Mary Margaret Brereton, LCSW
Clinical Social Worker · Cranford, NJ
Mary Margaret Brereton, LCSW is a clinical social worker with a practice address in Cranford, New Jersey, and NPI 1457579948, issued on Apr 23, 2007. Check the license (New Jersey 44SC05382800, as entered in NPPES) with the New Jersey board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary Margaret Brereton
- Credential
- LCSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License numbers
- 44SC05382800 NJ
077219-1 NY
Self-reported in NPPES; status is on the state search - Practice location
- 113 Lincoln Ave E, Cranford, NJ 07016
- Phone
- (973) 580-5653
- Enumerated
- Apr 23, 2007
- Record last updated
- May 31, 2013 (not updated in 13 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20250109000598); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 9,790 in New Jersey → Look up another NPI →
Verify Mary Margaret Brereton 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 44SC05382800Check 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
- Lifebulb LLCToms River, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary Margaret Brereton among 9,790 clinical social worker records in New Jersey
Mary Margaret Brereton, 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 2007, is newer than 11% of them.
- NPI issued2007 · 11% of these records are older, 75% newer
- In a Medicare fileYes · 12% of these records are
- In the CMS Doctors and Clinicians fileYes · 22% of these records are
- Graduated2005 · median 2006 among the 2,147 with a school on file
- Record last updated2013 · 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).
44 clinical social worker records list a practice address in Cranford
They are 44 of the 515 NPPES records with a practice address in Cranford, and 9,790 clinical social worker records in New Jersey.
All 9,790 in New Jersey → Every provider in Cranford → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Michael Barmak, LCSWCranford, NJ 070161154458495
- Veronica Bearison, MSW, LCSWCranford, NJ 070161750421715
- Lily Freier, LCSWCranford, NJ 070161417140781
- Carla Gagliano, LCSWCranford, NJ 070161033261805
- Ralph Karker, MSW, LCSWCranford, NJ 070161851479398
- Trina Lewin, M.S.W.Cranford, NJ 070161487874251
- Debra Martelli, LCSWCranford, NJ 070161932318904
- Kecia Melvin, LCSWCranford, NJ 070161518179290
Common questions
What is Mary Margaret Brereton, LCSW's NPI number?
Mary Margaret Brereton, LCSW's National Provider Identifier (NPI) is 1457579948, issued on Apr 23, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mary Margaret Brereton, LCSW located?
The NPPES record lists a practice address at 113 Lincoln Ave E, Cranford, NJ, 07016. Phone: (973) 580-5653. Providers update this record themselves, so call before visiting.
How can I verify Mary Margaret Brereton, LCSW's license?
NPPES lists New Jersey license number 44SC05382800, 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.