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

Marshall B Johnson, LMSW

Individual provider Social Worker · NPI 1740572130

Marshall B Johnson, LMSW is a Social Worker in Cortland, New York. Licensed in New York. Registered with an NPI since 2011.

Licensed in
NY
In the registry since
2011
What do these letters mean?
LMSW — Licensed Master Social Worker
A master's-level social worker, usually practising under supervision.

See every abbreviation used in this directory →

Practice location Address checks out

7 Clayton Ave
Cortland, NY 13045-2501
Phone: (607) 758-6110
Fax: (607) 758-3770
Show map & directions

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

Specialties & licences

Social Worker (primary) Taxonomy 104100000X · Licence 07854 (NY)

Record details

NPI number1740572130
Entity typeIndividual (Type 1)
GenderMale
Credentials LMSW
Sole proprietorNo
NPI enumeratedMay 4, 2011
Last updated in NPPESMay 4, 2011

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