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

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