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

Mitchell Kossak, LMHC

Individual provider Mental Health Counselor · NPI 1598971160

Mitchell Kossak, LMHC is a Mental Health Counselor in Watertown, Massachusetts. Practices as a sole proprietor. Licensed in Massachusetts.

Licensed in
MA
In the registry since
2007
What do these letters mean?
LMHC — Licensed Mental Health Counselor
A licensed mental health counsellor; the title used in Florida, New York and Washington among others.

See every abbreviation used in this directory →

Practice location Address checks out

22 Mount Auburn St
Watertown, MA 02472-3992
Phone: (617) 926-3221
Show map & directions

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

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X · Licence 573 (MA)

Record details

NPI number1598971160
Entity typeIndividual (Type 1)
GenderMale
Credentials LMHC
Sole proprietorYes
NPI enumeratedMay 14, 2007
Last updated in NPPESJuly 8, 2007
Mailing address22 Mount Auburn St, Watertown, MA 02472-3992

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