?

Lawrence Greenstein, LCSW's National Provider Identifier (NPI) is 1447688635, issued on Oct 24, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Lawrence Greenstein, LCSW located?

The NPPES record lists a practice address at 635 S Clinton Ave, Trenton, NJ, 08611. Phone: (609) 508-0638. Providers update this record themselves, so call before visiting.

How can I verify Lawrence Greenstein, LCSW's license?

NPPES lists New Jersey license number 44SC05586900, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.