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

Mr. John Thomas Markham, LICSW

Individual provider Clinical Social Worker · NPI 1053405035

Mr. John Thomas Markham, LICSW is a Clinical Social Worker in Leominster, Massachusetts. Practices as a sole proprietor. Licensed in Massachusetts.

Licensed in
MA
In the registry since
2006
What do these letters mean?
LICSW — Licensed Independent Clinical Social Worker
The title some states use for an independently practising clinical social worker.

See every abbreviation used in this directory →

Practice location Address checks out

1205 Central St
Leominster, MA 01453-5903
Phone: (978) 537-1835
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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 107028 (MA)

Record details

NPI number1053405035
Entity typeIndividual (Type 1)
GenderMale
Credentials LICSW
Sole proprietorYes
NPI enumeratedOctober 3, 2006
Last updated in NPPESJuly 8, 2007
Mailing address15 1st St, Winchendon, MA 01475-2311

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