Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Marielle Johnson, LCSW

Individual provider Social Worker · NPI 1821512260

Marielle Johnson, LCSW is a Clinical Social Worker in Hamden, Connecticut. Qualified in 2017, 9 years ago. Practices with New Leaf Counseling Center LLC, a 3-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Connecticut.

Years since qualifying
9
Licensed in
CT
In the registry since
2017
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.

See every abbreviation used in this directory →

Practice location Address checks out

375 Mather St Ste 1
Hamden, CT 06514-3101
Phone: (203) 601-2775
Fax: (203) 601-2775
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 010590 (CT)
Social Worker Taxonomy 104100000X

Record details

NPI number1821512260
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorNo
NPI enumeratedJuly 27, 2017
Last updated in NPPESMarch 2, 2026
Certification dateMarch 2, 2026

Medicare enrollment

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

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 2017 (9 years in practice)
Group practice New Leaf Counseling Center Llc — 3 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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