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

Mark Johnson, LCSW

Individual provider Clinical Social Worker · NPI 1275686453

Mark Johnson, LCSW is a Clinical Social Worker in Norwich, Connecticut. Licensed in Connecticut. Registered with an NPI since 2007.

Licensed in
CT
In the registry since
2007
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

511 New London Tpke
Norwich, CT 06360-6552
Phone: (860) 886-9324
Fax: (860) 886-6182
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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 005699 (CT)

Record details

NPI number1275686453
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW
Sole proprietorNo
NPI enumeratedJanuary 19, 2007
Last updated in NPPESJuly 8, 2007

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