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
Mailing address511 New London Tpke, Norwich, CT 06360-6552

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