Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
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Mary Margaret Brereton, LCSW

Individual provider Clinical Social Worker · NPI 1457579948

Mary Margaret Brereton, LCSW is a Clinical Social Worker in Cranford, New Jersey. Qualified in 2005, 21 years ago. Practices with Lifebulb LLC, a 94-clinician group, accepts Medicare assignment and offers telehealth. Licensed in New Jersey and New York.

Years since qualifying
21
Licensed in
NJ, NY
In the registry since
2007
Specialties on file
2
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

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Practice location Address checks out

113 Lincoln Ave E
Cranford, NJ 07016-2820 Not confirmed with CMS for 13 years — call before visiting
Phone: (973) 580-5653
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 44SC05382800 (NJ)
Clinical Social Worker Taxonomy 1041C0700X · Licence 077219-1 (NY)

Record details

NPI number1457579948
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorYes
NPI enumeratedApril 23, 2007
Last updated in NPPESMay 31, 2013

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 2005 (21 years in practice)
Group practice Lifebulb Llc — 94 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Colleagues at Lifebulb LLC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 94 clinicians in the practice; 12 are shown here.

Other providers in Cranford