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

Jen Ziefert, LMHC, ATR

Individual provider Mental Health Counselor · NPI 1285183228

Jen Ziefert, LMHC, ATR is a Mental Health Counselor in Watertown, Massachusetts. Practices as a sole proprietor and works from 2 locations. Licensed in Massachusetts.

Licensed in
MA
In the registry since
2016
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

440 Arsenal St
Watertown, MA 02472-2898
Phone: (917) 612-7605
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 4 Summit Ave, Brookline, MA 02446-2365 — (917) 612-7605

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X · Licence 9143 (MA)

Record details

NPI number1285183228
Entity typeIndividual (Type 1)
GenderFemale
Credentials LMHC , ATR
Sole proprietorYes
NPI enumeratedOctober 3, 2016
Last updated in NPPESMarch 17, 2018

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